HEADER    PROTEIN TRANSPORT/IMMUNE SYSTEM         11-JUN-19   6PA0              
TITLE     STRUCTURE OF THE G77A MUTANT IN SODIUM CHLORIDE                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANTIBODY HEAVY FRAGMENT;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 MOL_ID: 2;                                                           
COMPND   5 MOLECULE: ANTIBODY LIGHT FRAGMENT;                                   
COMPND   6 CHAIN: B;                                                            
COMPND   7 MOL_ID: 3;                                                           
COMPND   8 MOLECULE: PH-GATED POTASSIUM CHANNEL KCSA;                           
COMPND   9 CHAIN: C;                                                            
COMPND  10 SYNONYM: STREPTOMYCES LIVIDANS K+ CHANNEL,SKC1;                      
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_TAXID: 10090;                                               
SOURCE   4 MOL_ID: 2;                                                           
SOURCE   5 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   6 ORGANISM_TAXID: 10090;                                               
SOURCE   7 MOL_ID: 3;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS;                          
SOURCE   9 ORGANISM_TAXID: 1916;                                                
SOURCE  10 GENE: KCSA, SKC1;                                                    
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    POTASSIUM CHANNEL, KCSA, SELECTIVITY, PERMEATION, PROTEIN TRANSPORT,  
KEYWDS   2 PROTEIN TRANSPORT-IMMUNE SYSTEM COMPLEX                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.G.CUELLO,L.GUAN                                                     
REVDAT   6   23-OCT-24 6PA0    1       LINK                                     
REVDAT   5   18-DEC-19 6PA0    1       REMARK                                   
REVDAT   4   11-DEC-19 6PA0    1       REMARK                                   
REVDAT   3   28-AUG-19 6PA0    1       JRNL                                     
REVDAT   2   21-AUG-19 6PA0    1       JRNL                                     
REVDAT   1   07-AUG-19 6PA0    0                                                
JRNL        AUTH   C.TILEGENOVA,D.M.CORTES,N.JAHOVIC,E.HARDY,P.HARIHARAN,       
JRNL        AUTH 2 L.GUAN,L.G.CUELLO                                            
JRNL        TITL   STRUCTURE, FUNCTION, AND ION-BINDING PROPERTIES OF A         
JRNL        TITL 2 K+CHANNEL STABILIZED IN THE 2,4-ION-BOUND CONFIGURATION.     
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 116 16829 2019              
JRNL        REFN                   ESSN 1091-6490                               
JRNL        PMID   31387976                                                     
JRNL        DOI    10.1073/PNAS.1901888116                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (1.15.2_3472: ???)                            
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.66                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 55529                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.233                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 2.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1611                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 10.0000 -  4.6906    0.99     4655   137  0.1735 0.1893        
REMARK   3     2  4.6906 -  3.7241    1.00     4636   138  0.1620 0.1896        
REMARK   3     3  3.7241 -  3.2537    0.99     4539   136  0.1908 0.2440        
REMARK   3     4  3.2537 -  2.9563    1.00     4593   135  0.2086 0.2639        
REMARK   3     5  2.9563 -  2.7445    1.00     4561   135  0.2090 0.2688        
REMARK   3     6  2.7445 -  2.5827    1.00     4559   139  0.2075 0.2774        
REMARK   3     7  2.5827 -  2.4534    1.00     4583   135  0.2172 0.2537        
REMARK   3     8  2.4534 -  2.3466    0.99     4549   136  0.2241 0.2662        
REMARK   3     9  2.3466 -  2.2563    1.00     4551   137  0.2429 0.2775        
REMARK   3    10  2.2563 -  2.1785    0.99     4508   136  0.2592 0.2536        
REMARK   3    11  2.1785 -  2.1104    0.94     4254   127  0.2856 0.3280        
REMARK   3    12  2.1104 -  2.0500    0.86     3930   120  0.3256 0.3718        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.270            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.230           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           4145                                  
REMARK   3   ANGLE     :  0.854           5657                                  
REMARK   3   CHIRALITY :  0.052            649                                  
REMARK   3   PLANARITY :  0.005            714                                  
REMARK   3   DIHEDRAL  :  5.465           2431                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6PA0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUN-19.                  
