HEADER    MEMBRANE PROTEIN                        29-FEB-20   6W0J              
TITLE     CLOSED-GATE KCSA INCUBATED IN BACL2/NACL                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FAB HEAVY CHAIN;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: FAB LIGHT CHAIN;                                           
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: PH-GATED POTASSIUM CHANNEL KCSA;                           
COMPND  11 CHAIN: C;                                                            
COMPND  12 SYNONYM: STREPTOMYCES LIVIDANS K+ CHANNEL,SKC1;                      
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_TAXID: 10116;                                               
SOURCE   4 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   8 ORGANISM_TAXID: 10116;                                               
SOURCE   9 EXPRESSION_SYSTEM: HOMO SAPIENS;                                     
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 9606;                                       
SOURCE  11 MOL_ID: 3;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS;                          
SOURCE  13 ORGANISM_TAXID: 1916;                                                
SOURCE  14 GENE: KCSA, SKC1;                                                    
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ION CHANNEL, MEMBRANE PROTEIN                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ROHAIM,L.GONG,J.LI                                                  
REVDAT   5   06-NOV-24 6W0J    1       REMARK                                   
REVDAT   4   11-OCT-23 6W0J    1       REMARK                                   
REVDAT   3   19-AUG-20 6W0J    1       JRNL   LINK                              
REVDAT   2   15-JUL-20 6W0J    1       JRNL                                     
REVDAT   1   08-JUL-20 6W0J    0                                                
JRNL        AUTH   A.ROHAIM,L.GONG,J.LI,H.RUI,L.BLACHOWICZ,B.ROUX               
JRNL        TITL   OPEN AND CLOSED STRUCTURES OF A BARIUM-BLOCKED POTASSIUM     
JRNL        TITL 2 CHANNEL.                                                     
JRNL        REF    J.MOL.BIOL.                   V. 432  4783 2020              
JRNL        REFN                   ESSN 1089-8638                               
JRNL        PMID   32615129                                                     
JRNL        DOI    10.1016/J.JMB.2020.06.012                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.14_3260                                     
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) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 68.61                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.340                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 32018                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.218                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.020                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1606                            
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 68.6120 -  5.5593    1.00     2826   167  0.1927 0.2010        
REMARK   3     2  5.5593 -  4.4128    1.00     2807   141  0.1632 0.1851        
REMARK   3     3  4.4128 -  3.8551    1.00     2754   158  0.1615 0.2076        
REMARK   3     4  3.8551 -  3.5026    1.00     2769   137  0.1748 0.2149        
REMARK   3     5  3.5026 -  3.2516    1.00     2722   155  0.1844 0.2197        
REMARK   3     6  3.2516 -  3.0599    1.00     2767   136  0.2003 0.2245        
REMARK   3     7  3.0599 -  2.9066    1.00     2761   148  0.2050 0.2210        
REMARK   3     8  2.9066 -  2.7801    1.00     2758   129  0.2227 0.2781        
REMARK   3     9  2.7801 -  2.6731    1.00     2737   162  0.2490 0.3011        
REMARK   3    10  2.6731 -  2.5808    1.00     2751   135  0.2580 0.2723        
REMARK   3    11  2.5808 -  2.5001    1.00     2760   138  0.2687 0.2866        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
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)     : 0.280            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.890           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 63.96                          
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      :  0.008           4120                                  
REMARK   3   ANGLE     :  0.957           5635                                  
REMARK   3   CHIRALITY :  0.052            646                                  
REMARK   3   PLANARITY :  0.006            714                                  
REMARK   3   DIHEDRAL  :  3.933           2409                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 3                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ( CHAIN A AND RESID 1:219 )                            
REMARK   3    ORIGIN FOR THE GROUP (A):  134.762  118.507   -6.365              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6632 T22:   0.3905                                     
REMARK   3      T33:   0.5039 T12:  -0.2021                                     
REMARK   3      T13:   0.0128 T23:   0.0494                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.2506 L22:   1.5888                                     
REMARK   3      L33:   3.2187 L12:   1.3789                                     
REMARK   3      L13:  -2.2391 L23:  -1.0244                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.3081 S12:  -0.0128 S13:  -0.5204                       
REMARK   3      S21:  -0.1498 S22:   0.1000 S23:   0.0229                       
