PDB Short entry for 1HXY
HEADER    IMMUNE SYSTEM/TOXIN                     17-JAN-01   1HXY              
TITLE     CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN H IN COMPLEX WITH     
TITLE    2 HUMAN MHC CLASS II                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN;   
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR-1 BETA CHAIN;  
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: HEMAGGLUTININ;                                             
COMPND  11 CHAIN: C;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 4;                                                           
COMPND  14 MOLECULE: ENTEROTOXIN H;                                             
COMPND  15 CHAIN: D;                                                            
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PLM1;                                     
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  11 ORGANISM_COMMON: HUMAN;                                              
SOURCE  12 ORGANISM_TAXID: 9606;                                                
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  16 EXPRESSION_SYSTEM_PLASMID: PLM1;                                     
SOURCE  17 MOL_ID: 3;                                                           
SOURCE  18 SYNTHETIC: YES;                                                      
SOURCE  19 OTHER_DETAILS: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE 
SOURCE  20 OF THE PEPTIDE IS NATURALLY FOUND IN INFLUENZA A VIRUS.;             
SOURCE  21 MOL_ID: 4;                                                           
SOURCE  22 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE  23 ORGANISM_TAXID: 1280;                                                
SOURCE  24 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  25 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  26 EXPRESSION_SYSTEM_STRAIN: UL635;                                     
SOURCE  27 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  28 EXPRESSION_SYSTEM_PLASMID: PLR16                                     
KEYWDS    COMPLEX, IMMUNE SYSTEM-TOXIN COMPLEX                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.PETERSSON,M.HAKANSSON,H.NILSSON,G.FORSBERG,L.A.SVENSSON,A.LILJAS,   
AUTHOR   2 B.WALSE                                                              
REVDAT   4   09-AUG-23 1HXY    1       REMARK LINK                              
REVDAT   3   04-OCT-17 1HXY    1       REMARK                                   
REVDAT   2   24-FEB-09 1HXY    1       VERSN                                    
REVDAT   1   27-JUN-01 1HXY    0                                                
JRNL        AUTH   K.PETERSSON,M.HAKANSSON,H.NILSSON,G.FORSBERG,L.A.SVENSSON,   
JRNL        AUTH 2 A.LILJAS,B.WALSE                                             
JRNL        TITL   CRYSTAL STRUCTURE OF A SUPERANTIGEN BOUND TO MHC CLASS II    
JRNL        TITL 2 DISPLAYS ZINC AND PEPTIDE DEPENDENCE                         
JRNL        REF    EMBO J.                       V.  20  3306 2001              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   11432818                                                     
JRNL        DOI    10.1093/EMBOJ/20.13.3306                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 21105                          
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 SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.258                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1075                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4739                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 88                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 55.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.31                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.39                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.41                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.50                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1HXY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JAN-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012671.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MAX II                             
REMARK 200  BEAMLINE                       : I711                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0232                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : TRUNCATE, XDS                      