REMARK 100 THE DEPOSITION ID IS D_1000242190.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-MAY-19                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-3000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 55579                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 34.660                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.9                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.7600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 34.66                    
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 22-26 % PEG400 (V/V), 50 MM MAGNESIUM    
REMARK 280  ACETATE, 50 MM SODIUM ACETATE (PH 4.8.-5.4), VAPOR DIFFUSION,       
REMARK 280  SITTING DROP, TEMPERATURE 294K                                      
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       77.50900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       77.50900            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       38.05100            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       77.50900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       77.50900            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.05100            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       77.50900            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       77.50900            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       38.05100            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       77.50900            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       77.50900            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       38.05100            
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 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: A, B, 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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000        0.00000            
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        0.00000            
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 NA    NA C 302  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 404  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 406  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 414  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 428  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 430  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 433  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 434  LIES ON A SPECIAL POSITION.                          
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     LYS A  23    CG   CD   CE   NZ                                   
REMARK 470     LYS A  63    CG   CD   CE   NZ                                   
REMARK 470     GLN A  65    CG   CD   OE1  NE2                                  
REMARK 470     LYS A  74    CG   CD   CE   NZ                                   
REMARK 470     GLU A  89    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 120    CG   CD   CE   NZ                                   
REMARK 470     GLN A 136    CG   CD   OE1  NE2                                  
REMARK 470     THR A 137    OG1  CG2                                            
REMARK 470     ASN A 138    CG   OD1  ND2                                       
REMARK 470     SER A 165    OG                                                  
REMARK 470     SER A 166    OG                                                  
REMARK 470     SER A 177    OG                                                  
REMARK 470     ASP A 178    CG   OD1  OD2                                       
REMARK 470     ASP A 219    CG   OD1  OD2                                       
REMARK 470     ASN B 212    CG   OD1  ND2                                       
REMARK 470     SER C  22    OG                                                  
REMARK 470     ARG C  27    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG C 117    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG C 122    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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B   379     O    HOH B   389              1.80            
REMARK 500   O    ARG A   218     O    HOH A   401              1.88            
REMARK 500   N    SER C    22     O    HOH C   401              2.02            
REMARK 500   O    SER B   201     O    HOH B   301              2.03            
