HEADER    MEMBRANE PROTEIN                        02-OCT-03   1R3I              
TITLE     POTASSIUM CHANNEL KCSA-FAB COMPLEX IN RB+                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANTIBODY FAB FRAGMENT LIGHT CHAIN;                         
COMPND   3 CHAIN: L;                                                            
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: ANTIBODY FAB FRAGMENT HEAVY CHAIN;                         
COMPND   6 CHAIN: H;                                                            
COMPND   7 MOL_ID: 3;                                                           
COMPND   8 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL;                           
COMPND   9 CHAIN: C;                                                            
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   7 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   8 ORGANISM_TAXID: 10090;                                               
SOURCE   9 MOL_ID: 3;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS;                          
SOURCE  11 ORGANISM_TAXID: 1916;                                                
SOURCE  12 GENE: KCSA, SKC1, SCO7660, SC10F4.33;                                
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 EXPRESSION_SYSTEM_STRAIN: XL1BLUE;                                   
SOURCE  16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  17 EXPRESSION_SYSTEM_PLASMID: PQE60                                     
KEYWDS    MEMBRANE PROTEIN, POTASSIUM CHANNEL, KCSA-FAB COMPLEX, RUBIDIUM       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.ZHOU,R.MACKINNON                                                    
REVDAT   6   30-OCT-24 1R3I    1       REMARK                                   
REVDAT   5   23-AUG-23 1R3I    1       REMARK                                   
REVDAT   4   27-OCT-21 1R3I    1       REMARK SEQADV LINK                       
REVDAT   3   16-NOV-11 1R3I    1       VERSN  HETATM                            
REVDAT   2   24-FEB-09 1R3I    1       VERSN                                    
REVDAT   1   25-NOV-03 1R3I    0                                                
JRNL        AUTH   Y.ZHOU,R.MACKINNON                                           
JRNL        TITL   THE OCCUPANCY OF IONS IN THE K+ SELECTIVITY FILTER: CHARGE   
JRNL        TITL 2 BALANCE AND COUPLING OF ION BINDING TO A PROTEIN             
JRNL        TITL 3 CONFORMATIONAL CHANGE UNDERLIE HIGH CONDUCTION RATES         
JRNL        REF    J.MOL.BIOL.                   V. 333   965 2003              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   14583193                                                     
JRNL        DOI    10.1016/J.JMB.2003.09.022                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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) : 2.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 33941                          
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) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.236                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1697                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.43                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2360                       
REMARK   3   BIN FREE R VALUE                    : 0.2170                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 1697                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.006                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4017                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 172                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 42.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.30                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.29                            
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) : 0.34                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.32                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.016                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.160                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE OCCUPANCY OF IONS IN THIS MODEL WERE SET TO 1. PLEASE REFER TO  
REMARK   3  THE PRIMARY CITATION                                                
REMARK   3  FOR A DETAILED ANALYSIS OF ION OCCUPANCY.                           
REMARK   4                                                                      
REMARK   4 1R3I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-OCT-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020391.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.4                                
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 111                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRANDEIS - B4                      
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33943                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 3.400                              
REMARK 200  R MERGE                    (I) : 0.07400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1K4C                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 67.91                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG400, SODIUM ACETATE, MAGNESIUM        
REMARK 280  ACETATE, PH 5.4, VAPOR DIFFUSION, SITTING DROP, 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       77.92000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       77.92000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       37.93500            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       77.92000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       77.92000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       37.93500            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       77.92000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       77.92000            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       37.93500            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       77.92000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       77.92000            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       37.93500            
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: HOMO-TETRAMER OF KCSA IS GENERATED BY FOUR FOLD AXIS:        
REMARK 300 X,Y,Z                                                                
REMARK 300 -X,-Y,Z                                                              
REMARK 300 -X,Y,Z                                                               
REMARK 300 X,-Y,Z                                                               
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: DODECAMERIC                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H, C                               
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  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000      311.68000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000      311.68000            
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 -1.000000  0.000000  0.000000      311.68000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000      311.68000            
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 RB    RB C 201  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB C 202  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB C 203  LIES ON A SPECIAL POSITION.                          
