HEADER    MEMBRANE PROTEIN                        05-JUL-05   2A79              
TITLE     MAMMALIAN SHAKER KV1.2 POTASSIUM CHANNEL- BETA SUBUNIT COMPLEX        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL BETA-2 SUBUNIT;            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: K+, CHANNEL BETA-2 SUBUNIT, KV-BETA-2;                      
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY A MEMBER 2;      
COMPND   8 CHAIN: B;                                                            
COMPND   9 SYNONYM: VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT KV1.2, RBK2, RCK5,  
COMPND  10 RAK;                                                                 
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MOL_ID: 3;                                                           
COMPND  13 MOLECULE: POLY-UNKNOWN CHAIN;                                        
COMPND  14 CHAIN: C;                                                            
COMPND  15 FRAGMENT: T1-S1 LINKER AND S1 HELIX OF THE KV1.2 CHANNEL;            
COMPND  16 ENGINEERED: YES;                                                     
COMPND  17 OTHER_DETAILS: CHAIN C CONSISTS OF A POLYGLYCINE MODEL FOR THE T1-S1 
COMPND  18 LINKER AND A POLYALANINE MODEL FOR THE S1 HELIX OF KV1.2.;           
COMPND  19 MOL_ID: 4;                                                           
COMPND  20 MOLECULE: POLY-UNKNOWN CHAIN;                                        
COMPND  21 CHAIN: D;                                                            
COMPND  22 FRAGMENT: S3 HELIX OF THE KV1.2 CHANNEL;                             
COMPND  23 ENGINEERED: YES;                                                     
COMPND  24 OTHER_DETAILS: CHAIN D CONSISTS OF A POLYALANINE MODEL FOR THE S3    
COMPND  25 HELIX OF KV1.2.                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 GENE: KCNAB2, CKBETA2, KCNB3;                                        
SOURCE   6 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE  10 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE  11 ORGANISM_TAXID: 10116;                                               
SOURCE  12 GENE: KCNA2;                                                         
SOURCE  13 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE  15 MOL_ID: 3;                                                           
SOURCE  16 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE  17 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE  18 ORGANISM_TAXID: 10116;                                               
SOURCE  19 GENE: KCNA2;                                                         
SOURCE  20 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE  21 EXPRESSION_SYSTEM_TAXID: 4922;                                       
SOURCE  22 MOL_ID: 4;                                                           
SOURCE  23 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE  24 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE  25 ORGANISM_TAXID: 10116;                                               
SOURCE  26 GENE: KCNA2;                                                         
SOURCE  27 EXPRESSION_SYSTEM: PICHIA PASTORIS;                                  
SOURCE  28 EXPRESSION_SYSTEM_TAXID: 4922                                        
KEYWDS    POTASSIUM CHANNEL, VOLTAGE SENSOR, VOLTAGE DEPENDENT, ION CHANNEL,    
KEYWDS   2 SHAKER, MEMBRANE PROTEIN, EUKARYOTIC, KV1.2                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.B.LONG,E.B.CAMPBELL,R.MACKINNON                                     
REVDAT   4   23-AUG-23 2A79    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 2A79    1       VERSN                                    
REVDAT   2   16-AUG-05 2A79    1       JRNL                                     
REVDAT   1   12-JUL-05 2A79    0                                                
JRNL        AUTH   S.B.LONG,E.B.CAMPBELL,R.MACKINNON                            
JRNL        TITL   CRYSTAL STRUCTURE OF A MAMMALIAN VOLTAGE-DEPENDENT SHAKER    
JRNL        TITL 2 FAMILY K+ CHANNEL.                                           
JRNL        REF    SCIENCE                       V. 309   897 2005              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   16002581                                                     
JRNL        DOI    10.1126/SCIENCE.1116269                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.B.LONG,E.B.CAMPBELL,R.MACKINNON                            
REMARK   1  TITL   VOLTAGE SENSOR OF KV1.2: STRUCTURAL BASIS OF                 
REMARK   1  TITL 2 ELECTROMECHANICAL COUPLING                                   
REMARK   1  REF    SCIENCE                                    2005              
REMARK   1  REFN                   ESSN 1095-9203                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.48                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 4165737.460                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 91.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 33343                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1776                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.00                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 79.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2717                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3370                       
REMARK   3   BIN FREE R VALUE                    : 0.3910                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 162                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.031                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4860                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 83                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 60.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 89.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -17.57000                                            
REMARK   3    B22 (A**2) : -17.57000                                            
REMARK   3    B33 (A**2) : 35.14000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.56                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.41                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.67                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 20.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.910                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.840 ; 1.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.490 ; 1.500                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.200 ; 1.500                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 1.910 ; 1.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.30                                                 
REMARK   3   BSOL        : 50.24                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NAP.PAR                                        
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NAP.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: SOME OF THE MISSING RESIDUES LISTED IN    
REMARK   3  REMARK 465 ARE ACTUALLY THE RESIDUES THAT COMPRISE CHAINS C AND     
REMARK   3  D. THE AUTHORS STATE IT IS UNCLEAR HOW TO ALIGN THE RESIDUES OF     
REMARK   3  CHAINS C AND D TO THE SEQUENCE OF CHAIN B, SO EACH STRETCH OF       
REMARK   3  DENSITY ASSIGNED CHAIN IDS C AND D IS LABELLED AS UNK FOR           
REMARK   3  UNKNOWN RESIDUE AND WAS MODELLED IN REFINEMENT AS ALANINE OR        
REMARK   3  GLYCINE.                                                            
REMARK   4                                                                      
REMARK   4 2A79 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033575.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-JUN-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : SI                                 
REMARK 200  OPTICS                         : NSLS X25                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36056                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 2.920                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.47700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1EXB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, POTASSIUM CHLORIDE, TRIS        
REMARK 280  BUFFER, EDTA, DTT, TCEP, PH 8.5, VAPOR DIFFUSION, HANGING DROP,     
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       8555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       56.80250            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       56.80250            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      130.23650            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       56.80250            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       56.80250            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      130.23650            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       56.80250            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       56.80250            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000      130.23650            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       56.80250            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       56.80250            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000      130.23650            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL UNIT IS A TETRAMER FORMED BY APPLYING THE I4  
REMARK 300 CRYSTALLOGRAPHIC SYMMETRY TO THE COORDINATES THAT ARE DEPOSITED.     