REMARK 500   NE2  GLN C    58     O    HOH C   402              2.06            
REMARK 500   OE1  GLU A    46     O    HOH A   402              2.06            
REMARK 500   OD2  ASP B   165     O    HOH B   302              2.06            
REMARK 500   O    HOH A   462     O    HOH A   463              2.11            
REMARK 500   O    THR B   178     O    HOH B   303              2.13            
REMARK 500   O    ILE B    55     O    HOH B   304              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH C   416     O    HOH C   429     4555     1.93            
REMARK 500   O    HOH C   424     O    HOH C   427     3555     2.11            
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    SER A  85       70.63     46.48                                   
REMARK 500    ARG A 100       32.94    -81.76                                   
REMARK 500    ASN A 138     -140.86   -111.94                                   
REMARK 500    ALA B  51      -35.59     73.03                                   
REMARK 500    SER B  52       -0.25   -142.08                                   
REMARK 500    SER B  77       74.70     60.82                                   
REMARK 500    ALA B  84      168.86    175.58                                   
REMARK 500    ASP B 170       10.13   -144.48                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH C 437        DISTANCE =  7.72 ANGSTROMS                       
REMARK 525    HOH C 438        DISTANCE =  8.04 ANGSTROMS                       
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                              NA C 302  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR C  75   OG1                                                    
REMARK 620 2 THR C  75   OG1   0.0                                              
REMARK 620 3 HOH C 414   O    90.4  90.4                                        
REMARK 620 4 HOH C 414   O    90.4  90.4   0.0                                  
REMARK 620 5 HOH C 430   O    89.6  89.6 180.0 180.0                            
REMARK 620 6 HOH C 430   O    89.6  89.6 180.0 180.0   0.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue F09 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue DGA C 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NA C 302                  
DBREF  6PA0 A    1   219  PDB    6PA0     6PA0             1    219             
DBREF  6PA0 B    1   212  PDB    6PA0     6PA0             1    212             
DBREF  6PA0 C   22   124  UNP    P0A334   KCSA_STRLI      22    124             
SEQADV 6PA0 ALA C   77  UNP  P0A334    GLY    77 ENGINEERED MUTATION            
SEQADV 6PA0 CYS C   90  UNP  P0A334    LEU    90 ENGINEERED MUTATION            
SEQRES   1 A  219  GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS          
SEQRES   2 A  219  PRO GLY ALA SER VAL LYS LEU SER CYS LYS ALA SER GLY          
SEQRES   3 A  219  TYR THR PHE THR SER ASP TRP ILE HIS TRP VAL LYS GLN          
SEQRES   4 A  219  ARG PRO GLY HIS GLY LEU GLU TRP ILE GLY GLU ILE ILE          
SEQRES   5 A  219  PRO SER TYR GLY ARG ALA ASN TYR ASN GLU LYS ILE GLN          
SEQRES   6 A  219  LYS LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR          
SEQRES   7 A  219  ALA PHE MET GLN LEU SER SER LEU THR SER GLU ASP SER          
SEQRES   8 A  219  ALA VAL TYR TYR CYS ALA ARG GLU ARG GLY ASP GLY TYR          
SEQRES   9 A  219  PHE ALA VAL TRP GLY ALA GLY THR THR VAL THR VAL SER          
SEQRES  10 A  219  SER ALA LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA          
SEQRES  11 A  219  PRO GLY SER ALA ALA GLN THR ASN SER MET VAL THR LEU          
SEQRES  12 A  219  GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR          
SEQRES  13 A  219  VAL THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS          
SEQRES  14 A  219  THR PHE PRO ALA VAL LEU GLN SER ASP LEU TYR THR LEU          
SEQRES  15 A  219  SER SER SER VAL THR VAL PRO SER SER SER TRP PRO SER          
SEQRES  16 A  219  GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA SER SER          
SEQRES  17 A  219  THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ASP                  
SEQRES   1 B  212  ASP ILE LEU LEU THR GLN SER PRO ALA ILE LEU SER VAL          
SEQRES   2 B  212  SER PRO GLY GLU ARG VAL SER PHE SER CYS ARG ALA SER          
SEQRES   3 B  212  GLN SER ILE GLY THR ASP ILE HIS TRP TYR GLN GLN ARG          