REMARK 375 RB    RB C 204  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 C     1                                                      
REMARK 465     ALA C     2                                                      
REMARK 465     PRO C     3                                                      
REMARK 465     MET C     4                                                      
REMARK 465     LEU C     5                                                      
REMARK 465     SER C     6                                                      
REMARK 465     GLY C     7                                                      
REMARK 465     LEU C     8                                                      
REMARK 465     LEU C     9                                                      
REMARK 465     ALA C    10                                                      
REMARK 465     ARG C    11                                                      
REMARK 465     LEU C    12                                                      
REMARK 465     VAL C    13                                                      
REMARK 465     LYS C    14                                                      
REMARK 465     LEU C    15                                                      
REMARK 465     LEU C    16                                                      
REMARK 465     LEU C    17                                                      
REMARK 465     GLY C    18                                                      
REMARK 465     ARG C    19                                                      
REMARK 465     HIS C    20                                                      
REMARK 465     GLY C    21                                                      
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     ASN L 212    CG   OD1  ND2                                       
REMARK 470     LYS H  23    CG   CD   CE   NZ                                   
REMARK 470     LYS H  63    CG   CD   CE   NZ                                   
REMARK 470     GLN H  65    CG   CD   OE1  NE2                                  
REMARK 470     LYS H  74    CG   CD   CE   NZ                                   
REMARK 470     GLU H  89    CG   CD   OE1  OE2                                  
REMARK 470     LYS H 120    CG   CD   CE   NZ                                   
REMARK 470     GLN H 136    CG   CD   OE1  NE2                                  
REMARK 470     THR H 137    OG1  CG2                                            
REMARK 470     ASN H 138    CG   OD1  ND2                                       
REMARK 470     SER H 165    OG                                                  
REMARK 470     SER H 166    OG                                                  
REMARK 470     SER H 177    OG                                                  
REMARK 470     ASP H 178    CG   OD1  OD2                                       
REMARK 470     ASP H 219    CG   OD1  OD2                                       
REMARK 470     SER C  22    OG                                                  
REMARK 470     ARG C 117    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     HIS C 124    CG   ND1  CD2  CE1  NE2                             
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    ALA L  51      -28.49     67.95                                   
REMARK 500    SER L  52       -1.71   -148.53                                   
REMARK 500    SER L  77       72.62     49.63                                   
REMARK 500    ALA L  84     -173.37    178.10                                   
REMARK 500    ASP L 170       10.22   -144.39                                   
REMARK 500    ARG L 188       46.74    -97.61                                   
REMARK 500    ASN L 190      -71.35    -89.66                                   
REMARK 500    LYS L 199      -39.58    -32.95                                   
REMARK 500    VAL H   2      109.87    -40.38                                   
REMARK 500    ALA H  92     -178.93    179.63                                   
REMARK 500    ARG H 100       27.25    -78.92                                   
REMARK 500    ASN H 138     -159.12   -109.01                                   
REMARK 500    PHE H 151      138.36   -171.55                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     DGA C  301                                                       