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: HEXADECAMERIC                     
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000      227.21000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      227.21000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000      227.21000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000      227.21000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 K      K B 500  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K B 501  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K B 502  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K B 503  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K B 504  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K B 505  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A    35                                                      
REMARK 465     LYS A   362                                                      
REMARK 465     LYS A   363                                                      
REMARK 465     ASP A   364                                                      
REMARK 465     TYR A   365                                                      
REMARK 465     ARG A   366                                                      
REMARK 465     SER A   367                                                      
REMARK 465     MET B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 465     VAL B     3                                                      
REMARK 465     ALA B     4                                                      
REMARK 465     THR B     5                                                      
REMARK 465     GLY B     6                                                      
REMARK 465     ASP B     7                                                      
REMARK 465     PRO B     8                                                      
REMARK 465     VAL B     9                                                      
REMARK 465     ASP B    10                                                      
REMARK 465     GLU B    11                                                      
REMARK 465     ALA B    12                                                      
REMARK 465     ALA B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     LEU B    15                                                      
REMARK 465     PRO B    16                                                      
REMARK 465     GLY B    17                                                      
REMARK 465     HIS B    18                                                      
REMARK 465     PRO B    19                                                      
REMARK 465     GLN B    20                                                      
REMARK 465     ASP B    21                                                      
REMARK 465     THR B    22                                                      
REMARK 465     TYR B    23                                                      
REMARK 465     ASP B    24                                                      
REMARK 465     PRO B    25                                                      
REMARK 465     GLU B    26                                                      
REMARK 465     ALA B    27                                                      
REMARK 465     ASP B    28                                                      
REMARK 465     HIS B    29                                                      
REMARK 465     GLU B    30                                                      
REMARK 465     CYS B    31                                                      
REMARK 465     TYR B   132                                                      
REMARK 465     ILE B   133                                                      
REMARK 465     LYS B   134                                                      
REMARK 465     GLU B   135                                                      
REMARK 465     GLU B   136                                                      
REMARK 465     GLU B   137                                                      
REMARK 465     ARG B   138                                                      
REMARK 465     PRO B   139                                                      
REMARK 465     LEU B   140                                                      
REMARK 465     PRO B   141                                                      
REMARK 465     GLU B   142                                                      
REMARK 465     ASN B   143                                                      
REMARK 465     GLU B   144                                                      
REMARK 465     PHE B   145                                                      
REMARK 465     GLN B   146                                                      
REMARK 465     ARG B   147                                                      
REMARK 465     GLN B   148                                                      
REMARK 465     VAL B   149                                                      
REMARK 465     TRP B   150                                                      
REMARK 465     LEU B   151                                                      
REMARK 465     LEU B   152                                                      
REMARK 465     PHE B   153                                                      
REMARK 465     GLU B   154                                                      
REMARK 465     TYR B   155                                                      
REMARK 465     PRO B   156                                                      
REMARK 465     GLU B   157                                                      
REMARK 465     SER B   158                                                      
REMARK 465     SER B   159                                                      
REMARK 465     GLY B   160                                                      
REMARK 465     PRO B   161                                                      
REMARK 465     ALA B   162                                                      
REMARK 465     ARG B   163                                                      
REMARK 465     ILE B   164                                                      
REMARK 465     ILE B   165                                                      
REMARK 465     ALA B   166                                                      
REMARK 465     ILE B   167                                                      
