HEADER    TOXIN                                   01-JUL-09   3I41              
TITLE     CRYSTAL STRUCTURE OF BETA TOXIN FROM STAPHYLOCOCCUS AUREUS F277A,     
TITLE    2 P278A MUTANT                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-HEMOLYSIN;                                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 35-330;                                       
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE   3 ORGANISM_TAXID: 561307;                                              
SOURCE   4 STRAIN: RN4220;                                                      
SOURCE   5 GENE: HLB;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    BETA TOXIN, HEMOLYSIN, SPHINGOMYELINASE, TOXIN                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.HUSEBY,K.SHI,A.C.KRUSE,D.H.OHLENDORF                                
REVDAT   6   20-NOV-24 3I41    1       REMARK                                   
REVDAT   5   03-APR-24 3I41    1       REMARK                                   
REVDAT   4   13-OCT-21 3I41    1       SEQADV                                   
REVDAT   3   01-NOV-17 3I41    1       REMARK                                   
REVDAT   2   13-JUL-11 3I41    1       VERSN                                    
REVDAT   1   14-JUL-10 3I41    0                                                
JRNL        AUTH   M.HUSEBY,K.SHI,A.C.KRUSE,J.DIGRE,F.MENGISTU,G.A.BOHACH,      
JRNL        AUTH 2 P.S.SCHLIEVERT,D.H.OHLENDORF,C.A.EARHART                     
JRNL        TITL   STRUCTURE AND BIOLOGICAL FUNCTIONS OF BETA TOXIN FROM        
JRNL        TITL 2 STAPHYLOCOCCUS AUREUS: ROLE OF THE HYDROPHOBIC BETA HAIRPIN  
JRNL        TITL 3 IN VIRULENCE                                                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.HUSEBY,K.SHI,C.K.BROWN,J.DIGRE,F.MENGISTU,K.S.SEO,         
REMARK   1  AUTH 2 G.A.BOHACH,P.M.SCHLIEVERT,D.H.OHLENDORF,C.A.EARHART          
REMARK   1  TITL   STRUCTURE AND BIOLOGICAL ACTIVITIES OF BETA TOXIN FROM       
REMARK   1  TITL 2 STAPHYLOCOCCUS AUREUS.                                       
REMARK   1  REF    J.BACTERIOL.                  V. 189  8719 2007              
REMARK   1  REFN                   ISSN 0021-9193                               
REMARK   1  PMID   17873030                                                     
REMARK   1  DOI    10.1128/JB.00741-07                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 26.18                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 51436                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.204                           
REMARK   3   R VALUE            (WORKING SET) : 0.201                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2741                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.75                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.80                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2518                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 63.91                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2620                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 131                          
REMARK   3   BIN FREE R VALUE                    : 0.3240                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4656                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 536                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.150         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.149         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.095         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.887         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.950                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.912                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4775 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  6465 ; 1.563 ; 1.940       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   578 ; 6.863 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   236 ;36.756 ;25.508       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   824 ;15.783 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;11.047 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   672 ; 0.132 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3680 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2335 ; 0.248 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  3236 ; 0.309 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   501 ; 0.183 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):   125 ; 0.403 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    40 ; 0.244 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2964 ; 1.109 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4670 ; 1.805 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2111 ; 2.419 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1795 ; 3.373 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3I41 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000053936.