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                              RB C 202  RB                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR C  75   O                                                      
REMARK 620 2 THR C  75   O    67.7                                              
REMARK 620 3 THR C  75   O    67.3 103.1                                        
REMARK 620 4 THR C  75   O   103.1  67.2  66.9                                  
REMARK 620 5 VAL C  76   O    68.6  78.4 131.1 144.8                            
REMARK 620 6 VAL C  76   O   131.2  68.2 143.5  77.5  83.3                      
REMARK 620 7 VAL C  76   O    78.1 145.2  67.8 129.7  83.4 138.7                
REMARK 620 8 VAL C  76   O   143.9 129.9  77.2  67.4 138.7  82.4  82.4          
REMARK 620 9  RB C 203  RB    51.6  51.9  51.2  51.5 111.4 110.9 110.4 109.9    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              RB C 203  RB                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR C  75   O                                                      
REMARK 620 2 THR C  75   OG1  61.5                                              
REMARK 620 3 THR C  75   OG1 102.9  79.6                                        
REMARK 620 4 THR C  75   O    69.0 105.4  61.1                                  
REMARK 620 5 THR C  75   OG1 106.2  80.1 130.3 168.5                            
REMARK 620 6 THR C  75   O    69.4 103.7 167.8 106.8  61.8                      
REMARK 620 7 THR C  75   OG1 168.0 130.3  79.5 102.8  80.1 106.1                
REMARK 620 8 THR C  75   O   106.8 168.3 105.3  68.9 103.7  69.4  61.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              RB C 201  RB                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY C  77   O                                                      
REMARK 620 2 GLY C  77   O    75.0                                              
REMARK 620 3 GLY C  77   O    74.7 118.7                                        
REMARK 620 4 GLY C  77   O   118.7  75.2  74.9                                  
REMARK 620 5 TYR C  78   O    68.6  79.9 132.4 150.4                            
REMARK 620 6 TYR C  78   O   133.0  68.9 150.0  80.0  76.3                      
REMARK 620 7 TYR C  78   O    79.5 149.8  68.3 132.5  75.9 121.2                
REMARK 620 8 TYR C  78   O   149.4 133.1  79.5  68.7 121.2  76.2  75.9          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              RB C 204  RB                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH C 302   O                                                      
REMARK 620 2 HOH C 302   O    69.9                                              
REMARK 620 3 HOH C 302   O    70.0 108.3                                        
REMARK 620 4 HOH C 302   O   108.3  69.8  69.9                                  
REMARK 620 5 HOH C 306   O    75.9 140.6  76.6 141.7                            
REMARK 620 6 HOH C 306   O   141.6  76.4 140.4  75.6 125.3                      
REMARK 620 7 HOH C 306   O   140.7 141.5  75.8  76.4  77.9  77.7                
REMARK 620 8 HOH C 306   O    76.5  75.7 141.8 140.4  77.9  77.7 125.3          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB C 201                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB C 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB C 203                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DGA C 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F09 H 401                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K4C   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH CONCENTRATION OF K+       
REMARK 900 RELATED ID: 1K4D   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LOW CONCENTRATION OF K+        
REMARK 900 RELATED ID: 1R3J   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH CONCENTRATION OF TL+      
REMARK 900 RELATED ID: 1R3K   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LOW CONCENTRATION OF TL+       
REMARK 900 RELATED ID: 1R3L   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN CS+                            
DBREF  1R3I C    1   124  UNP    P0A334   KCSA_STRLI       1    124             
DBREF  1R3I L    1   212  PDB    1R3I     1R3I             1    212             
DBREF  1R3I H    1   219  PDB    1R3I     1R3I             1    219             
SEQADV 1R3I ALA C    2  UNP  P0A334    PRO     2 ENGINEERED MUTATION            
SEQADV 1R3I CYS C   90  UNP  P0A334    LEU    90 ENGINEERED MUTATION            