REMARK 465     VAL B   168                                                      
REMARK 465     SER B   169                                                      
REMARK 465     VAL B   170                                                      
REMARK 465     MET B   171                                                      
REMARK 465     VAL B   172                                                      
REMARK 465     ILE B   173                                                      
REMARK 465     LEU B   174                                                      
REMARK 465     ILE B   175                                                      
REMARK 465     SER B   176                                                      
REMARK 465     ILE B   177                                                      
REMARK 465     VAL B   178                                                      
REMARK 465     SER B   179                                                      
REMARK 465     PHE B   180                                                      
REMARK 465     CYS B   181                                                      
REMARK 465     LEU B   182                                                      
REMARK 465     GLU B   183                                                      
REMARK 465     THR B   184                                                      
REMARK 465     LEU B   185                                                      
REMARK 465     PRO B   186                                                      
REMARK 465     ILE B   187                                                      
REMARK 465     PHE B   188                                                      
REMARK 465     ARG B   189                                                      
REMARK 465     ASP B   190                                                      
REMARK 465     GLU B   191                                                      
REMARK 465     ASN B   192                                                      
REMARK 465     GLU B   193                                                      
REMARK 465     ASP B   194                                                      
REMARK 465     MET B   195                                                      
REMARK 465     HIS B   196                                                      
REMARK 465     GLY B   197                                                      
REMARK 465     GLY B   198                                                      
REMARK 465     GLY B   199                                                      
REMARK 465     VAL B   200                                                      
REMARK 465     THR B   201                                                      
REMARK 465     PHE B   202                                                      
REMARK 465     HIS B   203                                                      
REMARK 465     THR B   204                                                      
REMARK 465     TYR B   205                                                      
REMARK 465     SER B   206                                                      
REMARK 465     ASN B   207                                                      
REMARK 465     SER B   208                                                      
REMARK 465     THR B   209                                                      
REMARK 465     ILE B   210                                                      
REMARK 465     GLY B   211                                                      
REMARK 465     TYR B   212                                                      
REMARK 465     GLN B   213                                                      
REMARK 465     GLN B   214                                                      
REMARK 465     SER B   215                                                      
REMARK 465     THR B   216                                                      
REMARK 465     SER B   217                                                      
REMARK 465     PHE B   218                                                      
REMARK 465     CYS B   244                                                      
REMARK 465     PRO B   245                                                      
REMARK 465     SER B   246                                                      
REMARK 465     LYS B   247                                                      
REMARK 465     ALA B   248                                                      
REMARK 465     GLY B   249                                                      
REMARK 465     PHE B   250                                                      
REMARK 465     PHE B   251                                                      
REMARK 465     THR B   252                                                      
REMARK 465     ASN B   253                                                      
REMARK 465     ILE B   254                                                      
REMARK 465     MET B   255                                                      
REMARK 465     ASN B   256                                                      
REMARK 465     ILE B   257                                                      
REMARK 465     ILE B   258                                                      
REMARK 465     ASP B   259                                                      
REMARK 465     ILE B   260                                                      
REMARK 465     VAL B   261                                                      
REMARK 465     ALA B   262                                                      
REMARK 465     ILE B   263                                                      
REMARK 465     ILE B   264                                                      
REMARK 465     PRO B   265                                                      
REMARK 465     TYR B   266                                                      
REMARK 465     PHE B   267                                                      
REMARK 465     ILE B   268                                                      
REMARK 465     THR B   269                                                      
REMARK 465     LEU B   270                                                      
REMARK 465     GLY B   271                                                      
REMARK 465     THR B   272                                                      
REMARK 465     GLU B   273                                                      
REMARK 465     LEU B   274                                                      
