HEADER    HYDROLASE                               10-NOV-09   2WXT              
TITLE     CLOSTRIDIUM PERFRINGENS ALPHA-TOXIN STRAIN NCTC8237                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PHOSPHOLIPASE C;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PLC, PHOSPHATIDYLCHOLINE CHOLINEPHOSPHOHYDROLASE, ALPHA-    
COMPND   5 TOXIN, HEMOLYSIN, LECITHINASE;                                       
COMPND   6 EC: 3.1.4.3;                                                         
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM PERFRINGENS;                        
SOURCE   3 ORGANISM_TAXID: 1502;                                                
SOURCE   4 STRAIN: NCTC8237;                                                    
SOURCE   5 ATCC: 19408;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: JM109;                                    
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PKSA3                                     
KEYWDS    CYTOLYSIS, HYDROLASE, HEMOLYSIS, MEMBRANE BINDING, GANGRENE           
KEYWDS   2 DETERMINANT, C2 DOMAIN, VIRULENCE                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.JUSTIN,C.E.NAYLOR,A.K.BASAK                                         
REVDAT   5   20-DEC-23 2WXT    1       REMARK LINK                              
REVDAT   4   10-APR-19 2WXT    1       SOURCE                                   
REVDAT   3   27-OCT-10 2WXT    1       JRNL                                     
REVDAT   2   29-SEP-10 2WXT    1       KEYWDS JRNL   REMARK MASTER              
REVDAT   1   17-NOV-09 2WXT    0                                                
JRNL        AUTH   S.G.VACHIERI,G.C.CLARK,A.ALAPE-GIRON,M.FLORES-DIAZ,N.JUSTIN, 
JRNL        AUTH 2 C.E.NAYLOR,R.W.TITBALL,A.K.BASAK                             
JRNL        TITL   COMPARISON OF A NONTOXIC VARIANT OF CLOSTRIDIUM PERFRINGENS  
JRNL        TITL 2 [ALPHA]-TOXIN WITH THE TOXIC WILD-TYPE STRAIN                
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  66  1067 2010              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   20944240                                                     
JRNL        DOI    10.1107/S090744491003369X                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.E.NAYLOR,J.T.EATON,A.HOWELLS,N.JUSTIN,D.S.MOSS,            
REMARK   1  AUTH 2 R.W.TITBALL,A.K.BASAK                                        
REMARK   1  TITL   STRUCTURE OF THE KEY TOXIN IN GAS GANGRENE.                  
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   5   738 1998              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   9699639                                                      
REMARK   1  DOI    10.1038/1447                                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.06                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.390                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 25554                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.178                           
REMARK   3   R VALUE            (WORKING SET) : 0.175                           
REMARK   3   FREE R VALUE                     : 0.232                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1378                            
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 29.0647 -  4.3047    0.82     2357   142  0.1927 0.2265        
REMARK   3     2  4.3047 -  3.4185    0.87     2414   113  0.1551 0.2059        
REMARK   3     3  3.4185 -  2.9869    0.88     2392   151  0.1638 0.2370        
REMARK   3     4  2.9869 -  2.7140    0.89     2427   122  0.1700 0.2286        
REMARK   3     5  2.7140 -  2.5196    0.90     2434   139  0.1673 0.2437        
REMARK   3     6  2.5196 -  2.3711    0.90     2411   143  0.1639 0.2523        
REMARK   3     7  2.3711 -  2.2524    0.90     2433   132  0.1656 0.2132        
REMARK   3     8  2.2524 -  2.1544    0.91     2403   160  0.1690 0.2274        
REMARK   3     9  2.1544 -  2.0715    0.91     2460   137  0.1877 0.2672        
REMARK   3    10  2.0715 -  2.0000    0.92     2445   139  0.2159 0.2635        
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              : 0.43                                          
REMARK   3   B_SOL              : 61.25                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.240            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.870           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.15                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.58                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 7.55080                                              