SEQRES   1 L  212  ASP ILE LEU LEU THR GLN SER PRO ALA ILE LEU SER VAL          
SEQRES   2 L  212  SER PRO GLY GLU ARG VAL SER PHE SER CYS ARG ALA SER          
SEQRES   3 L  212  GLN SER ILE GLY THR ASP ILE HIS TRP TYR GLN GLN ARG          
SEQRES   4 L  212  THR ASN GLY SER PRO ARG LEU LEU ILE LYS TYR ALA SER          
SEQRES   5 L  212  GLU SER ILE SER GLY ILE PRO SER ARG PHE SER GLY SER          
SEQRES   6 L  212  GLY SER GLY THR ASP PHE THR LEU SER ILE ASN SER VAL          
SEQRES   7 L  212  GLU SER GLU ASP ILE ALA ASN TYR TYR CYS GLN GLN SER          
SEQRES   8 L  212  ASN ARG TRP PRO PHE THR PHE GLY SER GLY THR LYS LEU          
SEQRES   9 L  212  GLU ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE          
SEQRES  10 L  212  PHE PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA          
SEQRES  11 L  212  SER VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP          
SEQRES  12 L  212  ILE ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN          
SEQRES  13 L  212  ASN GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS          
SEQRES  14 L  212  ASP SER THR TYR SER MET SER SER THR LEU THR LEU THR          
SEQRES  15 L  212  LYS ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU          
SEQRES  16 L  212  ALA THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER          
SEQRES  17 L  212  PHE ASN ARG ASN                                              
SEQRES   1 H  219  GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS          
SEQRES   2 H  219  PRO GLY ALA SER VAL LYS LEU SER CYS LYS ALA SER GLY          
SEQRES   3 H  219  TYR THR PHE THR SER ASP TRP ILE HIS TRP VAL LYS GLN          
SEQRES   4 H  219  ARG PRO GLY HIS GLY LEU GLU TRP ILE GLY GLU ILE ILE          
SEQRES   5 H  219  PRO SER TYR GLY ARG ALA ASN TYR ASN GLU LYS ILE GLN          
SEQRES   6 H  219  LYS LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 H  219  ALA PHE MET GLN LEU SER SER LEU THR SER GLU ASP SER          
SEQRES   8 H  219  ALA VAL TYR TYR CYS ALA ARG GLU ARG GLY ASP GLY TYR          
SEQRES   9 H  219  PHE ALA VAL TRP GLY ALA GLY THR THR VAL THR VAL SER          
SEQRES  10 H  219  SER ALA LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA          
SEQRES  11 H  219  PRO GLY SER ALA ALA GLN THR ASN SER MET VAL THR LEU          
SEQRES  12 H  219  GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR          
SEQRES  13 H  219  VAL THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS          
SEQRES  14 H  219  THR PHE PRO ALA VAL LEU GLN SER ASP LEU TYR THR LEU          
SEQRES  15 H  219  SER SER SER VAL THR VAL PRO SER SER SER TRP PRO SER          
SEQRES  16 H  219  GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA SER SER          
SEQRES  17 H  219  THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ASP                  
SEQRES   1 C  124  MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL          
SEQRES   2 C  124  LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP          
SEQRES   3 C  124  ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL          
SEQRES   4 C  124  LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG          
SEQRES   5 C  124  GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA          
SEQRES   6 C  124  LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR          
SEQRES   7 C  124  GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL          
SEQRES   8 C  124  ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY          
SEQRES   9 C  124  LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG          
SEQRES  10 C  124  GLU GLN GLU ARG ARG GLY HIS                                  
HET    F09  H 401      10                                                       
HET     RB  C 201       1                                                       
HET     RB  C 202       1                                                       
HET     RB  C 203       1                                                       
HET     RB  C 204       1                                                       
HET    DGA  C 301      31                                                       
HETNAM     F09 NONAN-1-OL                                                       
HETNAM      RB RUBIDIUM ION                                                     
HETNAM     DGA DIACYL GLYCEROL                                                  
FORMUL   4  F09    C9 H20 O                                                     