REMARK 465     ALA B   275                                                      
REMARK 465     GLU B   276                                                      
REMARK 465     LYS B   277                                                      
REMARK 465     PRO B   278                                                      
REMARK 465     GLU B   279                                                      
REMARK 465     ASP B   280                                                      
REMARK 465     ALA B   281                                                      
REMARK 465     GLN B   282                                                      
REMARK 465     GLN B   283                                                      
REMARK 465     GLY B   284                                                      
REMARK 465     GLN B   285                                                      
REMARK 465     GLN B   286                                                      
REMARK 465     ALA B   287                                                      
REMARK 465     GLU B   422                                                      
REMARK 465     GLY B   423                                                      
REMARK 465     GLU B   424                                                      
REMARK 465     GLU B   425                                                      
REMARK 465     GLN B   426                                                      
REMARK 465     ALA B   427                                                      
REMARK 465     GLN B   428                                                      
REMARK 465     TYR B   429                                                      
REMARK 465     LEU B   430                                                      
REMARK 465     GLN B   431                                                      
REMARK 465     VAL B   432                                                      
REMARK 465     THR B   433                                                      
REMARK 465     SER B   434                                                      
REMARK 465     CYS B   435                                                      
REMARK 465     PRO B   436                                                      
REMARK 465     LYS B   437                                                      
REMARK 465     ILE B   438                                                      
REMARK 465     PRO B   439                                                      
REMARK 465     SER B   440                                                      
REMARK 465     SER B   441                                                      
REMARK 465     PRO B   442                                                      
REMARK 465     ASP B   443                                                      
REMARK 465     LEU B   444                                                      
REMARK 465     LYS B   445                                                      
REMARK 465     LYS B   446                                                      
REMARK 465     SER B   447                                                      
REMARK 465     ARG B   448                                                      
REMARK 465     SER B   449                                                      
REMARK 465     ALA B   450                                                      
REMARK 465     SER B   451                                                      
REMARK 465     THR B   452                                                      
REMARK 465     ILE B   453                                                      
REMARK 465     SER B   454                                                      
REMARK 465     LYS B   455                                                      
REMARK 465     SER B   456                                                      
REMARK 465     ASP B   457                                                      
REMARK 465     TYR B   458                                                      
REMARK 465     MET B   459                                                      
REMARK 465     GLU B   460                                                      
REMARK 465     ILE B   461                                                      
REMARK 465     GLN B   462                                                      
REMARK 465     GLU B   463                                                      
REMARK 465     GLY B   464                                                      
REMARK 465     VAL B   465                                                      
REMARK 465     ASN B   466                                                      
REMARK 465     ASN B   467                                                      
REMARK 465     SER B   468                                                      
REMARK 465     ASN B   469                                                      
REMARK 465     GLU B   470                                                      
REMARK 465     ASP B   471                                                      
REMARK 465     PHE B   472                                                      
REMARK 465     ARG B   473                                                      
REMARK 465     GLU B   474                                                      
REMARK 465     GLU B   475                                                      
REMARK 465     ASN B   476                                                      
REMARK 465     LEU B   477                                                      
REMARK 465     LYS B   478                                                      
REMARK 465     THR B   479                                                      
REMARK 465     ALA B   480                                                      
REMARK 465     ASN B   481                                                      
REMARK 465     CYS B   482                                                      
REMARK 465     THR B   483                                                      
REMARK 465     LEU B   484                                                      
REMARK 465     ALA B   485                                                      
REMARK 465     ASN B   486                                                      
REMARK 465     THR B   487                                                      
REMARK 465     ASN B   488                                                      
REMARK 465     TYR B   489                                                      