REMARK   3    B22 (A**2) : -4.79140                                             
REMARK   3    B33 (A**2) : -2.75940                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  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      :  0.014           2973                                  
REMARK   3   ANGLE     :  1.346           4021                                  
REMARK   3   CHIRALITY :  0.089            411                                  
REMARK   3   PLANARITY :  0.006            521                                  
REMARK   3   DIHEDRAL  : 17.427           1052                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 1:244                                
REMARK   3    ORIGIN FOR THE GROUP (A):  15.9331  69.0498  38.1608              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0744 T22:   0.0784                                     
REMARK   3      T33:   0.0937 T12:   0.0485                                     
REMARK   3      T13:  -0.0179 T23:  -0.0164                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8452 L22:   2.2034                                     
REMARK   3      L33:   1.6726 L12:  -0.0425                                     
REMARK   3      L13:  -0.2247 L23:  -0.3375                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0480 S12:   0.0232 S13:  -0.0244                       
REMARK   3      S21:  -0.0880 S22:  -0.0762 S23:   0.0604                       
REMARK   3      S31:  -0.1345 S32:  -0.0491 S33:   0.0288                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 245:370                              
REMARK   3    ORIGIN FOR THE GROUP (A):  -5.6520  51.3493  36.9425              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0492 T22:   0.2508                                     
REMARK   3      T33:   0.2303 T12:  -0.0024                                     
REMARK   3      T13:   0.0353 T23:   0.0329                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.5118 L22:   1.5271                                     
REMARK   3      L33:   0.8511 L12:   0.5527                                     
REMARK   3      L13:   0.4868 L23:  -0.0404                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0702 S12:  -0.1967 S13:   0.1432                       
REMARK   3      S21:   0.0170 S22:   0.0136 S23:   0.0442                       
REMARK   3      S31:  -0.0035 S32:  -0.1271 S33:  -0.0607                       
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 2WXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-NOV-09.                  
REMARK 100 THE DEPOSITION ID IS D_1290041677.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-NOV-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : SILICON (111)                      
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25562                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 38.350                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.3                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.11000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.13                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1CA1                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1 M NA ACETATE, 0.1 M NA-HEPES, PH7.6,   
REMARK 280  0.05 M CDSO4                                                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
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       39.76500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       39.76500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       30.09000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       87.18500            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       30.09000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       87.18500            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       39.76500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       30.09000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       87.18500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       39.76500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       30.09000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       87.18500            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 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     ASN A    76                                                      
REMARK 465     ASN A    77                                                      
REMARK 465     PHE A    78                                                      
REMARK 465     SER A    79                                                      
