HEADER    TOXIN                                   12-SEP-06   2ICI               
TITLE     CRYSTAL STRUCTURE OF STREPTOCOCCAL PYROGENIC EXOTOXIN I                
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: EXOTOXIN I;                                                 
COMPND   3 CHAIN: A;                                                             
COMPND   4 ENGINEERED: YES;                                                      
COMPND   5 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PYOGENES;                          
SOURCE   3 ORGANISM_TAXID: 1314;                                                 
SOURCE   4 GENE: SPEI;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: AUXOTROPHIC B384                            
KEYWDS    STREPTOCOCCAL SUPERANTIGEN SPEI, TOXIN                                 
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    S.GUNTHER,A.K.VARMA,E.J.SUNDBERG                                       
REVDAT   3   20-OCT-21 2ICI    1       REMARK SEQADV LINK                        
REVDAT   2   24-FEB-09 2ICI    1       VERSN                                     
REVDAT   1   27-MAR-07 2ICI    0                                                 
JRNL        AUTH   J.N.BROUILLARD,S.GUNTHER,A.K.VARMA,I.GRYSKI,C.A.HERFST,       
JRNL        AUTH 2 A.K.RAHMAN,D.Y.LEUNG,P.M.SCHLIEVERT,J.MADRENAS,E.J.SUNDBERG,  
JRNL        AUTH 3 J.K.MCCORMICK                                                 
JRNL        TITL   CRYSTAL STRUCTURE OF THE STREPTOCOCCAL SUPERANTIGEN SPEI AND  
JRNL        TITL 2 FUNCTIONAL ROLE OF A NOVEL LOOP DOMAIN IN T CELL ACTIVATION   
JRNL        TITL 3 BY GROUP V SUPERANTIGENS.                                     
JRNL        REF    J.MOL.BIOL.                   V. 367   925 2007               
JRNL        REFN                   ISSN 0022-2836                                
JRNL        PMID   17303163                                                      
JRNL        DOI    10.1016/J.JMB.2007.01.024                                     
REMARK   2                                                                       
REMARK   2 RESOLUTION.    1.56 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 WITH PHASES                 
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.56                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.38                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                            
REMARK   3   NUMBER OF REFLECTIONS             : 29279                           
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) : 0.178                            
REMARK   3   R VALUE            (WORKING SET) : 0.176                            
REMARK   3   FREE R VALUE                     : 0.227                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1489                             
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) : 1.56                          
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.60                          
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1939                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.89                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1800                        
REMARK   3   BIN FREE R VALUE SET COUNT          : 121                           
REMARK   3   BIN FREE R VALUE                    : 0.2460                        
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 1834                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 1                                        
REMARK   3   SOLVENT ATOMS            : 299                                      
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                            
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.35                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                        
REMARK   3    B11 (A**2) : 0.06000                                               
REMARK   3    B22 (A**2) : -0.06000                                              
REMARK   3    B33 (A**2) : 0.01000                                               
REMARK   3    B12 (A**2) : 0.00000                                               
REMARK   3    B13 (A**2) : 0.05000                                               
REMARK   3    B23 (A**2) : 0.00000                                               
REMARK   3                                                                       
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                  
REMARK   3   ESU BASED ON R VALUE                            (A): 0.143          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.101          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.058          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.458          
REMARK   3                                                                       
REMARK   3 CORRELATION COEFFICIENTS.                                             
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.960                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.942                          
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT       
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1874 ; 0.010 ; 0.022        
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL        
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2520 ; 1.324 ; 1.950        
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL        
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   226 ; 7.581 ; 5.000        
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    95 ;32.348 ;24.737        
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   338 ;13.640 ;15.000        
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ;21.328 ;15.000        
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   262 ; 0.098 ; 0.200        
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1434 ; 0.005 ; 0.020        
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   936 ; 0.231 ; 0.200        
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL        
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1312 ; 0.315 ; 0.200        
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL        
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   267 ; 0.192 ; 0.200        
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL        
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     1 ; 0.057 ; 0.200        
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):   108 ; 0.220 ; 0.200        
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL        
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    46 ; 0.214 ; 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):  1148 ; 1.147 ; 1.500        
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1820 ; 1.676 ; 2.000        
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   813 ; 2.123 ; 3.000        
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL        
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   700 ; 3.024 ; 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):  1961 ; 1.333 ; 3.000        
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   335 ; 4.218 ; 3.000        
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1834 ; 3.256 ; 3.000        
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   : 1.40                                           
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. THE FRIEDEL PAIRS WERE USED FOR PHASING                   
REMARK   4                                                                       
REMARK   4 2ICI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-SEP-06.                   