REMARK 465     VAL B   490                                                      
REMARK 465     ASN B   491                                                      
REMARK 465     ILE B   492                                                      
REMARK 465     THR B   493                                                      
REMARK 465     LYS B   494                                                      
REMARK 465     MET B   495                                                      
REMARK 465     LEU B   496                                                      
REMARK 465     THR B   497                                                      
REMARK 465     ASP B   498                                                      
REMARK 465     VAL B   499                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     THR B 219    OG1  CG2                                            
REMARK 470     ASP B 220    CG   OD1  OD2                                       
REMARK 470     PHE B 222    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     VAL B 225    CG1  CG2                                            
REMARK 470     GLU B 226    CG   CD   OE1  OE2                                  
REMARK 470     THR B 227    OG1  CG2                                            
REMARK 470     CYS B 229    SG                                                  
REMARK 470     ILE B 231    CG1  CG2  CD1                                       
REMARK 470     GLU B 236    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 240    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     PHE B 241    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     MET B 288    CG   SD   CE                                        
REMARK 470     SER B 289    OG                                                  
REMARK 470     LEU B 290    CG   CD1  CD2                                       
REMARK 470     ILE B 292    CG1  CG2  CD1                                       
REMARK 470     VAL B 295    CG1  CG2                                            
REMARK 470     LEU B 298    CG   CD1  CD2                                       
REMARK 470     VAL B 299    CG1  CG2                                            
REMARK 470     VAL B 301    CG1  CG2                                            
REMARK 470     ARG B 303    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 306    CG   CD   CE   NZ                                   
REMARK 470     LEU B 307    CG   CD1  CD2                                       
REMARK 470     ARG B 309    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS B 310    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS B 312    CG   CD   CE   NZ                                   
REMARK 470     LYS B 322    CG   CD   CE   NZ                                   
REMARK 470     ARG B 326    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 350    CG   CD   OE1  OE2                                  
REMARK 470     ASP B 352    CG   OD1  OD2                                       
REMARK 470     GLU B 353    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 354    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP B 355    CG   OD1  OD2                                       
REMARK 470     SER B 356    OG                                                  
REMARK 470     GLN B 357    CG   CD   OE1  NE2                                  
REMARK 470     PHE B 358    CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 470     MET B 380    CG   SD   CE                                        
REMARK 470     VAL B 381    CG1  CG2                                            
REMARK 470     HIS B 418    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ARG B 419    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 420    CG   CD   OE1  OE2                                  
REMARK 470     THR B 421    OG1  CG2                                            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO B  55   C   -  N   -  CA  ANGL. DEV. =  10.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    VAL A  58      -37.96     66.83                                   
REMARK 500    THR A  86     -156.54   -143.03                                   
REMARK 500    ALA A  87      142.27   -179.26                                   
REMARK 500    PHE A 120      -52.11    176.97                                   
REMARK 500    ARG A 189       30.38     70.50                                   
REMARK 500    GLN A 221       88.49   -159.39                                   
REMARK 500    VAL A 227      -60.82   -107.64                                   
REMARK 500    ALA A 247       53.38     37.71                                   
REMARK 500    LYS A 254       -2.70    -57.93                                   
REMARK 500    GLU A 315       -5.98    -53.80                                   
REMARK 500    GLU B  33      119.99    -30.99                                   
REMARK 500    PRO B  55      -18.88    -46.21                                   
REMARK 500    ARG B  80     -166.48   -129.49                                   
REMARK 500    PRO B 105      157.43    -46.66                                   
REMARK 500    GLU B 121      -75.40    -54.79                                   
REMARK 500    LEU B 298      -72.70    -82.71                                   
REMARK 500    SER B 324       36.25    -95.62                                   
REMARK 500    GLN B 357       35.58    -88.67                                   
REMARK 500    PRO B 359      -74.32    -65.27                                   
REMARK 500    ALA B 403       46.90    -75.90                                   
REMARK 500    LEU B 404      -60.79   -127.96                                   
REMARK 500    UNK C   2      -53.85    -24.93                                   
REMARK 500    UNK C  22      -11.64     80.67                                   
REMARK 500    UNK C  32       45.21    -99.26                                   
REMARK 500    UNK C  33       22.67   -165.89                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 502   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B 374   O                                                      
REMARK 620 2 THR B 374   O    76.1                                              
REMARK 620 3 THR B 374   O   121.3  76.1                                        
REMARK 620 4 THR B 374   O    76.1 121.3  76.1                                  
REMARK 620 5 VAL B 375   O    72.9  81.0 148.2 135.4                            