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-08                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0-7.0                            
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.90020                            
REMARK 200  MONOCHROMATOR                  : BENT GE(111)                       
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-3000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54177                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 26.180                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
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: AMORE                                                 
REMARK 200 STARTING MODEL: NATIVE BETA TOXIN                                    
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.96                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, 0.1 M MES, VAPOR DIFFUSION,    
REMARK 280  SITTING DROP, TEMPERATURE 291K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   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       31.58800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       63.92100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       34.33400            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       63.92100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.58800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       34.33400            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: B                                     
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     MET A   -19                                                      
REMARK 465     ARG A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     LYS A     4                                                      
REMARK 465     LYS A     5                                                      
REMARK 465     ASP A     6                                                      
REMARK 465     ASP A     7                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     ARG B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLU B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     LYS B     4                                                      
REMARK 465     LYS B     5                                                      
REMARK 465     ASP B     6                                                      
REMARK 465     ASP B     7                                                      
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     PRO B 238    CG   CD                                             
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   CD   LYS A    62     O    HOH A   568              1.78            
REMARK 500   CD   LYS A   185     O    HOH A   574              1.83            
REMARK 500   O    HOH A   510     O    HOH A   554              1.88            
REMARK 500   CB   LYS A   185     O    HOH A   574              1.95            
REMARK 500   OD2  ASP A   273     OH   TYR A   275              1.98            
REMARK 500   OE1  GLN A    39     O    HOH A   392              2.02            
REMARK 500   O    HOH A   408     O    HOH A   562              2.07            
REMARK 500   O    HOH B   456     O    HOH B   472              2.09            
REMARK 500   CG   LYS A   185     O    HOH A   574              2.12            
REMARK 500   CD   LYS A   172     O    HOH A   474              2.13            
REMARK 500   CB   LYS A    62     O    HOH A   449              2.15            
REMARK 500   OG1  THR B   188     O    HOH B   345              2.19            
REMARK 500   CB   ASP A   163     O    HOH A   358              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NZ   LYS A   111     OE1  GLU A   267     4445     1.78            
REMARK 500   CB   SER A    41     CE   LYS A   111     4545     2.04            