REMARK 100 THE DEPOSITION ID IS D_1000039411.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 03-MAY-06                           
REMARK 200  TEMPERATURE           (KELVIN) : 100                                 
REMARK 200  PH                             : NULL                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : Y                                   
REMARK 200  RADIATION SOURCE               : CHESS                               
REMARK 200  BEAMLINE                       : F2                                  
REMARK 200  X-RAY GENERATOR MODEL          : NULL                                
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97903, 0.97942, 0.96418,          
REMARK 200                                   0.97795                             
REMARK 200  MONOCHROMATOR                  : NULL                                
REMARK 200  OPTICS                         : NULL                                
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : NULL                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                            
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                            
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 57515                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.560                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                               
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                                
REMARK 200  DATA REDUNDANCY                : 3.520                               
REMARK 200  R MERGE                    (I) : NULL                                
REMARK 200  R SYM                      (I) : 0.04100                             
REMARK 200   FOR THE DATA SET  : 28.6000                             
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.56                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.62                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.3                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.10                                
REMARK 200  R MERGE FOR SHELL          (I) : NULL                                
REMARK 200  R SYM FOR SHELL            (I) : 0.12900                             
REMARK 200   FOR SHELL         : 7.700                               
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: MAD                                             
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                           
REMARK 200 SOFTWARE USED: SOLVE                                                  
REMARK 200 STARTING MODEL: NULL                                                  
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 38.73                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, HANGING DROP             
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                          
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -X,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       40.22050             
REMARK 290   SMTRY3   2  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 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 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                      
REMARK 500                                                                       
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                             
REMARK 500                                                                       
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE           
REMARK 500   O    HOH A   391     O    HOH A   583              1.57             
REMARK 500   O    HOH A   429     O    HOH A   547              1.90             
REMARK 500   OD1  ASP A   129     O    HOH A   318              2.02             
REMARK 500   O    HOH A   338     O    HOH A   564              2.12             
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: TORSION ANGLES                                              
REMARK 500                                                                       
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:             
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                              
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                     
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-            
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400             
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        PSI       PHI                                    
REMARK 500    SER A   5       52.61   -147.32                                    
REMARK 500    SER A  34     -112.05     55.00                                    
REMARK 500    TYR A  44      139.48   -170.64                                    
REMARK 500    SER A  47     -102.48   -152.82                                    
REMARK 500    PRO A  79       48.31   -108.96                                    
REMARK 500    SER A  80     -107.79    164.46                                    
REMARK 500    ASN A  81     -134.49   -148.24                                    
REMARK 500    SER A  82     -157.59    -95.15                                    
REMARK 500    ARG A 163       27.35   -153.64                                    
REMARK 500    GLU A 172       15.87   -144.26                                    
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                          
REMARK 500                                                                       
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH           
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED            
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND                
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                   
REMARK 500                                 MODEL     OMEGA                       
REMARK 500 PRO A   78     PRO A   79                  -55.32                     
REMARK 500 SER A   80     ASN A   81                  144.01                     
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                              MG A 301  MG                             
REMARK 620 N RES CSSEQI ATOM                                                     
REMARK 620 1 HIS A 179   ND1                                                     
REMARK 620 2 HIS A 217   NE2  75.0                                               
REMARK 620 3 ASP A 219   OD2  73.1 104.8                                         
REMARK 620 4 HOH A 597   O    88.1 162.8  66.1                                   
REMARK 620 N                    1     2     3                                    
REMARK 800                                                                       
REMARK 800 SITE                                                                  
REMARK 800 SITE_IDENTIFIER: AC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 301                   
REMARK 999                                                                       
REMARK 999 SEQUENCE                                                              
REMARK 999 THE SEQUENCE OF THIS ENTRY WAS NOT AVAILABLE                          
REMARK 999 IN UNIPROT DATABASE AT THE TIME OF DEPOSITION.                        