REMARK 465     LYS A    80                                                      
REMARK 465     ASP A    81                                                      
REMARK 465     ASN A    82                                                      
REMARK 465     SER A    83                                                      
REMARK 465     TRP A    84                                                      
REMARK 465     TYR A    85                                                      
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 A  29    CG   OD1  ND2                                       
REMARK 470     ASP A  63    CG   OD1  OD2                                       
REMARK 470     ASP A  75    CA   C    O    CB   CG   OD1  OD2                   
REMARK 470     LYS A 330    CD   CE   NZ                                        
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    ASP A   336     O    SER A   362              2.11            
REMARK 500   O    HOH A  2108     O    HOH A  2109              2.13            
REMARK 500   O    HOH A  2038     O    HOH A  2040              2.18            
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    TRP A  70      119.98   -170.51                                   
REMARK 500    HIS A 207      -33.20   -146.96                                   
REMARK 500    ASP A 336     -176.43    -60.86                                   
REMARK 500    ILE A 357      -71.20   -112.61                                   
REMARK 500    ASN A 364       44.61   -101.01                                   
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                              ZN A1371  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TRP A   1   O                                                      
REMARK 620 2 TRP A   1   N    72.1                                              
REMARK 620 3 HIS A  11   NE2  94.0 109.3                                        
REMARK 620 4 ASP A 130   OD2 168.5  96.7  92.4                                  
REMARK 620 5 HOH A2243   O    93.3 130.6 118.8  92.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1372  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  46   ND1                                                    
REMARK 620 2 GLU A  47   OE2 122.9                                              
REMARK 620 3 GLU A 359   OE1  59.7 131.3                                        
REMARK 620 4 GLU A 359   OE2  99.9  84.2  51.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1373  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  56   OD1                                                    
REMARK 620 2 HIS A  68   ND1  92.1                                              
REMARK 620 3 HIS A 126   NE2  85.6  91.8                                        
REMARK 620 4 ASP A 130   OD1 177.3  90.5  93.5                                  
REMARK 620 5 HOH A2065   O    86.6  88.8 172.3  94.2                            
REMARK 620 6 HOH A2243   O    80.2 165.8  99.4  97.5  78.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1374  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 136   NE2                                                    
REMARK 620 2 HIS A 148   NE2  91.0                                              
REMARK 620 3 GLU A 152   OE1 142.3  89.0                                        
REMARK 620 4 GLU A 152   OE2  91.8  97.2  50.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1375  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 157   OE1                                                    
REMARK 620 2 GLU A 157   OE1  65.1                                              
REMARK 620 3 GLU A 157   OE2 109.8  50.4                                        
REMARK 620 4 GLU A 157   OE2  53.0 118.0 149.7                                  
REMARK 620 5 HOH A2118   O   154.0 140.9  94.5 101.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1376  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY A 168   O                                                      
REMARK 620 2 CYS A 169   SG   79.6                                              
REMARK 620 3 HIS A 207   NE2 177.3  99.0                                        
REMARK 620 4 HOH A2124   O    75.2 113.7 103.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1377  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 169   SG                                                     
REMARK 620 2 GLU A 173   OE2  84.8                                              
REMARK 620 3 GLU A 173   OE1  76.0  56.2                                        
REMARK 620 4 ASP A 216   OD1 101.6  94.4 150.5                                  