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    MET A  19       67.48   -105.10                                   
REMARK 500    LEU A  78      123.84    -38.52                                   
REMARK 500    CYS A 122     -132.63   -120.85                                   
REMARK 500    ASP A 127       36.32    -92.48                                   
REMARK 500    ASN A 129       40.54    -73.33                                   
REMARK 500    GLU A 154       94.80    -68.36                                   
REMARK 500    ALA A 160      -70.87    -58.02                                   
REMARK 500    GLN A 259       90.29   -163.08                                   
REMARK 500    ALA A 276      101.92   -162.17                                   
REMARK 500    ALA A 277      -17.21   -164.85                                   
REMARK 500    ALA A 278     -148.69     63.21                                   
REMARK 500    ASN A 284       45.01   -142.55                                   
REMARK 500    ASP B 127       46.55    -97.50                                   
REMARK 500    ALA B 160     -100.42     -6.53                                   
REMARK 500    ASN B 239      -59.85    133.82                                   
REMARK 500    LYS B 258      -76.74    -36.40                                   
REMARK 500    ASN B 284       41.67   -143.34                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3I46   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF BETA TOXIN FROM STAPHYLOCOCCUS AUREUS F277A,    
REMARK 900 P278A MUTANT WITH BOUND CALCIUM IONS                                 
REMARK 900 RELATED ID: 3I48   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF BETA TOXIN FROM STAPHYLOCOCCUS AUREUS F277A,    
REMARK 900 P278A MUTANT WITH BOUND MAGNESIUM IONS                               
REMARK 900 RELATED ID: 3I5V   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF BETA TOXIN DELETION MUTANT 275-280 FROM         
REMARK 900 STAPHYLOCOCCUS AUREUS                                                
DBREF  3I41 A    2   297  UNP    A7LAI8   A7LAI8_STAAU    35    330             
DBREF  3I41 B    2   297  UNP    A7LAI8   A7LAI8_STAAU    35    330             
SEQADV 3I41 MET A  -19  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ARG A  -18  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER A  -17  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER A  -16  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -15  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -14  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -13  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -12  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -11  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A  -10  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER A   -9  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER A   -8  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 GLY A   -7  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 LEU A   -6  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 VAL A   -5  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 PRO A   -4  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ARG A   -3  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 GLY A   -2  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER A   -1  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS A    0  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 MET A    1  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ALA A  277  UNP  A7LAI8    PHE   310 ENGINEERED MUTATION            
SEQADV 3I41 ALA A  278  UNP  A7LAI8    PRO   311 ENGINEERED MUTATION            
SEQADV 3I41 MET B  -19  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ARG B  -18  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER B  -17  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER B  -16  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -15  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -14  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -13  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -12  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -11  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B  -10  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER B   -9  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER B   -8  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 GLY B   -7  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 LEU B   -6  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 VAL B   -5  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 PRO B   -4  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ARG B   -3  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 GLY B   -2  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 SER B   -1  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 HIS B    0  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 MET B    1  UNP  A7LAI8              EXPRESSION TAG                 