FORMUL   5   RB    4(RB 1+)                                                     
FORMUL   9  DGA    C39 H76 O5                                                   
FORMUL  10  HOH   *172(H2 O)                                                    
HELIX    1   1 GLU L   79  ILE L   83  5                                   5    
HELIX    2   2 SER L  121  THR L  126  1                                   6    
HELIX    3   3 LYS L  183  ARG L  188  1                                   6    
HELIX    4   4 THR H   87  SER H   91  5                                   5    
HELIX    5   5 SER H  191  TRP H  193  5                                   3    
HELIX    6   6 PRO H  205  SER H  208  5                                   4    
HELIX    7   7 ALA C   23  ARG C   52  1                                  30    
HELIX    8   8 THR C   61  THR C   74  1                                  14    
HELIX    9   9 THR C   85  ARG C  121  1                                  37    
SHEET    1   A 4 LEU L   4  THR L   5  0                                        
SHEET    2   A 4 VAL L  19  ALA L  25 -1  O  ARG L  24   N  THR L   5           
SHEET    3   A 4 ASP L  70  ILE L  75 -1  O  LEU L  73   N  PHE L  21           
SHEET    4   A 4 PHE L  62  SER L  67 -1  N  SER L  63   O  SER L  74           
SHEET    1   B 5 ILE L  10  VAL L  13  0                                        
SHEET    2   B 5 THR L 102  ILE L 106  1  O  GLU L 105   N  VAL L  13           
SHEET    3   B 5 ASN L  85  GLN L  90 -1  N  TYR L  86   O  THR L 102           
SHEET    4   B 5 ILE L  33  GLN L  38 -1  N  TYR L  36   O  TYR L  87           
SHEET    5   B 5 ARG L  45  ILE L  48 -1  O  LEU L  47   N  TRP L  35           
SHEET    1   C 4 ILE L  10  VAL L  13  0                                        
SHEET    2   C 4 THR L 102  ILE L 106  1  O  GLU L 105   N  VAL L  13           
SHEET    3   C 4 ASN L  85  GLN L  90 -1  N  TYR L  86   O  THR L 102           
SHEET    4   C 4 THR L  97  PHE L  98 -1  O  THR L  97   N  GLN L  90           
SHEET    1   D 4 THR L 114  PHE L 118  0                                        
SHEET    2   D 4 GLY L 129  PHE L 139 -1  O  VAL L 133   N  PHE L 118           
SHEET    3   D 4 TYR L 173  THR L 182 -1  O  MET L 175   N  LEU L 136           
SHEET    4   D 4 VAL L 159  TRP L 163 -1  N  LEU L 160   O  THR L 178           
SHEET    1   E 4 SER L 153  ARG L 155  0                                        
SHEET    2   E 4 ASN L 145  ILE L 150 -1  N  TRP L 148   O  ARG L 155           
SHEET    3   E 4 SER L 191  THR L 197 -1  O  THR L 197   N  ASN L 145           
SHEET    4   E 4 ILE L 205  ASN L 210 -1  O  ILE L 205   N  ALA L 196           
SHEET    1   F 4 LEU H   4  GLN H   5  0                                        
SHEET    2   F 4 VAL H  18  ALA H  24 -1  O  LYS H  23   N  GLN H   5           
SHEET    3   F 4 THR H  78  LEU H  83 -1  O  ALA H  79   N  CYS H  22           
SHEET    4   F 4 LEU H  70  ASP H  73 -1  N  ASP H  73   O  THR H  78           
SHEET    1   G 6 ALA H   9  VAL H  12  0                                        
SHEET    2   G 6 THR H 112  VAL H 116  1  O  THR H 115   N  VAL H  12           
SHEET    3   G 6 ALA H  92  GLU H  99 -1  N  ALA H  92   O  VAL H 114           
SHEET    4   G 6 TRP H  33  GLN H  39 -1  N  HIS H  35   O  ALA H  97           
SHEET    5   G 6 GLU H  46  ILE H  51 -1  O  GLU H  46   N  LYS H  38           
SHEET    6   G 6 ALA H  58  TYR H  60 -1  O  ASN H  59   N  GLU H  50           
SHEET    1   H 4 ALA H   9  VAL H  12  0                                        
SHEET    2   H 4 THR H 112  VAL H 116  1  O  THR H 115   N  VAL H  12           
SHEET    3   H 4 ALA H  92  GLU H  99 -1  N  ALA H  92   O  VAL H 114           
SHEET    4   H 4 PHE H 105  TRP H 108 -1  O  VAL H 107   N  ARG H  98           
SHEET    1   I 4 SER H 125  LEU H 129  0                                        
SHEET    2   I 4 MET H 140  TYR H 150 -1  O  LEU H 146   N  TYR H 127           
SHEET    3   I 4 TYR H 180  PRO H 189 -1  O  TYR H 180   N  TYR H 150           
SHEET    4   I 4 VAL H 168  THR H 170 -1  N  HIS H 169   O  SER H 185           
SHEET    1   J 4 SER H 125  LEU H 129  0                                        
SHEET    2   J 4 MET H 140  TYR H 150 -1  O  LEU H 146   N  TYR H 127           
SHEET    3   J 4 TYR H 180  PRO H 189 -1  O  TYR H 180   N  TYR H 150           
SHEET    4   J 4 VAL H 174  LEU H 175 -1  N  VAL H 174   O  THR H 181           