REMARK 620 5 HOH A2125   O   100.5 142.1  88.4 120.5                            
REMARK 620 6 HOH A2160   O   164.2  79.7  92.7  82.7  90.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1378  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 173   OE2                                                    
REMARK 620 2 HIS A 212   ND1 166.6                                              
REMARK 620 3 ASP A 216   OD2  83.2 105.0                                        
REMARK 620 4 HOH A2154   O    76.3  91.6  99.8                                  
REMARK 620 5 HOH A2159   O   101.1  73.9 164.2  96.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD A1379  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 241   ND1                                                    
REMARK 620 2 GLU A 245   OE2  93.7                                              
REMARK 620 3 GLU A 245   OE1 108.0  54.9                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1380  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 273   OD2                                                    
REMARK 620 2 ASP A 273   OD1 121.8                                              
REMARK 620 3 ASP A 273   OD1  53.2 119.6                                        
REMARK 620 4 ASN A 297   OD1 108.7 127.2 101.7                                  
REMARK 620 5 HOH A2190   O   112.3  53.9 160.8  95.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A1381  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 293   OD2                                                    
REMARK 620 2 ASP A 293   OD1  49.5                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1371                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1372                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1373                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1374                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1375                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1376                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1377                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1378                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1379                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1380                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1381                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QM6   RELATED DB: PDB                                   
REMARK 900 CLOSED FORM OF C. PERFRINGENS ALPHA-TOXIN STRAIN NCTC8237            
REMARK 900 RELATED ID: 1QMD   RELATED DB: PDB                                   
REMARK 900 CALCIUM BOUND CLOSED FORM ALPHA-TOXIN FROM CLOSTRIDIUM PERFRINGENS   
REMARK 900 RELATED ID: 2WXU   RELATED DB: PDB                                   
REMARK 900 CLOSTRIDIUM PERFRINGENS ALPHA-TOXIN STRAIN NCTC8237 MUTANT T74I      
REMARK 900 RELATED ID: 2WY6   RELATED DB: PDB                                   
REMARK 900 CLOSTRIDIUM PERFRINGENS ALPHA-TOXIN STRAIN NCTC8237 MUTANT T74I      
DBREF  2WXT A    1   370  UNP    Q0TV31   PHLC_CLOP1      29    398             
SEQRES   1 A  370  TRP ASP GLY LYS ILE ASP GLY THR GLY THR HIS ALA MET          
SEQRES   2 A  370  ILE VAL THR GLN GLY VAL SER ILE LEU GLU ASN ASP LEU          
SEQRES   3 A  370  SER LYS ASN GLU PRO GLU SER VAL ARG LYS ASN LEU GLU          
SEQRES   4 A  370  ILE LEU LYS GLU ASN MET HIS GLU LEU GLN LEU GLY SER          
SEQRES   5 A  370  THR TYR PRO ASP TYR ASP LYS ASN ALA TYR ASP LEU TYR          
SEQRES   6 A  370  GLN ASP HIS PHE TRP ASP PRO ASP THR ASP ASN ASN PHE          
SEQRES   7 A  370  SER LYS ASP ASN SER TRP TYR LEU ALA TYR SER ILE PRO          
SEQRES   8 A  370  ASP THR GLY GLU SER GLN ILE ARG LYS PHE SER ALA LEU          
SEQRES   9 A  370  ALA ARG TYR GLU TRP GLN ARG GLY ASN TYR LYS GLN ALA          
SEQRES  10 A  370  THR PHE TYR LEU GLY GLU ALA MET HIS TYR PHE GLY ASP          
SEQRES  11 A  370  ILE ASP THR PRO TYR HIS PRO ALA ASN VAL THR ALA VAL          
SEQRES  12 A  370  ASP SER ALA GLY HIS VAL LYS PHE GLU THR PHE ALA GLU          
SEQRES  13 A  370  GLU ARG LYS GLU GLN TYR LYS ILE ASN THR ALA GLY CYS          
SEQRES  14 A  370  LYS THR ASN GLU ALA PHE TYR THR ASP ILE LEU LYS ASN          
SEQRES  15 A  370  LYS ASP PHE ASN ALA TRP SER LYS GLU TYR ALA ARG GLY          
SEQRES  16 A  370  PHE ALA LYS THR GLY LYS SER ILE TYR TYR SER HIS ALA          
SEQRES  17 A  370  SER MET SER HIS SER TRP ASP ASP TRP ASP TYR ALA ALA          
SEQRES  18 A  370  LYS VAL THR LEU ALA ASN SER GLN LYS GLY THR ALA GLY          
SEQRES  19 A  370  TYR ILE TYR ARG PHE LEU HIS ASP VAL SER GLU GLY ASN          