SEQADV 3I41 ALA B  277  UNP  A7LAI8    PHE   310 ENGINEERED MUTATION            
SEQADV 3I41 ALA B  278  UNP  A7LAI8    PRO   311 ENGINEERED MUTATION            
SEQRES   1 A  317  MET ARG SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  317  LEU VAL PRO ARG GLY SER HIS MET GLU SER LYS LYS ASP          
SEQRES   3 A  317  ASP THR ASP LEU LYS LEU VAL SER HIS ASN VAL TYR MET          
SEQRES   4 A  317  LEU SER THR VAL LEU TYR PRO ASN TRP GLY GLN TYR LYS          
SEQRES   5 A  317  ARG ALA ASP LEU ILE GLY GLN SER SER TYR ILE LYS ASN          
SEQRES   6 A  317  ASN ASP VAL VAL ILE PHE ASN GLU ALA PHE ASP ASN GLY          
SEQRES   7 A  317  ALA SER ASP LYS LEU LEU SER ASN VAL LYS LYS GLU TYR          
SEQRES   8 A  317  PRO TYR GLN THR PRO VAL LEU GLY ARG SER GLN SER GLY          
SEQRES   9 A  317  TRP ASP LYS THR GLU GLY SER TYR SER SER THR VAL ALA          
SEQRES  10 A  317  GLU ASP GLY GLY VAL ALA ILE VAL SER LYS TYR PRO ILE          
SEQRES  11 A  317  LYS GLU LYS ILE GLN HIS VAL PHE LYS SER GLY CYS GLY          
SEQRES  12 A  317  PHE ASP ASN ASP SER ASN LYS GLY PHE VAL TYR THR LYS          
SEQRES  13 A  317  ILE GLU LYS ASN GLY LYS ASN VAL HIS VAL ILE GLY THR          
SEQRES  14 A  317  HIS THR GLN SER GLU ASP SER ARG CYS GLY ALA GLY HIS          
SEQRES  15 A  317  ASP ARG LYS ILE ARG ALA GLU GLN MET LYS GLU ILE SER          
SEQRES  16 A  317  ASP PHE VAL LYS LYS LYS ASN ILE PRO LYS ASP GLU THR          
SEQRES  17 A  317  VAL TYR ILE GLY GLY ASP LEU ASN VAL ASN LYS GLY THR          
SEQRES  18 A  317  PRO GLU PHE LYS ASP MET LEU LYS ASN LEU ASN VAL ASN          
SEQRES  19 A  317  ASP VAL LEU TYR ALA GLY HIS ASN SER THR TRP ASP PRO          
SEQRES  20 A  317  GLN SER ASN SER ILE ALA LYS TYR ASN TYR PRO ASN GLY          
SEQRES  21 A  317  LYS PRO GLU HIS LEU ASP TYR ILE PHE THR ASP LYS ASP          
SEQRES  22 A  317  HIS LYS GLN PRO LYS GLN LEU VAL ASN GLU VAL VAL THR          
SEQRES  23 A  317  GLU LYS PRO LYS PRO TRP ASP VAL TYR ALA ALA ALA TYR          
SEQRES  24 A  317  TYR TYR VAL TYR ASN ASP PHE SER ASP HIS TYR PRO ILE          
SEQRES  25 A  317  LYS ALA TYR SER LYS                                          
SEQRES   1 B  317  MET ARG SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  317  LEU VAL PRO ARG GLY SER HIS MET GLU SER LYS LYS ASP          
SEQRES   3 B  317  ASP THR ASP LEU LYS LEU VAL SER HIS ASN VAL TYR MET          
SEQRES   4 B  317  LEU SER THR VAL LEU TYR PRO ASN TRP GLY GLN TYR LYS          
SEQRES   5 B  317  ARG ALA ASP LEU ILE GLY GLN SER SER TYR ILE LYS ASN          
SEQRES   6 B  317  ASN ASP VAL VAL ILE PHE ASN GLU ALA PHE ASP ASN GLY          
SEQRES   7 B  317  ALA SER ASP LYS LEU LEU SER ASN VAL LYS LYS GLU TYR          
SEQRES   8 B  317  PRO TYR GLN THR PRO VAL LEU GLY ARG SER GLN SER GLY          
SEQRES   9 B  317  TRP ASP LYS THR GLU GLY SER TYR SER SER THR VAL ALA          
SEQRES  10 B  317  GLU ASP GLY GLY VAL ALA ILE VAL SER LYS TYR PRO ILE          
SEQRES  11 B  317  LYS GLU LYS ILE GLN HIS VAL PHE LYS SER GLY CYS GLY          
SEQRES  12 B  317  PHE ASP ASN ASP SER ASN LYS GLY PHE VAL TYR THR LYS          
SEQRES  13 B  317  ILE GLU LYS ASN GLY LYS ASN VAL HIS VAL ILE GLY THR          
SEQRES  14 B  317  HIS THR GLN SER GLU ASP SER ARG CYS GLY ALA GLY HIS          
SEQRES  15 B  317  ASP ARG LYS ILE ARG ALA GLU GLN MET LYS GLU ILE SER          
SEQRES  16 B  317  ASP PHE VAL LYS LYS LYS ASN ILE PRO LYS ASP GLU THR          
SEQRES  17 B  317  VAL TYR ILE GLY GLY ASP LEU ASN VAL ASN LYS GLY THR          
SEQRES  18 B  317  PRO GLU PHE LYS ASP MET LEU LYS ASN LEU ASN VAL ASN          
SEQRES  19 B  317  ASP VAL LEU TYR ALA GLY HIS ASN SER THR TRP ASP PRO          
SEQRES  20 B  317  GLN SER ASN SER ILE ALA LYS TYR ASN TYR PRO ASN GLY          
SEQRES  21 B  317  LYS PRO GLU HIS LEU ASP TYR ILE PHE THR ASP LYS ASP          
SEQRES  22 B  317  HIS LYS GLN PRO LYS GLN LEU VAL ASN GLU VAL VAL THR          