DBREF  2ICI A    3   227  UNP    Q8VVW1   Q8VVW1_STRPY     1    225              
SEQADV 2ICI TYR A    1  UNP  Q8VVW1              CLONING ARTIFACT                
SEQADV 2ICI GLU A    2  UNP  Q8VVW1              CLONING ARTIFACT                
SEQADV 2ICI MSE A    3  UNP  Q8VVW1    MET     1 MODIFIED RESIDUE                
SEQADV 2ICI MSE A   14  UNP  Q8VVW1    LEU    12 ENGINEERED MUTATION             
SEQADV 2ICI MSE A   55  UNP  Q8VVW1    LEU    53 ENGINEERED MUTATION             
SEQADV 2ICI SER A   80  UNP  Q8VVW1    CYS    78 ENGINEERED MUTATION             
SEQADV 2ICI MSE A  190  UNP  Q8VVW1    LEU   188 ENGINEERED MUTATION             
SEQADV 2ICI MSE A  201  UNP  Q8VVW1    MET   199 MODIFIED RESIDUE                
SEQRES   1 A  227  TYR GLU MSE SER SER VAL GLY VAL ILE ASN LEU ARG ASN           
SEQRES   2 A  227  MSE TYR SER THR TYR ASP PRO THR GLU VAL LYS GLY LYS           
SEQRES   3 A  227  ILE ASN GLU GLY PRO PRO PHE SER GLY SER LEU PHE TYR           
SEQRES   4 A  227  LYS ASN ILE PRO TYR GLY ASN SER SER ILE GLU LEU LYS           
SEQRES   5 A  227  VAL GLU MSE ASN SER VAL GLU LYS ALA ASN PHE PHE SER           
SEQRES   6 A  227  GLY LYS ARG VAL ASP ILE PHE THR LEU GLU TYR SER PRO           
SEQRES   7 A  227  PRO SER ASN SER ASN ILE LYS LYS ASN SER TYR GLY GLY           
SEQRES   8 A  227  ILE THR LEU SER ASP GLY ASN ARG ILE ASP LYS LYS ASN           
SEQRES   9 A  227  ILE PRO VAL ASN ILE PHE ILE ASP GLY VAL GLN GLN LYS           
SEQRES  10 A  227  TYR SER TYR THR ASP ILE SER THR VAL SER THR ASP LYS           
SEQRES  11 A  227  LYS GLU VAL THR ILE GLN GLU LEU ASP VAL LYS SER ARG           
SEQRES  12 A  227  TYR TYR LEU GLN LYS HIS PHE ASN ILE TYR GLY PHE GLY           
SEQRES  13 A  227  ASP VAL LYS ASP PHE GLY ARG SER SER ARG PHE GLN SER           
SEQRES  14 A  227  GLY PHE GLU GLU GLY ASN ILE ILE PHE HIS LEU ASN SER           
SEQRES  15 A  227  GLY GLU ARG ILE SER TYR ASN MSE PHE ASP THR GLY HIS           
SEQRES  16 A  227  GLY ASP ARG GLU SER MSE LEU LYS LYS TYR SER ASP ASN           
SEQRES  17 A  227  LYS THR ALA TYR SER ASP GLN LEU HIS ILE ASP ILE TYR           
SEQRES  18 A  227  LEU VAL LYS PHE ASN LYS                                       
MODRES 2ICI MSE A    3  MET  SELENOMETHIONINE                                    
MODRES 2ICI MSE A   14  MET  SELENOMETHIONINE                                    
MODRES 2ICI MSE A   55  MET  SELENOMETHIONINE                                    
MODRES 2ICI MSE A  190  MET  SELENOMETHIONINE                                    
MODRES 2ICI MSE A  201  MET  SELENOMETHIONINE                                    
HET    MSE  A   3       8                                                        
HET    MSE  A  14       8                                                        
HET    MSE  A  55       8                                                        
HET    MSE  A 190       8                                                        
HET    MSE  A 201       8                                                        
HET     MG  A 301       1                                                        
HETNAM     MSE SELENOMETHIONINE                                                  
HETNAM      MG MAGNESIUM ION                                                     
FORMUL   1  MSE    5(C5 H11 N O2 SE)                                             
FORMUL   2   MG    MG 2+                                                         