REMARK   3      S31:   0.8926 S32:  -0.3673 S33:   0.2836                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: ( CHAIN B AND RESID 1:212 )                            
REMARK   3    ORIGIN FOR THE GROUP (A):  130.537  130.338    5.837              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.4953 T22:   0.5116                                     
REMARK   3      T33:   0.3773 T12:  -0.1535                                     
REMARK   3      T13:   0.0483 T23:   0.0634                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.3419 L22:   1.2808                                     
REMARK   3      L33:   3.1591 L12:   1.0232                                     
REMARK   3      L13:  -1.3339 L23:  -1.4109                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1308 S12:  -0.4601 S13:  -0.1836                       
REMARK   3      S21:   0.3096 S22:  -0.0389 S23:   0.2413                       
REMARK   3      S31:   0.1898 S32:  -0.2839 S33:  -0.0925                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: ( CHAIN C AND RESID 22:124 )                           
REMARK   3    ORIGIN FOR THE GROUP (A):  150.641  146.194  -43.689              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2607 T22:   0.2427                                     
REMARK   3      T33:   0.2253 T12:  -0.0447                                     
REMARK   3      T13:  -0.0071 T23:  -0.0518                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.3764 L22:   2.0414                                     
REMARK   3      L33:   2.8422 L12:  -0.3820                                     
REMARK   3      L13:   0.4280 L23:  -1.1525                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0529 S12:   0.1852 S13:   0.0223                       
REMARK   3      S21:  -0.2494 S22:   0.0025 S23:   0.0371                       
REMARK   3      S31:   0.1556 S32:  -0.1428 S33:   0.0600                       
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 6W0J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-MAR-20.                  
REMARK 100 THE DEPOSITION ID IS D_1000247409.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-DEC-18                          
REMARK 200  TEMPERATURE           (KELVIN) : 98                                 
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 23-ID-D                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0332                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32029                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 68.612                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 9.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.1000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.60                     
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: PHASER                                                
REMARK 200 STARTING MODEL: 1K4C                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 69.51                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20 % PEG 400, 50 MM MAGNESIUM ACETATE,   
REMARK 280  50 MM SODIUM ACETATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290       8555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       78.16450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       78.16450            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       38.17950            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       78.16450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       78.16450            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.17950            
REMARK 290   SMTRY1   7  0.000000 -1.000000  0.000000       78.16450            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       78.16450            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       38.17950            
REMARK 290   SMTRY1   8  0.000000  1.000000  0.000000       78.16450            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000       78.16450            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       38.17950            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC                
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 31440 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 86020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -222.0 KCAL/MOL                       
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      312.65800            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      312.65800            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000      312.65800            
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      312.65800            
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 BA    BA C 201  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 306  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 313  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 314  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH C 323  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     GLN A   1    N                                                   
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 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: 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 C   324     O    HOH C   325              2.03            
REMARK 500   O    HOH B   329     O    HOH B   335              2.03            
REMARK 500   O    HOH A   317     O    HOH A   323              2.04            
REMARK 500   O    HOH B   337     O    HOH B   338              2.14            
REMARK 500   O    HOH B   317     O    HOH B   339              2.16            
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    TYR A  55      -27.25   -156.18                                   