REMARK 200  DATA SCALING SOFTWARE          : XDS, CCP4 (TRUNCATE)               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21105                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 3.540                              
REMARK 200  R MERGE                    (I) : 0.09900                            
REMARK 200  R SYM                      (I) : 0.07100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.55                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.31400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.150                              
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: PDB ENTRY: 1ENF AND 1DLH                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.88                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.61                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05 MM MONO-POTASSIUM DIHYDROGEN        
REMARK 280  PHOSPHATE, 20 % (W/V) POLYETHYLENE GLYCOL 8000, PH 5.1, VAPOR       
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 291K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       61.81200            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       61.42150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       61.81200            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       61.42150            
REMARK 290   SMTRY3   4  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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 8860 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25650 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -76.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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     ILE A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     GLY B     1                                                      
REMARK 465     ASP B     2                                                      
REMARK 465     SER B   104                                                      
REMARK 465     LYS B   105                                                      
REMARK 465     THR B   106                                                      
REMARK 465     GLN B   107                                                      
REMARK 465     PRO B   108                                                      
REMARK 465     LEU B   109                                                      
REMARK 465     GLN B   110                                                      
REMARK 465     HIS B   111                                                      
REMARK 465     GLU D     1                                                      
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     GLU A  46    CG   CD   OE1  OE2                                  
REMARK 470     GLU B  22    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 138    CG   CD   OE1  OE2                                  
REMARK 470     VAL B 164    CG1  CG2                                            
REMARK 470     ARG B 166    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     SER B 167    OG                                                  
REMARK 470     LYS D  27    CG   CD   CE   NZ                                   
REMARK 470     GLU D  38    CG   CD   OE1  OE2                                  
REMARK 470     SER D  49    OG                                                  
REMARK 470     LYS D  65    CG   CD   CE   NZ                                   
REMARK 470     LYS D  67    CG   CD   CE   NZ                                   
REMARK 470     LYS D  84    CG   CD   CE   NZ                                   
REMARK 470     ILE D  89    CG1  CG2  CD1                                       
REMARK 470     LYS D 131    CG   CD   CE   NZ                                   
REMARK 470     TYR D 187    CG   CD1  CD2  CE1  CE2  CZ   OH                    
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   CG1  VAL B   143     CG1  VAL B   143     2555     1.98            
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    GLU A   4      -78.31   -104.95                                   
REMARK 500    ASN A  78       35.97     72.08                                   
REMARK 500    ARG A 100       -6.82     70.55                                   