SEQRES  20 A  370  ASP PRO SER VAL GLY LYS ASN VAL LYS GLU LEU VAL ALA          
SEQRES  21 A  370  TYR ILE SER THR SER GLY GLU LYS ASP ALA GLY THR ASP          
SEQRES  22 A  370  ASP TYR MET TYR PHE GLY ILE LYS THR LYS ASP GLY LYS          
SEQRES  23 A  370  THR GLN GLU TRP GLU MET ASP ASN PRO GLY ASN ASP PHE          
SEQRES  24 A  370  MET THR GLY SER LYS ASP THR TYR THR PHE LYS LEU LYS          
SEQRES  25 A  370  ASP GLU ASN LEU LYS ILE ASP ASP ILE GLN ASN MET TRP          
SEQRES  26 A  370  ILE ARG LYS ARG LYS TYR THR ALA PHE SER ASP ALA TYR          
SEQRES  27 A  370  LYS PRO GLU ASN ILE LYS ILE ILE ALA ASN GLY LYS VAL          
SEQRES  28 A  370  VAL VAL ASP LYS ASP ILE ASN GLU TRP ILE SER GLY ASN          
SEQRES  29 A  370  SER THR TYR ASN ILE LYS                                      
HET     ZN  A1371       1                                                       
HET     CD  A1372       1                                                       
HET     CD  A1373       1                                                       
HET     CD  A1374       1                                                       
HET     CD  A1375       1                                                       
HET     CD  A1376       1                                                       
HET     CD  A1377       1                                                       
HET     CD  A1378       1                                                       
HET     CD  A1379       1                                                       
HET     CA  A1380       1                                                       
HET     CA  A1381       1                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      CD CADMIUM ION                                                      
HETNAM      CA CALCIUM ION                                                      
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   CD    8(CD 2+)                                                     
FORMUL  11   CA    2(CA 2+)                                                     
FORMUL  13  HOH   *243(H2 O)                                                    
HELIX    1   1 GLY A    9  LEU A   26  1                                  18    
HELIX    2   2 PRO A   31  ASN A   44  1                                  14    
HELIX    3   3 ASN A   44  TYR A   54  1                                  11    
HELIX    4   4 PRO A   55  TYR A   57  5                                   3    
HELIX    5   5 TYR A   65  PHE A   69  5                                   5    
HELIX    6   6 THR A   93  ARG A  111  1                                  19    
HELIX    7   7 ASN A  113  ASP A  132  1                                  20    
HELIX    8   8 ALA A  146  ARG A  158  1                                  13    
HELIX    9   9 LYS A  159  LYS A  163  5                                   5    
HELIX   10  10 GLU A  173  ASN A  182  1                                  10    
HELIX   11  11 ASP A  184  HIS A  207  1                                  24    
HELIX   12  12 SER A  213  GLY A  246  1                                  34    
HELIX   13  13 LYS A  317  ASP A  319  5                                   3    
SHEET    1  AA 4 LYS A 304  LYS A 310  0                                        
SHEET    2  AA 4 GLU A 257  THR A 264 -1  O  LEU A 258   N  PHE A 309           
SHEET    3  AA 4 PRO A 340  ALA A 347 -1  N  GLU A 341   O  SER A 263           
SHEET    4  AA 4 LYS A 350  ASP A 356 -1  O  LYS A 350   N  ALA A 347           
SHEET    1  AB 4 THR A 287  GLU A 291  0                                        
SHEET    2  AB 4 TYR A 275  THR A 282 -1  O  PHE A 278   N  TRP A 290           
SHEET    3  AB 4 ILE A 321  ARG A 329 -1  N  GLN A 322   O  LYS A 281           
SHEET    4  AB 4 THR A 366  ASN A 368 -1  O  TYR A 367   N  ILE A 326           
LINK         O   TRP A   1                ZN    ZN A1371     1555   1555  2.30  
LINK         N   TRP A   1                ZN    ZN A1371     1555   1555  2.21  
LINK         NE2 HIS A  11                ZN    ZN A1371     1555   1555  2.07  
LINK         ND1 HIS A  46                CD    CD A1372     1555   1555  2.37  
LINK         OE2 GLU A  47                CD    CD A1372     1555   1555  2.39  
LINK         OD1 ASP A  56                CD    CD A1373     1555   1555  2.46  
LINK         ND1 HIS A  68                CD    CD A1373     1555   1555  2.16  
LINK         NE2 HIS A 126                CD    CD A1373     1555   1555  2.43  
LINK         OD2 ASP A 130                ZN    ZN A1371     1555   1555  2.17  
LINK         OD1 ASP A 130                CD    CD A1373     1555   1555  2.38  