REMARK 500    ARG A 100       32.66    -81.62                                   
REMARK 500    ASN A 138     -144.08    -76.17                                   
REMARK 500    ALA B  51      -34.35     73.79                                   
REMARK 500    SER B  52       -1.65   -141.56                                   
REMARK 500    SER B  77       79.98     49.36                                   
REMARK 500    ALA B  84      170.60    173.76                                   
REMARK 500    ASP B 170       11.60   -142.94                                   
REMARK 500    LEU C  59       59.33    -93.41                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA C 201  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR C  75   O                                                      
REMARK 620 2 THR C  75   OG1  56.6                                              
REMARK 620 3 THR C  75   O     0.0  56.6                                        
REMARK 620 4 THR C  75   OG1  56.6   0.0  56.6                                  
REMARK 620 5 HOH C 314   O    62.6 116.0  62.6 116.0                            
REMARK 620 6 HOH C 314   O    62.6 116.0  62.6 116.0   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 BA C 201                  
DBREF  6W0J A    1   219  PDB    6W0J     6W0J             1    219             
DBREF  6W0J B    1   212  PDB    6W0J     6W0J             1    212             
DBREF  6W0J C   22   124  UNP    P0A334   KCSA_STRLI      22    124             
SEQADV 6W0J 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 GLY 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     BA  C 201       1                                                       
HETNAM      BA BARIUM ION                                                       
FORMUL   4   BA    BA 2+                                                        
FORMUL   5  HOH   *88(H2 O)                                                     
HELIX    1 AA1 THR A   87  SER A   91  5                                   5    
HELIX    2 AA2 SER A  191  TRP A  193  5                                   3    
HELIX    3 AA3 PRO A  205  SER A  208  5                                   4    
HELIX    4 AA4 GLU B   79  ILE B   83  5                                   5    
HELIX    5 AA5 SER B  121  SER B  127  1                                   7    
HELIX    6 AA6 LYS B  183  GLU B  187  1                                   5    
HELIX    7 AA7 ALA C   23  ARG C   52  1                                  30    
HELIX    8 AA8 THR C   61  THR C   74  1                                  14    
HELIX    9 AA9 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  GLN A  39   O  VAL A  93           
SHEET    5 AA2 6 LEU A  45  ILE A  51 -1  O  ILE A  48   N  TRP A  36           
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 VAL A 107  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  VAL A 174   O  THR A 181           
SHEET    1 AA6 3 THR A 156  TRP A 159  0                                        
SHEET    2 AA6 3 THR A 199  HIS A 204 -1  O  ALA A 203   N  THR A 156           
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  PHE B  71   N  CYS B  23           
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  VAL B  13           
SHEET    3 AA8 6 ALA B  84  GLN B  90 -1  N  ALA B  84   O  LEU B 104           
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  VAL B  13           
SHEET    3 AA9 4 ALA B  84  GLN B  90 -1  N  ALA B  84   O  LEU B 104           
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  PHE B 135   N  SER B 116           
SHEET    3 AB1 4 TYR B 173  THR B 182 -1  O  LEU B 181   N  ALA B 130           
SHEET    4 AB1 4 VAL B 159  TRP B 163 -1  N  LEU B 160   O  THR B 178           
SHEET    1 AB2 4 SER B 153  ARG B 155  0                                        
SHEET    2 AB2 4 ASN B 145  ILE B 150 -1  N  ILE B 150   O  SER B 153           
SHEET    3 AB2 4 SER B 191  HIS B 198 -1  O  GLU B 195   N  LYS B 147           
SHEET    4 AB2 4 SER B 201  ASN B 210 -1  O  ILE B 205   N  ALA B 196           
SSBOND   1 CYS A   22    CYS A   96                          1555   1555  2.04  
SSBOND   2 CYS A  145    CYS A  200                          1555   1555  2.04  
SSBOND   3 CYS B   23    CYS B   88                          1555   1555  2.00  
SSBOND   4 CYS B  134    CYS B  194                          1555   1555  2.07  
LINK         O   THR C  75                BA    BA C 201     1555   1555  2.76  
LINK         OG1 THR C  75                BA    BA C 201     1555   1555  3.04  
LINK         O   THR C  75                BA    BA C 201     1555   3755  2.69  
LINK         OG1 THR C  75                BA    BA C 201     1555   3755  2.97  
LINK        BA    BA C 201                 O   HOH C 314     1555   1555  2.83  
LINK        BA    BA C 201                 O   HOH C 314     1555   2775  2.83  
CISPEP   1 PHE A  151    PRO A  152          0        -5.15                     
CISPEP   2 GLU A  153    PRO A  154          0        -0.96                     
CISPEP   3 TRP A  193    PRO A  194          0         3.91                     
CISPEP   4 SER B    7    PRO B    8          0         7.05                     
CISPEP   5 TRP B   94    PRO B   95          0        -2.30                     
CISPEP   6 TYR B  140    PRO B  141          0         0.60                     
SITE     1 AC1  2 THR C  75  HOH C 314                                          
CRYST1  156.329  156.329   76.359  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      0.006397  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006397  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013096        0.00000