REMARK 500    PRO A 102      136.66    -39.20                                   
REMARK 500    THR A 113      148.71   -177.99                                   
REMARK 500    THR A 129      -18.47   -140.38                                   
REMARK 500    THR A 130       94.53    -61.58                                   
REMARK 500    ASN B  33     -103.46     55.32                                   
REMARK 500    TYR B  78      -71.36   -102.83                                   
REMARK 500    THR B  90      -68.61   -121.00                                   
REMARK 500    PRO B 124     -177.67    -69.26                                   
REMARK 500    TRP B 153       37.03     72.88                                   
REMARK 500    THR B 157      142.83   -170.82                                   
REMARK 500    ASN D  29      101.39     64.25                                   
REMARK 500    GLU D  38      -17.85     64.86                                   
REMARK 500    ASN D  45        9.93     59.67                                   
REMARK 500    TYR D  79      -55.06   -121.46                                   
REMARK 500    SER D  86     -159.42   -163.89                                   
REMARK 500    ASP D 156       42.20   -101.34                                   
REMARK 500    PRO D 171       26.14    -59.95                                   
REMARK 500    ASP D 180       53.36    -93.10                                   
REMARK 500    SER D 205      -71.34   -101.86                                   
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 D 600  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  81   ND1                                                    
REMARK 620 2 HIS D 206   NE2 132.1                                              
REMARK 620 3 ASP D 208   OD2 109.6 106.4                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 600                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ENF   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN H                    
REMARK 900 RELATED ID: 1DLH   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN MHC CLASS II IN COMPLEX WITH HEMAGGLUTIN  
REMARK 900 VIRUS PEPTIDE                                                        
REMARK 900 RELATED ID: 1EWZ   RELATED DB: PDB                                   
REMARK 900 ZINC LOADED STAPHYLOCOCCAL ENTEROTOXIN H                             
DBREF  1HXY A    1   182  UNP    P01903   2DRA_HUMAN      26    207             
DBREF  1HXY B    1   190  UNP    P04229   2B11_HUMAN      30    219             
DBREF  1HXY C  306   318  GB     6470273  AAF13705       322    334             
DBREF  1HXY D    1   213  UNP    P0A0M0   ETXH_STAAU      25    237             
SEQRES   1 A  182  ILE LYS GLU GLU HIS VAL ILE ILE GLN ALA GLU PHE TYR          
SEQRES   2 A  182  LEU ASN PRO ASP GLN SER GLY GLU PHE MET PHE ASP PHE          
SEQRES   3 A  182  ASP GLY ASP GLU ILE PHE HIS VAL ASP MET ALA LYS LYS          
SEQRES   4 A  182  GLU THR VAL TRP ARG LEU GLU GLU PHE GLY ARG PHE ALA          
SEQRES   5 A  182  SER PHE GLU ALA GLN GLY ALA LEU ALA ASN ILE ALA VAL          
SEQRES   6 A  182  ASP LYS ALA ASN LEU GLU ILE MET THR LYS ARG SER ASN          
SEQRES   7 A  182  TYR THR PRO ILE THR ASN VAL PRO PRO GLU VAL THR VAL          
SEQRES   8 A  182  LEU THR ASN SER PRO VAL GLU LEU ARG GLU PRO ASN VAL          
SEQRES   9 A  182  LEU ILE CYS PHE ILE ASP LYS PHE THR PRO PRO VAL VAL          
SEQRES  10 A  182  ASN VAL THR TRP LEU ARG ASN GLY LYS PRO VAL THR THR          
SEQRES  11 A  182  GLY VAL SER GLU THR VAL PHE LEU PRO ARG GLU ASP HIS          
SEQRES  12 A  182  LEU PHE ARG LYS PHE HIS TYR LEU PRO PHE LEU PRO SER          
SEQRES  13 A  182  THR GLU ASP VAL TYR ASP CYS ARG VAL GLU HIS TRP GLY          
SEQRES  14 A  182  LEU ASP GLU PRO LEU LEU LYS HIS TRP GLU PHE ASP ALA          
SEQRES   1 B  190  GLY ASP THR ARG PRO ARG PHE LEU TRP GLN LEU LYS PHE          
SEQRES   2 B  190  GLU CYS HIS PHE PHE ASN GLY THR GLU ARG VAL ARG LEU          
SEQRES   3 B  190  LEU GLU ARG CYS ILE TYR ASN GLN GLU GLU SER VAL ARG          
SEQRES   4 B  190  PHE ASP SER ASP VAL GLY GLU TYR ARG ALA VAL THR GLU          
SEQRES   5 B  190  LEU GLY ARG PRO ASP ALA GLU TYR TRP ASN SER GLN LYS          
SEQRES   6 B  190  ASP LEU LEU GLU GLN ARG ARG ALA ALA VAL ASP THR TYR          
SEQRES   7 B  190  CYS ARG HIS ASN TYR GLY VAL GLY GLU SER PHE THR VAL          