FORMUL   3  HOH   *299(H2 O)                                                     
HELIX    1   1 SER A    5  THR A   17  1                                  13     
HELIX    2   2 SER A   57  SER A   65  1                                   9     
HELIX    3   3 ILE A  135  ASN A  151  1                                  17     
HELIX    4   4 ASP A  197  LYS A  203  1                                   7     
HELIX    5   5 LYS A  204  ASN A  208  5                                   5     
SHEET    1   A 3 THR A  21  LYS A  26  0                                         
SHEET    2   A 3 VAL A  69  THR A  73 -1  O  VAL A  69   N  LYS A  26            
SHEET    3   A 3 ILE A  92  LEU A  94 -1  O  THR A  93   N  ASP A  70            
SHEET    1   B 4 SER A  36  TYR A  44  0                                         
SHEET    2   B 4 SER A  47  GLU A  54 -1  O  VAL A  53   N  LEU A  37            
SHEET    3   B 4 LYS A  85  TYR A  89  1  O  LYS A  86   N  LYS A  52            
SHEET    4   B 4 GLU A  75  TYR A  76 -1  N  TYR A  76   O  ASN A  87            
SHEET    1   C 2 ARG A  99  ASN A 104  0                                         
SHEET    2   C 2 SER A 127  LYS A 130 -1  O  THR A 128   N  LYS A 103            
SHEET    1   D 5 VAL A 114  GLN A 115  0                                         
SHEET    2   D 5 VAL A 107  ILE A 111 -1  N  ILE A 111   O  VAL A 114            
SHEET    3   D 5 LEU A 216  LYS A 224  1  O  ILE A 220   N  PHE A 110            
SHEET    4   D 5 PHE A 171  LEU A 180 -1  N  ILE A 177   O  ASP A 219            
SHEET    5   D 5 ARG A 185  ASN A 189 -1  O  ILE A 186   N  PHE A 178            
SHEET    1   E 2 GLU A 132  THR A 134  0                                         
SHEET    2   E 2 THR A 210  TYR A 212 -1  O  ALA A 211   N  VAL A 133            
LINK         C   GLU A   2                 N   MSE A   3     1555   1555  1.32   
LINK         C   MSE A   3                 N   SER A   4     1555   1555  1.33   
LINK         C   ASN A  13                 N   MSE A  14     1555   1555  1.33   
LINK         C   MSE A  14                 N   TYR A  15     1555   1555  1.33   
LINK         C   GLU A  54                 N   MSE A  55     1555   1555  1.33   
LINK         C   MSE A  55                 N   ASN A  56     1555   1555  1.32   
LINK         C   ASN A 189                 N   MSE A 190     1555   1555  1.33   
LINK         C   MSE A 190                 N   PHE A 191     1555   1555  1.33   
LINK         C   SER A 200                 N   MSE A 201     1555   1555  1.33   
LINK         C   MSE A 201                 N   LEU A 202     1555   1555  1.33   
LINK         ND1 HIS A 179                MG    MG A 301     1555   1555  2.95   
LINK         NE2 HIS A 217                MG    MG A 301     1555   1555  2.07   
LINK         OD2 ASP A 219                MG    MG A 301     1555   1555  1.93   
LINK        MG    MG A 301                 O   HOH A 597     1555   1555  2.65   
CISPEP   1 ASN A   81    SER A   82          0        11.11                      
SITE     1 AC1  4 HIS A 179  HIS A 217  ASP A 219  HOH A 597                     
CRYST1   30.864   80.441   43.054  90.00  99.51  90.00 P 1 21 1      2           
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      0.032400  0.000000  0.005431        0.00000                          
SCALE2      0.000000  0.012431  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.023551        0.00000                          
END