SEQRES  23 B  317  GLU LYS PRO LYS PRO TRP ASP VAL TYR ALA ALA ALA TYR          
SEQRES  24 B  317  TYR TYR VAL TYR ASN ASP PHE SER ASP HIS TYR PRO ILE          
SEQRES  25 B  317  LYS ALA TYR SER LYS                                          
FORMUL   3  HOH   *536(H2 O)                                                    
HELIX    1   1 GLY A   29  SER A   40  1                                  12    
HELIX    2   2 ASP A   56  VAL A   67  1                                  12    
HELIX    3   3 PHE A  124  SER A  128  5                                   5    
HELIX    4   4 GLY A  161  ASN A  182  1                                  22    
HELIX    5   5 THR A  201  ASN A  212  1                                  12    
HELIX    6   6 ASN A  230  TYR A  237  1                                   8    
HELIX    7   7 GLY B   29  GLN B   39  1                                  11    
HELIX    8   8 ASP B   56  LYS B   68  1                                  13    
HELIX    9   9 CYS B  122  SER B  128  5                                   7    
HELIX   10  10 GLY B  161  LYS B  181  1                                  21    
HELIX   11  11 THR B  201  ASN B  212  1                                  12    
HELIX   12  12 ASN B  230  TYR B  237  1                                   8    
SHEET    1   A 7 TYR A  73  GLN A  74  0                                        
SHEET    2   A 7 ALA A 103  SER A 106 -1  O  SER A 106   N  TYR A  73           
SHEET    3   A 7 VAL A  48  ALA A  54 -1  N  PHE A  51   O  ALA A 103           
SHEET    4   A 7 LEU A  12  MET A  19  1  N  VAL A  17   O  ASN A  52           
SHEET    5   A 7 ILE A 292  SER A 296 -1  O  ALA A 294   N  LEU A  12           
SHEET    6   A 7 LEU A 260  VAL A 264 -1  N  GLU A 263   O  LYS A 293           
SHEET    7   A 7 LEU A 217  GLY A 220  1  N  ALA A 219   O  VAL A 264           
SHEET    1   B 6 LYS A  87  GLY A  90  0                                        
SHEET    2   B 6 ILE A 110  VAL A 117  1  O  GLN A 115   N  LYS A  87           
SHEET    3   B 6 GLY A 131  LYS A 139 -1  O  TYR A 134   N  ILE A 114           
SHEET    4   B 6 LYS A 142  HIS A 150 -1  O  VAL A 144   N  ILE A 137           
SHEET    5   B 6 VAL A 189  ASP A 194  1  O  TYR A 190   N  HIS A 145           
SHEET    6   B 6 ASP A 246  THR A 250 -1  O  PHE A 249   N  ILE A 191           
SHEET    1   C 2 TRP A 272  ALA A 276  0                                        
SHEET    2   C 2 TYR A 279  TYR A 283 -1  O  TYR A 283   N  TRP A 272           
SHEET    1   D 7 TYR B  73  GLN B  74  0                                        
SHEET    2   D 7 ALA B 103  SER B 106 -1  O  SER B 106   N  TYR B  73           
SHEET    3   D 7 VAL B  48  ALA B  54 -1  N  PHE B  51   O  ALA B 103           
SHEET    4   D 7 LEU B  12  MET B  19  1  N  VAL B  13   O  ILE B  50           
SHEET    5   D 7 ILE B 292  SER B 296 -1  O  ALA B 294   N  LEU B  12           
SHEET    6   D 7 LEU B 260  VAL B 264 -1  N  GLU B 263   O  LYS B 293           
SHEET    7   D 7 LEU B 217  GLY B 220  1  N  LEU B 217   O  ASN B 262           
SHEET    1   E 6 LYS B  87  GLY B  90  0                                        
SHEET    2   E 6 ILE B 110  VAL B 117  1  O  VAL B 117   N  GLU B  89           
SHEET    3   E 6 GLY B 131  LYS B 139 -1  O  LYS B 136   N  LYS B 111           
SHEET    4   E 6 LYS B 142  HIS B 150 -1  O  LYS B 142   N  LYS B 139           
SHEET    5   E 6 VAL B 189  ASP B 194  1  O  TYR B 190   N  HIS B 145           
SHEET    6   E 6 ASP B 246  THR B 250 -1  O  PHE B 249   N  ILE B 191           
SHEET    1   F 2 TRP B 272  TYR B 275  0                                        
SHEET    2   F 2 TYR B 280  TYR B 283 -1  O  TYR B 283   N  TRP B 272           
SSBOND   1 CYS A  122    CYS A  158                          1555   1555  2.04  
SSBOND   2 CYS B  122    CYS B  158                          1555   1555  2.05  
CISPEP   1 CYS A  122    GLY A  123          0        -3.33                     
CISPEP   2 ALA A  160    GLY A  161          0        11.57                     
CISPEP   3 ALA A  276    ALA A  277          0         3.17                     
CISPEP   4 ALA A  277    ALA A  278          0        17.24                     
CISPEP   5 PRO B  238    ASN B  239          0        -7.97                     
CRYST1   63.176   68.668  127.842  90.00  90.00  90.00 P 21 21 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      0.015829  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014563  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007822        0.00000