SEQRES   8 B  190  GLN ARG ARG VAL GLU PRO LYS VAL THR VAL TYR PRO SER          
SEQRES   9 B  190  LYS THR GLN PRO LEU GLN HIS HIS ASN LEU LEU VAL CYS          
SEQRES  10 B  190  SER VAL SER GLY PHE TYR PRO GLY SER ILE GLU VAL ARG          
SEQRES  11 B  190  TRP PHE ARG ASN GLY GLN GLU GLU LYS ALA GLY VAL VAL          
SEQRES  12 B  190  SER THR GLY LEU ILE GLN ASN GLY ASP TRP THR PHE GLN          
SEQRES  13 B  190  THR LEU VAL MET LEU GLU THR VAL PRO ARG SER GLY GLU          
SEQRES  14 B  190  VAL TYR THR CYS GLN VAL GLU HIS PRO SER VAL THR SER          
SEQRES  15 B  190  PRO LEU THR VAL GLU TRP ARG ALA                              
SEQRES   1 C   13  PRO LYS TYR VAL LYS GLN ASN THR LEU LYS LEU ALA THR          
SEQRES   1 D  213  GLU ASP LEU HIS ASP LYS SER GLU LEU THR ASP LEU ALA          
SEQRES   2 D  213  LEU ALA ASN ALA TYR GLY GLN TYR ASN HIS PRO PHE ILE          
SEQRES   3 D  213  LYS GLU ASN ILE LYS SER ASP GLU ILE SER GLY GLU LYS          
SEQRES   4 D  213  ASP LEU ILE PHE ARG ASN GLN GLY ASP SER GLY ASN ASP          
SEQRES   5 D  213  LEU ARG VAL LYS PHE ALA THR ALA ASP LEU ALA GLN LYS          
SEQRES   6 D  213  PHE LYS ASN LYS ASN VAL ASP ILE TYR GLY ALA SER PHE          
SEQRES   7 D  213  TYR TYR LYS CYS GLU LYS ILE SER GLU ASN ILE SER GLU          
SEQRES   8 D  213  CYS LEU TYR GLY GLY THR THR LEU ASN SER GLU LYS LEU          
SEQRES   9 D  213  ALA GLN GLU ARG VAL ILE GLY ALA ASN VAL TRP VAL ASP          
SEQRES  10 D  213  GLY ILE GLN LYS GLU THR GLU LEU ILE ARG THR ASN LYS          
SEQRES  11 D  213  LYS ASN VAL THR LEU GLN GLU LEU ASP ILE LYS ILE ARG          
SEQRES  12 D  213  LYS ILE LEU SER ASP LYS TYR LYS ILE TYR TYR LYS ASP          
SEQRES  13 D  213  SER GLU ILE SER LYS GLY LEU ILE GLU PHE ASP MET LYS          
SEQRES  14 D  213  THR PRO ARG ASP TYR SER PHE ASP ILE TYR ASP LEU LYS          
SEQRES  15 D  213  GLY GLU ASN ASP TYR GLU ILE ASP LYS ILE TYR GLU ASP          
SEQRES  16 D  213  ASN LYS THR LEU LYS SER ASP ASP ILE SER HIS ILE ASP          
SEQRES  17 D  213  VAL ASN LEU TYR THR                                          
HET     ZN  D 600       1                                                       
HETNAM      ZN ZINC ION                                                         
FORMUL   5   ZN    ZN 2+                                                        
FORMUL   6  HOH   *88(H2 O)                                                     
HELIX    1   1 LEU A   45  PHE A   51  5                                   7    
HELIX    2   2 GLU A   55  SER A   77  1                                  23    
HELIX    3   3 THR B   51  LEU B   53  5                                   3    
HELIX    4   4 GLY B   54  SER B   63  1                                  10    
HELIX    5   5 GLN B   64  TYR B   78  1                                  15    
HELIX    6   6 TYR B   78  GLU B   87  1                                  10    
HELIX    7   7 ASP D    5  LEU D    9  5                                   5    
HELIX    8   8 THR D   10  HIS D   23  1                                  14    
HELIX    9   9 GLY D   47  ASN D   51  5                                   5    
HELIX   10  10 THR D   59  LYS D   67  1                                   9    
HELIX   11  11 LEU D  135  LYS D  151  1                                  17    
HELIX   12  12 ASN D  185  ASP D  190  1                                   6    
HELIX   13  13 LYS D  191  GLU D  194  5                                   4    
SHEET    1   A 8 GLU A  40  TRP A  43  0                                        
SHEET    2   A 8 ASP A  29  ASP A  35 -1  O  HIS A  33   N  VAL A  42           
SHEET    3   A 8 SER A  19  PHE A  26 -1  O  PHE A  22   N  VAL A  34           
SHEET    4   A 8 HIS A   5  ASN A  15 -1  O  ILE A   8   N  ASP A  25           
SHEET    5   A 8 PHE B   7  PHE B  18 -1  O  PHE B   7   N  ASN A  15           
SHEET    6   A 8 ARG B  23  TYR B  32 -1  O  ARG B  23   N  PHE B  18           
SHEET    7   A 8 GLU B  35  ASP B  41 -1  N  GLU B  35   O  TYR B  32           
SHEET    8   A 8 TYR B  47  ALA B  49 -1  N  ARG B  48   O  ARG B  39           
SHEET    1   B 4 GLU A  88  THR A  93  0                                        
SHEET    2   B 4 ASN A 103  PHE A 112 -1  N  ILE A 106   O  LEU A  92           
SHEET    3   B 4 PHE A 145  PHE A 153 -1  N  PHE A 145   O  PHE A 112           