REMARK 620 6 VAL B 375   O   148.2 135.4  72.9  81.0 110.9                      
REMARK 620 7 VAL B 375   O    81.0 148.2 135.4  72.9  71.3  71.3                
REMARK 620 8 VAL B 375   O   135.4  72.9  81.0 148.2  71.3  71.3 110.9          
REMARK 620 9   K B 503   K    60.6  60.6  60.6  60.6 124.5 124.5 124.5 124.5    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 503   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B 374   O                                                      
REMARK 620 2 THR B 374   OG1  55.5                                              
REMARK 620 3 THR B 374   OG1 101.1  84.0                                        
REMARK 620 4 THR B 374   O   106.6 162.1 101.2                                  
REMARK 620 5 THR B 374   OG1 162.1 142.4  84.0  55.5                            
REMARK 620 6 THR B 374   O    69.1 101.1 162.1  69.1 101.2                      
REMARK 620 7 THR B 374   OG1 101.2  84.0 142.4 101.1  84.0  55.5                
REMARK 620 8 THR B 374   O    69.1 101.2  55.5  69.1 101.1 106.6 162.1          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 501   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL B 375   O                                                      
REMARK 620 2 VAL B 375   O    78.7                                              
REMARK 620 3 VAL B 375   O   127.6  78.7                                        
REMARK 620 4 VAL B 375   O    78.7 127.6  78.7                                  
REMARK 620 5 GLY B 376   O    69.2 135.0 146.1  76.6                            
REMARK 620 6 GLY B 376   O    76.6  69.2 135.0 146.1  73.2                      
REMARK 620 7 GLY B 376   O   146.1  76.6  69.2 135.0 114.9  73.2                
REMARK 620 8 GLY B 376   O   135.0 146.1  76.6  69.2  73.2 114.9  73.2          
REMARK 620 9   K B 502   K    63.8  63.8  63.8  63.8 122.5 122.5 122.5 122.5    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 500   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY B 376   O                                                      
REMARK 620 2 GLY B 376   O    73.8                                              
REMARK 620 3 GLY B 376   O   116.1  73.8                                        
REMARK 620 4 GLY B 376   O    73.8 116.1  73.8                                  
REMARK 620 5 TYR B 377   O    68.2  75.8 146.1 134.7                            
REMARK 620 6 TYR B 377   O   134.7  68.2  75.8 146.1  79.2                      
REMARK 620 7 TYR B 377   O   146.1 134.7  68.2  75.8 128.6  79.2                
REMARK 620 8 TYR B 377   O    75.8 146.1 134.7  68.2  79.2 128.6  79.2          
REMARK 620 9   K B 501   K    58.1  58.1  58.1  58.1 115.7 115.7 115.7 115.7    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 500                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 501                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 502                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 503                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 1001                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EXB   RELATED DB: PDB                                   
REMARK 900 T1-BETA COMPLEX                                                      
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SEE REMARK 3, OTHER REFINEMENT REMARKS, FOR DETAILS                  
REMARK 999 REGARDING POLY-UNKNOWN CHAINS C AND D AND THEIR                      
REMARK 999 RELATIONSHIP TO CHAIN B.                                             
DBREF  2A79 A   36   367  UNP    P62483   KCAB2_RAT       36    367             
DBREF  2A79 B    1   499  UNP    P63142   KCNA2_RAT        1    499             
DBREF  2A79 C    1    52  PDB    2A79     2A79             1     52             
DBREF  2A79 D    1    21  PDB    2A79     2A79             1     21             
SEQADV 2A79 MET A   35  UNP  P62483              CLONING ARTIFACT               
SEQRES   1 A  333  MET LEU GLN PHE TYR ARG ASN LEU GLY LYS SER GLY LEU          
SEQRES   2 A  333  ARG VAL SER CYS LEU GLY LEU GLY THR TRP VAL THR PHE          
SEQRES   3 A  333  GLY GLY GLN ILE THR ASP GLU MET ALA GLU HIS LEU MET          
SEQRES   4 A  333  THR LEU ALA TYR ASP ASN GLY ILE ASN LEU PHE ASP THR          
SEQRES   5 A  333  ALA GLU VAL TYR ALA ALA GLY LYS ALA GLU VAL VAL LEU          
SEQRES   6 A  333  GLY ASN ILE ILE LYS LYS LYS GLY TRP ARG ARG SER SER          
SEQRES   7 A  333  LEU VAL ILE THR THR LYS ILE PHE TRP GLY GLY LYS ALA          
SEQRES   8 A  333  GLU THR GLU ARG GLY LEU SER ARG LYS HIS ILE ILE GLU          
SEQRES   9 A  333  GLY LEU LYS ALA SER LEU GLU ARG LEU GLN LEU GLU TYR          
SEQRES  10 A  333  VAL ASP VAL VAL PHE ALA ASN ARG PRO ASP PRO ASN THR          
SEQRES  11 A  333  PRO MET GLU GLU THR VAL ARG ALA MET THR HIS VAL ILE          
SEQRES  12 A  333  ASN GLN GLY MET ALA MET TYR TRP GLY THR SER ARG TRP          
SEQRES  13 A  333  SER SER MET GLU ILE MET GLU ALA TYR SER VAL ALA ARG          
SEQRES  14 A  333  GLN PHE ASN LEU ILE PRO PRO ILE CYS GLU GLN ALA GLU          
SEQRES  15 A  333  TYR HIS MET PHE GLN ARG GLU LYS VAL GLU VAL GLN LEU          
SEQRES  16 A  333  PRO GLU LEU PHE HIS LYS ILE GLY VAL GLY ALA MET THR          
SEQRES  17 A  333  TRP SER PRO LEU ALA CYS GLY ILE VAL SER GLY LYS TYR          
SEQRES  18 A  333  ASP SER GLY ILE PRO PRO TYR SER ARG ALA SER LEU LYS          
SEQRES  19 A  333  GLY TYR GLN TRP LEU LYS ASP LYS ILE LEU SER GLU GLU          
SEQRES  20 A  333  GLY ARG ARG GLN GLN ALA LYS LEU LYS GLU LEU GLN ALA          
SEQRES  21 A  333  ILE ALA GLU ARG LEU GLY CYS THR LEU PRO GLN LEU ALA          
SEQRES  22 A  333  ILE ALA TRP CYS LEU ARG ASN GLU GLY VAL SER SER VAL          
SEQRES  23 A  333  LEU LEU GLY ALA SER ASN ALA GLU GLN LEU MET GLU ASN          
SEQRES  24 A  333  ILE GLY ALA ILE GLN VAL LEU PRO LYS LEU SER SER SER          
SEQRES  25 A  333  ILE VAL HIS GLU ILE ASP SER ILE LEU GLY ASN LYS PRO          
SEQRES  26 A  333  TYR SER LYS LYS ASP TYR ARG SER                              
SEQRES   1 B  499  MET THR VAL ALA THR GLY ASP PRO VAL ASP GLU ALA ALA          
SEQRES   2 B  499  ALA LEU PRO GLY HIS PRO GLN ASP THR TYR ASP PRO GLU          
SEQRES   3 B  499  ALA ASP HIS GLU CYS CYS GLU ARG VAL VAL ILE ASN ILE          
SEQRES   4 B  499  SER GLY LEU ARG PHE GLU THR GLN LEU LYS THR LEU ALA          
SEQRES   5 B  499  GLN PHE PRO GLU THR LEU LEU GLY ASP PRO LYS LYS ARG          
SEQRES   6 B  499  MET ARG TYR PHE ASP PRO LEU ARG ASN GLU TYR PHE PHE          
SEQRES   7 B  499  ASP ARG ASN ARG PRO SER PHE ASP ALA ILE LEU TYR TYR          