SEQRES   4 B  212  THR ASN GLY SER PRO ARG LEU LEU ILE LYS TYR ALA SER          
SEQRES   5 B  212  GLU SER ILE SER GLY ILE PRO SER ARG PHE SER GLY SER          
SEQRES   6 B  212  GLY SER GLY THR ASP PHE THR LEU SER ILE ASN SER VAL          
SEQRES   7 B  212  GLU SER GLU ASP ILE ALA ASN TYR TYR CYS GLN GLN SER          
SEQRES   8 B  212  ASN ARG TRP PRO PHE THR PHE GLY SER GLY THR LYS LEU          
SEQRES   9 B  212  GLU ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE          
SEQRES  10 B  212  PHE PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA          
SEQRES  11 B  212  SER VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP          
SEQRES  12 B  212  ILE ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN          
SEQRES  13 B  212  ASN GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS          
SEQRES  14 B  212  ASP SER THR TYR SER MET SER SER THR LEU THR LEU THR          
SEQRES  15 B  212  LYS ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU          
SEQRES  16 B  212  ALA THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER          
SEQRES  17 B  212  PHE ASN ARG ASN                                              
SEQRES   1 C  103  SER ALA LEU HIS TRP ARG ALA ALA GLY ALA ALA THR VAL          
SEQRES   2 C  103  LEU LEU VAL ILE VAL LEU LEU ALA GLY SER TYR LEU ALA          
SEQRES   3 C  103  VAL LEU ALA GLU ARG GLY ALA PRO GLY ALA GLN LEU ILE          
SEQRES   4 C  103  THR TYR PRO ARG ALA LEU TRP TRP SER VAL GLU THR ALA          
SEQRES   5 C  103  THR THR VAL ALA TYR GLY ASP LEU TYR PRO VAL THR LEU          
SEQRES   6 C  103  TRP GLY ARG CYS VAL ALA VAL VAL VAL MET VAL ALA GLY          
SEQRES   7 C  103  ILE THR SER PHE GLY LEU VAL THR ALA ALA LEU ALA THR          
SEQRES   8 C  103  TRP PHE VAL GLY ARG GLU GLN GLU ARG ARG GLY HIS              
HET    F09  A 301      10                                                       
HET    DGA  C 301      31                                                       
HET     NA  C 302       1                                                       
HETNAM     F09 NONAN-1-OL                                                       
HETNAM     DGA DIACYL GLYCEROL                                                  
HETNAM      NA SODIUM ION                                                       
FORMUL   4  F09    C9 H20 O                                                     
FORMUL   5  DGA    C39 H76 O5                                                   
FORMUL   6   NA    NA 1+                                                        
FORMUL   7  HOH   *229(H2 O)                                                    
HELIX    1 AA1 THR A   87  SER A   91  5                                   5    
HELIX    2 AA2 SER A  161  SER A  163  5                                   3    
HELIX    3 AA3 SER A  191  TRP A  193  5                                   3    
HELIX    4 AA4 PRO A  205  SER A  208  5                                   4    
HELIX    5 AA5 GLU B   79  ILE B   83  5                                   5    
HELIX    6 AA6 SER B  121  THR B  126  1                                   6    
HELIX    7 AA7 LYS B  183  ARG B  188  1                                   6    
HELIX    8 AA8 ALA C   23  ARG C   52  1                                  30    
HELIX    9 AA9 THR C   61  THR C   75  1                                  15    
HELIX   10 AB1 THR C   85  ARG C  122  1                                  38    
SHEET    1 AA1 4 LEU A   4  GLN A   5  0                                        
SHEET    2 AA1 4 VAL A  18  ALA A  24 -1  O  LYS A  23   N  GLN A   5           
SHEET    3 AA1 4 THR A  78  LEU A  83 -1  O  LEU A  83   N  VAL A  18           
SHEET    4 AA1 4 ALA A  68  ASP A  73 -1  N  ASP A  73   O  THR A  78           
SHEET    1 AA2 6 ALA A   9  VAL A  12  0                                        
SHEET    2 AA2 6 THR A 112  VAL A 116  1  O  THR A 115   N  VAL A  12           
SHEET    3 AA2 6 ALA A  92  GLU A  99 -1  N  ALA A  92   O  VAL A 114           
SHEET    4 AA2 6 TRP A  33  GLN A  39 -1  N  HIS A  35   O  ALA A  97           
SHEET    5 AA2 6 GLU A  46  ILE A  51 -1  O  GLU A  46   N  LYS A  38           
SHEET    6 AA2 6 ALA A  58  TYR A  60 -1  O  ASN A  59   N  GLU A  50           
SHEET    1 AA3 4 ALA A   9  VAL A  12  0                                        
SHEET    2 AA3 4 THR A 112  VAL A 116  1  O  THR A 115   N  VAL A  12           
SHEET    3 AA3 4 ALA A  92  GLU A  99 -1  N  ALA A  92   O  VAL A 114           