SHEET    1   K 3 THR H 156  TRP H 159  0                                        
SHEET    2   K 3 THR H 199  HIS H 204 -1  O  ASN H 201   N  THR H 158           
SHEET    3   K 3 THR H 209  LYS H 214 -1  O  THR H 209   N  HIS H 204           
SSBOND   1 CYS L   23    CYS L   88                          1555   1555  2.74  
SSBOND   2 CYS H   22    CYS H   96                          1555   1555  2.59  
LINK         O   THR C  75                RB    RB C 202     1555   1555  3.13  
LINK         O   THR C  75                RB    RB C 202     4575   1555  3.13  
LINK         O   THR C  75                RB    RB C 202     3755   1555  3.16  
LINK         O   THR C  75                RB    RB C 202     2775   1555  3.16  
LINK         O   THR C  75                RB    RB C 203     1555   1555  3.07  
LINK         OG1 THR C  75                RB    RB C 203     1555   1555  3.03  
LINK         OG1 THR C  75                RB    RB C 203     4575   1555  3.05  
LINK         O   THR C  75                RB    RB C 203     4575   1555  3.09  
LINK         OG1 THR C  75                RB    RB C 203     3755   1555  3.02  
LINK         O   THR C  75                RB    RB C 203     3755   1555  3.05  
LINK         OG1 THR C  75                RB    RB C 203     2775   1555  3.04  
LINK         O   THR C  75                RB    RB C 203     2775   1555  3.07  
LINK         O   VAL C  76                RB    RB C 202     1555   1555  2.88  
LINK         O   VAL C  76                RB    RB C 202     4575   1555  2.91  
LINK         O   VAL C  76                RB    RB C 202     3755   1555  2.91  
LINK         O   VAL C  76                RB    RB C 202     2775   1555  2.94  
LINK         O   GLY C  77                RB    RB C 201     1555   1555  3.10  
LINK         O   GLY C  77                RB    RB C 201     4575   1555  3.09  
LINK         O   GLY C  77                RB    RB C 201     3755   1555  3.11  
LINK         O   GLY C  77                RB    RB C 201     2775   1555  3.09  
LINK         O   TYR C  78                RB    RB C 201     1555   1555  3.06  
LINK         O   TYR C  78                RB    RB C 201     4575   1555  3.05  
LINK         O   TYR C  78                RB    RB C 201     3755   1555  3.07  
LINK         O   TYR C  78                RB    RB C 201     2775   1555  3.06  
LINK        RB    RB C 202                RB    RB C 203     1555   1555  3.79  
LINK        RB    RB C 202                RB    RB C 203     1555   2775  3.79  
LINK        RB    RB C 202                RB    RB C 203     1555   3755  3.79  
LINK        RB    RB C 202                RB    RB C 203     1555   4575  3.79  
LINK        RB    RB C 204                 O   HOH C 302     1555   1555  3.57  
LINK        RB    RB C 204                 O   HOH C 302     1555   3755  3.58  
LINK        RB    RB C 204                 O   HOH C 302     1555   4575  3.57  
LINK        RB    RB C 204                 O   HOH C 302     1555   2775  3.58  
LINK        RB    RB C 204                 O   HOH C 306     1555   1555  3.60  
LINK        RB    RB C 204                 O   HOH C 306     1555   2775  3.62  
LINK        RB    RB C 204                 O   HOH C 306     1555   4575  3.61  
LINK        RB    RB C 204                 O   HOH C 306     1555   3755  3.61  
CISPEP   1 SER L    7    PRO L    8          0         0.02                     
CISPEP   2 TRP L   94    PRO L   95          0        -0.36                     
CISPEP   3 TYR L  140    PRO L  141          0        -0.03                     
CISPEP   4 PHE H  151    PRO H  152          0        -0.54                     
CISPEP   5 GLU H  153    PRO H  154          0        -0.55                     
CISPEP   6 TRP H  193    PRO H  194          0        -0.21                     
SITE     1 AC1  2 GLY C  77  TYR C  78                                          
SITE     1 AC2  2 THR C  75  VAL C  76                                          
SITE     1 AC3  1 THR C  75                                                     
SITE     1 AC4  7 TYR C  45  PRO C  63  LEU C  86  ARG C  89                    
SITE     2 AC4  7 VAL C  93  HOH C 315  GLU L  53                               
SITE     1 AC5  2 TRP C  87  ARG H  57                                          
CRYST1  155.840  155.840   75.870  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      0.006417  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006417  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013180        0.00000