SEQRES   8 B  499  TYR GLN SER GLY GLY ARG LEU ARG ARG PRO VAL ASN VAL          
SEQRES   9 B  499  PRO LEU ASP ILE PHE SER GLU GLU ILE ARG PHE TYR GLU          
SEQRES  10 B  499  LEU GLY GLU GLU ALA MET GLU MET PHE ARG GLU ASP GLU          
SEQRES  11 B  499  GLY TYR ILE LYS GLU GLU GLU ARG PRO LEU PRO GLU ASN          
SEQRES  12 B  499  GLU PHE GLN ARG GLN VAL TRP LEU LEU PHE GLU TYR PRO          
SEQRES  13 B  499  GLU SER SER GLY PRO ALA ARG ILE ILE ALA ILE VAL SER          
SEQRES  14 B  499  VAL MET VAL ILE LEU ILE SER ILE VAL SER PHE CYS LEU          
SEQRES  15 B  499  GLU THR LEU PRO ILE PHE ARG ASP GLU ASN GLU ASP MET          
SEQRES  16 B  499  HIS GLY GLY GLY VAL THR PHE HIS THR TYR SER ASN SER          
SEQRES  17 B  499  THR ILE GLY TYR GLN GLN SER THR SER PHE THR ASP PRO          
SEQRES  18 B  499  PHE PHE ILE VAL GLU THR LEU CYS ILE ILE TRP PHE SER          
SEQRES  19 B  499  PHE GLU PHE LEU VAL ARG PHE PHE ALA CYS PRO SER LYS          
SEQRES  20 B  499  ALA GLY PHE PHE THR ASN ILE MET ASN ILE ILE ASP ILE          
SEQRES  21 B  499  VAL ALA ILE ILE PRO TYR PHE ILE THR LEU GLY THR GLU          
SEQRES  22 B  499  LEU ALA GLU LYS PRO GLU ASP ALA GLN GLN GLY GLN GLN          
SEQRES  23 B  499  ALA MET SER LEU ALA ILE LEU ARG VAL ILE ARG LEU VAL          
SEQRES  24 B  499  ARG VAL PHE ARG ILE PHE LYS LEU SER ARG HIS SER LYS          
SEQRES  25 B  499  GLY LEU GLN ILE LEU GLY GLN THR LEU LYS ALA SER MET          
SEQRES  26 B  499  ARG GLU LEU GLY LEU LEU ILE PHE PHE LEU PHE ILE GLY          
SEQRES  27 B  499  VAL ILE LEU PHE SER SER ALA VAL TYR PHE ALA GLU ALA          
SEQRES  28 B  499  ASP GLU ARG ASP SER GLN PHE PRO SER ILE PRO ASP ALA          
SEQRES  29 B  499  PHE TRP TRP ALA VAL VAL SER MET THR THR VAL GLY TYR          
SEQRES  30 B  499  GLY ASP MET VAL PRO THR THR ILE GLY GLY LYS ILE VAL          
SEQRES  31 B  499  GLY SER LEU CYS ALA ILE ALA GLY VAL LEU THR ILE ALA          
SEQRES  32 B  499  LEU PRO VAL PRO VAL ILE VAL SER ASN PHE ASN TYR PHE          
SEQRES  33 B  499  TYR HIS ARG GLU THR GLU GLY GLU GLU GLN ALA GLN TYR          
SEQRES  34 B  499  LEU GLN VAL THR SER CYS PRO LYS ILE PRO SER SER PRO          
SEQRES  35 B  499  ASP LEU LYS LYS SER ARG SER ALA SER THR ILE SER LYS          
SEQRES  36 B  499  SER ASP TYR MET GLU ILE GLN GLU GLY VAL ASN ASN SER          
SEQRES  37 B  499  ASN GLU ASP PHE ARG GLU GLU ASN LEU LYS THR ALA ASN          
SEQRES  38 B  499  CYS THR LEU ALA ASN THR ASN TYR VAL ASN ILE THR LYS          
SEQRES  39 B  499  MET LEU THR ASP VAL                                          
SEQRES   1 C   52  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   2 C   52  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   3 C   52  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   4 C   52  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   1 D   21  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   2 D   21  UNK UNK UNK UNK UNK UNK UNK UNK                              
HET    NAP  A1001      48                                                       
HET      K  B 500       1                                                       
HET      K  B 501       1                                                       
HET      K  B 502       1                                                       
HET      K  B 503       1                                                       
HET      K  B 504       1                                                       
HET      K  B 505       1                                                       
HETNAM     NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE                 
HETNAM       K POTASSIUM ION                                                    
HETSYN     NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE                       
FORMUL   5  NAP    C21 H28 N7 O17 P3                                            
FORMUL   6    K    6(K 1+)                                                      
FORMUL  12  HOH   *83(H2 O)                                                     
HELIX    1   1 THR A   65  ASN A   79  1                                  15    
HELIX    2   2 VAL A   89  ALA A   92  5                                   4    
HELIX    3   3 GLY A   93  LYS A  106  1                                  14    
HELIX    4   4 ARG A  109  LEU A  113  5                                   5    
HELIX    5   5 ALA A  125  ARG A  129  5                                   5    
HELIX    6   6 SER A  132  GLN A  148  1                                  17    
HELIX    7   7 PRO A  165  GLN A  179  1                                  15    
HELIX    8   8 SER A  191  ASN A  206  1                                  16    
HELIX    9   9 ARG A  222  VAL A  227  1                                   6    
HELIX   10  10 VAL A  227  GLY A  237  1                                  11    
HELIX   11  11 LEU A  246  GLY A  253  5                                   8    
HELIX   12  12 SER A  263  LEU A  267  5                                   5    
HELIX   13  13 TYR A  270  LEU A  278  1                                   9    
HELIX   14  14 SER A  279  LEU A  299  1                                  21    
HELIX   15  15 THR A  302  ARG A  313  1                                  12    
HELIX   16  16 ASN A  326  GLY A  335  1                                  10    
HELIX   17  17 GLY A  335  LEU A  340  1                                   6    
HELIX   18  18 PRO A  341  LEU A  343  5                                   3    
HELIX   19  19 SER A  344  GLY A  356  1                                  13    
HELIX   20  20 LEU B   48  GLN B   53  1                                   6    
HELIX   21  21 ASP B   61  MET B   66  1                                   6    
HELIX   22  22 ASN B   81  SER B   94  1                                  14    
HELIX   23  23 PRO B  105  TYR B  116  1                                  12    
HELIX   24  24 GLY B  119  GLY B  131  1                                  13    
HELIX   25  25 THR B  219  ALA B  243  1                                  25    
HELIX   26  26 LEU B  290  ARG B  300  1                                  11    
HELIX   27  27 VAL B  301  HIS B  310  5                                  10    
HELIX   28  28 SER B  311  SER B  324  1                                  14    
HELIX   29  29 SER B  324  VAL B  346  1                                  23    
HELIX   30  30 VAL B  346  ALA B  351  1                                   6    
HELIX   31  31 ILE B  361  THR B  373  1                                  13    