LINK         NE2 HIS A 136                CD    CD A1374     1555   1555  2.31  
LINK         NE2 HIS A 148                CD    CD A1374     1555   1555  2.46  
LINK         OE1 GLU A 152                CD    CD A1374     1555   1555  2.18  
LINK         OE2 GLU A 152                CD    CD A1374     1555   1555  2.71  
LINK         OE1 GLU A 157                CD    CD A1375     1555   1555  2.43  
LINK         OE1 GLU A 157                CD    CD A1375     3655   1555  2.41  
LINK         OE2 GLU A 157                CD    CD A1375     3655   1555  2.72  
LINK         OE2 GLU A 157                CD    CD A1375     1555   1555  2.51  
LINK         O   GLY A 168                CD    CD A1376     1555   1555  2.74  
LINK         SG  CYS A 169                CD    CD A1376     1555   1555  2.58  
LINK         SG  CYS A 169                CD    CD A1377     1555   1555  2.89  
LINK         OE2 GLU A 173                CD    CD A1377     1555   1555  2.28  
LINK         OE1 GLU A 173                CD    CD A1377     1555   1555  2.45  
LINK         OE2 GLU A 173                CD    CD A1378     1555   1555  2.21  
LINK         NE2 HIS A 207                CD    CD A1376     4566   1555  2.43  
LINK         ND1 HIS A 212                CD    CD A1378     4566   1555  2.39  
LINK         OD1 ASP A 216                CD    CD A1377     4566   1555  2.36  
LINK         OD2 ASP A 216                CD    CD A1378     4566   1555  2.38  
LINK         ND1 HIS A 241                CD    CD A1379     1555   1555  2.43  
LINK         OE2 GLU A 245                CD    CD A1379     1555   1555  2.40  
LINK         OE1 GLU A 245                CD    CD A1379     1555   1555  2.35  
LINK         OD2 ASP A 273                CA    CA A1380     3555   1555  2.54  
LINK         OD1 ASP A 273                CA    CA A1380     1555   1555  2.78  
LINK         OD1 ASP A 273                CA    CA A1380     3555   1555  2.50  
LINK         OD2 ASP A 293                CA    CA A1381     1555   1555  2.78  
LINK         OD1 ASP A 293                CA    CA A1381     1555   1555  2.50  
LINK         OD1 ASN A 297                CA    CA A1380     1555   1555  2.16  
LINK         OE1 GLU A 359                CD    CD A1372     8556   1555  2.71  
LINK         OE2 GLU A 359                CD    CD A1372     8556   1555  2.48  
LINK        ZN    ZN A1371                 O   HOH A2243     1555   1555  2.18  
LINK        CD    CD A1373                 O   HOH A2065     1555   1555  2.52  
LINK        CD    CD A1373                 O   HOH A2243     1555   1555  1.95  
LINK        CD    CD A1375                 O   HOH A2118     1555   3655  2.21  
LINK        CD    CD A1376                 O   HOH A2124     1555   1555  2.72  
LINK        CD    CD A1377                 O   HOH A2125     1555   1555  2.79  
LINK        CD    CD A1377                 O   HOH A2160     1555   4566  2.48  
LINK        CD    CD A1378                 O   HOH A2154     1555   4566  2.58  
LINK        CD    CD A1378                 O   HOH A2159     1555   4566  2.65  
LINK        CA    CA A1380                 O   HOH A2190     1555   1555  2.44  
SITE     1 AC1  5 TRP A   1  HIS A  11  ASP A 130   CD A1373                    
SITE     2 AC1  5 HOH A2243                                                     
SITE     1 AC2  3 HIS A  46  GLU A  47  GLU A 359                               
SITE     1 AC3  7 ASP A  56  HIS A  68  HIS A 126  ASP A 130                    
SITE     2 AC3  7  ZN A1371  HOH A2065  HOH A2243                               
SITE     1 AC4  3 HIS A 136  HIS A 148  GLU A 152                               
SITE     1 AC5  2 GLU A 157  HOH A2118                                          
SITE     1 AC6  5 GLY A 168  CYS A 169  HIS A 207  HOH A2124                    
SITE     2 AC6  5 HOH A2156                                                     
SITE     1 AC7  5 CYS A 169  GLU A 173  ASP A 216  HOH A2125                    
SITE     2 AC7  5 HOH A2160                                                     
SITE     1 AC8  5 GLU A 173  HIS A 212  ASP A 216  HOH A2154                    
SITE     2 AC8  5 HOH A2159                                                     
SITE     1 AC9  2 HIS A 241  GLU A 245                                          
SITE     1 BC1  3 ASP A 273  ASN A 297  HOH A2190                               
SITE     1 BC2  1 ASP A 293                                                     
CRYST1   60.180  174.370   79.530  90.00  90.00  90.00 C 2 2 21      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      0.016617  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.005735  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012574        0.00000