SHEET    4 AA3 4 PHE A 105  TRP A 108 -1  O  VAL A 107   N  ARG A  98           
SHEET    1 AA4 4 SER A 125  LEU A 129  0                                        
SHEET    2 AA4 4 MET A 140  TYR A 150 -1  O  LYS A 148   N  SER A 125           
SHEET    3 AA4 4 LEU A 179  PRO A 189 -1  O  TYR A 180   N  TYR A 150           
SHEET    4 AA4 4 VAL A 168  THR A 170 -1  N  HIS A 169   O  SER A 185           
SHEET    1 AA5 4 SER A 125  LEU A 129  0                                        
SHEET    2 AA5 4 MET A 140  TYR A 150 -1  O  LYS A 148   N  SER A 125           
SHEET    3 AA5 4 LEU A 179  PRO A 189 -1  O  TYR A 180   N  TYR A 150           
SHEET    4 AA5 4 VAL A 174  GLN A 176 -1  N  GLN A 176   O  LEU A 179           
SHEET    1 AA6 3 THR A 156  TRP A 159  0                                        
SHEET    2 AA6 3 THR A 199  HIS A 204 -1  O  ASN A 201   N  THR A 158           
SHEET    3 AA6 3 THR A 209  LYS A 214 -1  O  THR A 209   N  HIS A 204           
SHEET    1 AA7 4 LEU B   4  THR B   5  0                                        
SHEET    2 AA7 4 VAL B  19  ALA B  25 -1  O  ARG B  24   N  THR B   5           
SHEET    3 AA7 4 ASP B  70  ILE B  75 -1  O  LEU B  73   N  PHE B  21           
SHEET    4 AA7 4 PHE B  62  SER B  67 -1  N  SER B  63   O  SER B  74           
SHEET    1 AA8 6 ILE B  10  VAL B  13  0                                        
SHEET    2 AA8 6 THR B 102  ILE B 106  1  O  GLU B 105   N  LEU B  11           
SHEET    3 AA8 6 ASN B  85  GLN B  90 -1  N  TYR B  86   O  THR B 102           
SHEET    4 AA8 6 ILE B  33  GLN B  38 -1  N  GLN B  38   O  ASN B  85           
SHEET    5 AA8 6 ARG B  45  LYS B  49 -1  O  LEU B  47   N  TRP B  35           
SHEET    6 AA8 6 GLU B  53  SER B  54 -1  O  GLU B  53   N  LYS B  49           
SHEET    1 AA9 4 ILE B  10  VAL B  13  0                                        
SHEET    2 AA9 4 THR B 102  ILE B 106  1  O  GLU B 105   N  LEU B  11           
SHEET    3 AA9 4 ASN B  85  GLN B  90 -1  N  TYR B  86   O  THR B 102           
SHEET    4 AA9 4 THR B  97  PHE B  98 -1  O  THR B  97   N  GLN B  90           
SHEET    1 AB1 4 THR B 114  PHE B 118  0                                        
SHEET    2 AB1 4 GLY B 129  PHE B 139 -1  O  ASN B 137   N  THR B 114           
SHEET    3 AB1 4 TYR B 173  THR B 182 -1  O  MET B 175   N  LEU B 136           
SHEET    4 AB1 4 VAL B 159  TRP B 163 -1  N  SER B 162   O  SER B 176           
SHEET    1 AB2 4 SER B 153  ARG B 155  0                                        
SHEET    2 AB2 4 ILE B 144  ILE B 150 -1  N  ILE B 150   O  SER B 153           
SHEET    3 AB2 4 SER B 191  HIS B 198 -1  O  THR B 197   N  ASN B 145           
SHEET    4 AB2 4 SER B 201  ASN B 210 -1  O  LYS B 207   N  CYS B 194           
SSBOND   1 CYS A   22    CYS A   96                          1555   1555  2.11  
SSBOND   2 CYS B   23    CYS B   88                          1555   1555  2.11  
SSBOND   3 CYS B  134    CYS B  194                          1555   1555  2.00  
LINK         OG1 THR C  75                NA    NA C 302     1555   1555  2.63  
LINK         OG1 THR C  75                NA    NA C 302     1555   2555  2.63  
LINK        NA    NA C 302                 O   HOH C 414     1555   1555  2.56  
LINK        NA    NA C 302                 O   HOH C 414     1555   2555  2.56  
LINK        NA    NA C 302                 O   HOH C 430     1555   1555  2.29  
LINK        NA    NA C 302                 O   HOH C 430     1555   2555  2.29  
CISPEP   1 PHE A  151    PRO A  152          0        -6.42                     
CISPEP   2 GLU A  153    PRO A  154          0        -2.46                     
CISPEP   3 TRP A  193    PRO A  194          0         6.64                     
CISPEP   4 SER B    7    PRO B    8          0         6.40                     
CISPEP   5 TRP B   94    PRO B   95          0        -1.77                     
CISPEP   6 TYR B  140    PRO B  141          0         4.47                     
SITE     1 AC1  2 ARG A  57  TRP C  87                                          
SITE     1 AC2  4 PRO C  63  LEU C  86  ARG C  89  HOH C 420                    
SITE     1 AC3  3 THR C  75  HOH C 414  HOH C 430                               
CRYST1  155.018  155.018   76.102  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      0.006451  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006451  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013140        0.00000