HELIX   32  32 THR B  384  ALA B  403  1                                  20    
HELIX   33  33 LEU B  404  THR B  421  1                                  18    
HELIX   34  34 UNK C    3  UNK C   20  1                                  18    
HELIX   35  35 UNK C   22  UNK C   31  1                                  10    
HELIX   36  36 UNK C   33  UNK C   52  1                                  20    
HELIX   37  37 UNK D    1  UNK D   14  1                                  14    
HELIX   38  38 UNK D   14  UNK D   19  1                                   6    
SHEET    1   A 2 TYR A  39  ASN A  41  0                                        
SHEET    2   A 2 ARG A  48  SER A  50 -1  O  VAL A  49   N  ARG A  40           
SHEET    1   B 9 LEU A  52  GLY A  55  0                                        
SHEET    2   B 9 LEU A  83  ALA A  87  1  O  LEU A  83   N  LEU A  54           
SHEET    3   B 9 VAL A 114  ILE A 119  1  O  THR A 116   N  PHE A  84           
SHEET    4   B 9 VAL A 152  ALA A 157  1  O  PHE A 156   N  ILE A 119           
SHEET    5   B 9 ALA A 182  SER A 188  1  O  GLY A 186   N  VAL A 155           
SHEET    6   B 9 CYS A 212  GLN A 214  1  O  GLN A 214   N  THR A 187           
SHEET    7   B 9 GLY A 239  THR A 242  1  O  GLY A 239   N  GLU A 213           
SHEET    8   B 9 VAL A 317  LEU A 322  1  O  LEU A 321   N  THR A 242           
SHEET    9   B 9 LEU A  52  GLY A  55  1  N  GLY A  53   O  LEU A 322           
SHEET    1   C 4 LEU B  42  GLN B  47  0                                        
SHEET    2   C 4 ARG B  34  ILE B  39 -1  N  ILE B  37   O  PHE B  44           
SHEET    3   C 4 GLU B  75  PHE B  78  1  O  TYR B  76   N  ASN B  38           
SHEET    4   C 4 PHE B  69  ASP B  70 -1  N  ASP B  70   O  GLU B  75           
LINK         O   THR B 374                 K     K B 502     1555   1555  2.93  
LINK         O   THR B 374                 K     K B 502     3755   1555  2.93  
LINK         O   THR B 374                 K     K B 502     2775   1555  2.93  
LINK         O   THR B 374                 K     K B 502     4575   1555  2.93  
LINK         O   THR B 374                 K     K B 503     1555   1555  3.18  
LINK         OG1 THR B 374                 K     K B 503     1555   1555  3.15  
LINK         OG1 THR B 374                 K     K B 503     3755   1555  3.15  
LINK         O   THR B 374                 K     K B 503     2775   1555  3.18  
LINK         OG1 THR B 374                 K     K B 503     2775   1555  3.15  
LINK         O   THR B 374                 K     K B 503     4575   1555  3.18  
LINK         OG1 THR B 374                 K     K B 503     4575   1555  3.15  
LINK         O   THR B 374                 K     K B 503     3755   1555  3.18  
LINK         O   VAL B 375                 K     K B 501     1555   1555  3.03  
LINK         O   VAL B 375                 K     K B 501     3755   1555  3.03  
LINK         O   VAL B 375                 K     K B 501     2775   1555  3.03  
LINK         O   VAL B 375                 K     K B 501     4575   1555  3.03  
LINK         O   VAL B 375                 K     K B 502     1555   1555  3.29  
LINK         O   VAL B 375                 K     K B 502     2775   1555  3.29  
LINK         O   VAL B 375                 K     K B 502     4575   1555  3.29  
LINK         O   VAL B 375                 K     K B 502     3755   1555  3.29  
LINK         O   GLY B 376                 K     K B 500     1555   1555  3.17  
LINK         O   GLY B 376                 K     K B 500     3755   1555  3.17  
LINK         O   GLY B 376                 K     K B 500     2775   1555  3.17  
LINK         O   GLY B 376                 K     K B 500     4575   1555  3.17  
LINK         O   GLY B 376                 K     K B 501     1555   1555  3.19  
LINK         O   GLY B 376                 K     K B 501     3755   1555  3.19  
LINK         O   GLY B 376                 K     K B 501     2775   1555  3.19  
LINK         O   GLY B 376                 K     K B 501     4575   1555  3.19  
LINK         O   TYR B 377                 K     K B 500     1555   1555  3.15  
LINK         O   TYR B 377                 K     K B 500     3755   1555  3.15  
LINK         O   TYR B 377                 K     K B 500     2775   1555  3.15  
LINK         O   TYR B 377                 K     K B 500     4575   1555  3.15  
LINK         K     K B 500                 K     K B 501     1555   1555  3.39  
LINK         K     K B 500                 K     K B 501     1555   2775  3.39  
LINK         K     K B 500                 K     K B 501     1555   3755  3.39  
LINK         K     K B 500                 K     K B 501     1555   4575  3.39  
LINK         K     K B 501                 K     K B 502     1555   1555  3.20  
LINK         K     K B 501                 K     K B 502     1555   2775  3.20  
LINK         K     K B 501                 K     K B 502     1555   3755  3.20  
LINK         K     K B 501                 K     K B 502     1555   4575  3.20  
LINK         K     K B 502                 K     K B 503     1555   1555  3.34  
LINK         K     K B 502                 K     K B 503     1555   2775  3.34  
LINK         K     K B 502                 K     K B 503     1555   3755  3.34  
LINK         K     K B 502                 K     K B 503     1555   4575  3.34  
SITE     1 AC1  3 GLY B 376  TYR B 377    K B 501                               
SITE     1 AC2  4 VAL B 375  GLY B 376    K B 500    K B 502                    
SITE     1 AC3  4 THR B 374  VAL B 375    K B 501    K B 503                    
SITE     1 AC4  2 THR B 374    K B 502                                          
SITE     1 AC5 31 GLY A  55  THR A  56  TRP A  57  GLN A  63                    
SITE     2 AC5 31 ASP A  85  TYR A  90  LYS A 118  ASN A 158                    
SITE     3 AC5 31 SER A 188  ARG A 189  GLN A 214  TRP A 243                    
SITE     4 AC5 31 SER A 244  PRO A 245  LEU A 246  ALA A 247                    
SITE     5 AC5 31 CYS A 248  GLY A 249  SER A 252  LYS A 254                    
SITE     6 AC5 31 ARG A 264  LEU A 321  GLY A 323  SER A 325                    
SITE     7 AC5 31 GLN A 329  GLU A 332  ASN A 333  HOH A 530                    
SITE     8 AC5 31 HOH A 547  HOH A 548  HOH A 580                               
CRYST1  113.605  113.605  260.473  90.00  90.00  90.00 I 4           8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008802  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008802  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003839        0.00000