SHEET    4   B 4 SER A 133  GLU A 134 -1  O  SER A 133   N  TYR A 150           
SHEET    1   C 4 GLU A  88  THR A  93  0                                        
SHEET    2   C 4 ASN A 103  PHE A 112 -1  N  ILE A 106   O  LEU A  92           
SHEET    3   C 4 PHE A 145  PHE A 153 -1  N  PHE A 145   O  PHE A 112           
SHEET    4   C 4 LEU A 138  PRO A 139 -1  N  LEU A 138   O  ARG A 146           
SHEET    1   D 4 LYS A 126  PRO A 127  0                                        
SHEET    2   D 4 ASN A 118  ARG A 123 -1  N  ARG A 123   O  LYS A 126           
SHEET    3   D 4 VAL A 160  GLU A 166 -1  O  ASP A 162   N  LEU A 122           
SHEET    4   D 4 LEU A 174  GLU A 179 -1  N  LEU A 174   O  VAL A 165           
SHEET    1   E 4 LYS B  98  TYR B 102  0                                        
SHEET    2   E 4 ASN B 113  PHE B 122 -1  N  VAL B 116   O  TYR B 102           
SHEET    3   E 4 PHE B 155  THR B 163 -1  N  PHE B 155   O  PHE B 122           
SHEET    4   E 4 VAL B 142  SER B 144 -1  O  VAL B 143   N  MET B 160           
SHEET    1   F 4 LYS B  98  TYR B 102  0                                        
SHEET    2   F 4 ASN B 113  PHE B 122 -1  N  VAL B 116   O  TYR B 102           
SHEET    3   F 4 PHE B 155  THR B 163 -1  N  PHE B 155   O  PHE B 122           
SHEET    4   F 4 ILE B 148  GLN B 149 -1  N  ILE B 148   O  GLN B 156           
SHEET    1   G 4 GLN B 136  GLU B 137  0                                        
SHEET    2   G 4 GLU B 128  ARG B 133 -1  N  ARG B 133   O  GLN B 136           
SHEET    3   G 4 VAL B 170  GLU B 176 -1  N  THR B 172   O  PHE B 132           
SHEET    4   G 4 LEU B 184  ARG B 189 -1  O  LEU B 184   N  VAL B 175           
SHEET    1   H 3 PHE D  25  ILE D  30  0                                        
SHEET    2   H 3 VAL D  71  GLY D  75 -1  N  VAL D  71   O  ILE D  30           
SHEET    3   H 3 THR D  97  LEU D  99 -1  O  THR D  98   N  ASP D  72           
SHEET    1   I 4 ASP D  40  PHE D  43  0                                        
SHEET    2   I 4 ASP D  52  LYS D  56 -1  N  LEU D  53   O  PHE D  43           
SHEET    3   I 4 SER D  90  TYR D  94  1  O  GLU D  91   N  ARG D  54           
SHEET    4   I 4 SER D  77  PHE D  78 -1  O  PHE D  78   N  CYS D  92           
SHEET    1   J 5 ASP D 173  ASP D 177  0                                        
SHEET    2   J 5 LYS D 161  MET D 168 -1  N  ILE D 164   O  PHE D 176           
SHEET    3   J 5 ILE D 204  TYR D 212 -1  N  SER D 205   O  ASP D 167           
SHEET    4   J 5 LYS D 103  VAL D 116  1  O  GLY D 111   N  ILE D 207           
SHEET    5   J 5 ILE D 119  GLN D 120 -1  O  ILE D 119   N  VAL D 116           
SHEET    1   K 5 ASP D 173  ASP D 177  0                                        
SHEET    2   K 5 LYS D 161  MET D 168 -1  N  ILE D 164   O  PHE D 176           
SHEET    3   K 5 ILE D 204  TYR D 212 -1  N  SER D 205   O  ASP D 167           
SHEET    4   K 5 LYS D 103  VAL D 116  1  O  GLY D 111   N  ILE D 207           
SHEET    5   K 5 GLU D 124  LYS D 130 -1  N  GLU D 124   O  ALA D 112           
SHEET    1   L 2 ASN D 132  THR D 134  0                                        
SHEET    2   L 2 THR D 198  LYS D 200 -1  N  LEU D 199   O  VAL D 133           
SSBOND   1 CYS A  107    CYS A  163                          1555   1555  2.05  
SSBOND   2 CYS B   15    CYS B   79                          1555   1555  2.05  
SSBOND   3 CYS B  117    CYS B  173                          1555   1555  2.03  
SSBOND   4 CYS D   82    CYS D   92                          1555   1555  2.04  
LINK         ND1 HIS B  81                ZN    ZN D 600     1555   1555  2.11  
LINK         NE2 HIS D 206                ZN    ZN D 600     1555   1555  2.15  
LINK         OD2 ASP D 208                ZN    ZN D 600     1555   1555  2.05  
CISPEP   1 ASN A   15    PRO A   16          0        -0.72                     
CISPEP   2 THR A  113    PRO A  114          0        -0.34                     
CISPEP   3 TYR B  123    PRO B  124          0        -0.79                     
SITE     1 AC1  3 HIS B  81  HIS D 206  ASP D 208                               
CRYST1  123.624  122.843   48.513  90.00 100.13  90.00 C 1 2 1       4          
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      0.008089  0.000000  0.001445        0.00000                         
SCALE2      0.000000  0.008140  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020939        0.00000