PDB Short entry for 1PYW
HEADER    IMMUNE SYSTEM/PROTEIN BINDING/TOXIN     09-JUL-03   1PYW              
TITLE     HUMAN CLASS II MHC PROTEIN HLA-DR1 BOUND TO A DESIGNED PEPTIDE RELATED
TITLE    2 TO INFLUENZA VIRUS HEMAGGLUTININ, FVKQNA(MAA)AL, IN COMPLEX WITH     
TITLE    3 STAPHYLOCOCCAL ENTEROTOXIN C3 VARIANT 3B2 (SEC3-3B2)                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN;   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLULAR DOMAIN OF HLA-DRA;                           
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR-1 BETA CHAIN;  
COMPND   8 CHAIN: B;                                                            
COMPND   9 FRAGMENT: EXTRACELLULAR DOMAIN OF HLA-DRB1;                          
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: 9-RESIDUE INFLUENZA VIRUS HEMAGGLUTININ RELATED PEPTIDE    
COMPND  13 FVKQNA(MAA)AL;                                                       
COMPND  14 CHAIN: C;                                                            
COMPND  15 ENGINEERED: YES;                                                     
COMPND  16 MUTATION: YES;                                                       
COMPND  17 MOL_ID: 4;                                                           
COMPND  18 MOLECULE: ENTEROTOXIN TYPE C-3;                                      
COMPND  19 CHAIN: D;                                                            
COMPND  20 FRAGMENT: RESIDUES 28-266;                                           
COMPND  21 SYNONYM: SEC3;                                                       
COMPND  22 ENGINEERED: YES;                                                     
COMPND  23 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: HLA-DRA;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: T7 POLYMERASE/LAC;                         
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PLM1;                                     
SOURCE  12 MOL_ID: 2;                                                           
SOURCE  13 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  14 ORGANISM_COMMON: HUMAN;                                              
SOURCE  15 ORGANISM_TAXID: 9606;                                                
SOURCE  16 GENE: HLA-DRB;                                                       
SOURCE  17 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  18 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  19 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  20 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  21 EXPRESSION_SYSTEM_VECTOR: T7 POLYMERASE/ LAC;                        
SOURCE  22 EXPRESSION_SYSTEM_PLASMID: PLM1;                                     
SOURCE  23 MOL_ID: 3;                                                           
SOURCE  24 SYNTHETIC: YES;                                                      
SOURCE  25 OTHER_DETAILS: SYNTHETIC PEPTIDE BASED ON THE CENTRAL REGION OF A    
SOURCE  26 NATURAL OCCURING PEPTIDE DERIVED FROM THE INFLUENZA VIRUS            
SOURCE  27 HEMAGGLUTININ. AMINO TERMINUS IS ACETYLATED, ALANINE AT POSITION 7   
SOURCE  28 IS N-METHYLATED, AND CARBOXY TERMINUS IS AMIDATED.;                  
SOURCE  29 MOL_ID: 4;                                                           
SOURCE  30 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS SUBSP. AUREUS MU50;       
SOURCE  31 ORGANISM_TAXID: 158878;                                              
SOURCE  32 STRAIN: MU50/ATCC 700699;                                            
SOURCE  33 GENE: ENTC3 OR SAV2009 OR SA1817;                                    
SOURCE  34 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  35 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  36 EXPRESSION_SYSTEM_STRAIN: HB 2151;                                   
SOURCE  37 EXPRESSION_SYSTEM_VECTOR: LAC                                        
KEYWDS    MHC CLASS II, MAJOR HISTOCOMPATIBILITY PROTEIN COMPLEX, HLA-DR1,      
KEYWDS   2 INFLUENZA, HEMAGGLUTININ, SUPERANTIGEN, ANTIGEN, IMMUNE SYSTEM-      
KEYWDS   3 PROTEIN BINDING-TOXIN COMPLEX                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.ZAVALA-RUIZ,E.J.SUNDBERG,J.D.STONE,D.B.DEOLIVEIRA,I.C.CHAN,         
AUTHOR   2 J.SVENDSEN,R.A.MARIUZZA,L.J.STERN                                    
REVDAT   7   16-AUG-23 1PYW    1       REMARK                                   
REVDAT   6   27-OCT-21 1PYW    1       REMARK SEQADV LINK                       
REVDAT   5   04-APR-18 1PYW    1       REMARK                                   
REVDAT   4   11-OCT-17 1PYW    1       REMARK                                   
REVDAT   3   13-JUL-11 1PYW    1       VERSN                                    
REVDAT   2   24-FEB-09 1PYW    1       VERSN                                    
REVDAT   1   09-DEC-03 1PYW    0                                                
JRNL        AUTH   Z.ZAVALA-RUIZ,E.J.SUNDBERG,J.D.STONE,D.B.DEOLIVEIRA,         
JRNL        AUTH 2 I.C.CHAN,J.SVENDSEN,R.A.MARIUZZA,L.J.STERN                   
JRNL        TITL   EXPLORATION OF THE P6/P7 REGION OF THE PEPTIDE-BINDING SITE  
JRNL        TITL 2 OF THE HUMAN CLASS II MAJOR HISTOCOMPATABILITY COMPLEX       
JRNL        TITL 3 PROTEIN HLA-DR1                                              
JRNL        REF    J.BIOL.CHEM.                  V. 278 44904 2003              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12952957                                                     
JRNL        DOI    10.1074/JBC.M307652200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 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) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 69514                          
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) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 7813                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.23                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2730                       
REMARK   3   BIN FREE R VALUE                    : 0.3040                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 1288                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.008                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4982                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 414                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.02000                                              
REMARK   3    B22 (A**2) : 1.02000                                              
REMARK   3    B33 (A**2) : -2.04000                                             
REMARK   3    B12 (A**2) : 2.58000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.25                            
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) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.29                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.720                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.441 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.356 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.999 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.961 ; 2.500                
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  : CNS_TOPPAR:PROTEIN_REP.PARAM                   
REMARK   3  PARAMETER FILE  2  : CNS_TOPPAR:WATER_REP.PARAM                     
REMARK   3  PARAMETER FILE  3  : LIGANDS.PARAM                                  
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1PYW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUL-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019707.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-NOV-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : OTHER                              
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : CONFOCAL MIRROR                    
REMARK 200  OPTICS                         : CONFOCAL MIRRORS                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MAR                                
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 79802                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : 0.07500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.17                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.39400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
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 1KLU                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 74.58                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.84                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, ETHYLENE GLYCOL, MANGESIUM     
REMARK 280  ACETATE, PH 5.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       86.25350            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       49.79848            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       40.55067            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       86.25350            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       49.79848            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       40.55067            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       86.25350            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       49.79848            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       40.55067            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       99.59696            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       81.10133            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       99.59696            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       81.10133            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       99.59696            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       81.10133            
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 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     GLU A     3                                                      
REMARK 465     SER D    97                                                      
REMARK 465     LYS D    98                                                      
REMARK 465     ASP D    99                                                      
REMARK 465     ASN D   100                                                      
REMARK 465     VAL D   101                                                      
REMARK 465     GLY D   102                                                      
REMARK 465     LYS D   103                                                      
REMARK 465     VAL D   104                                                      
REMARK 465     THR D   105                                                      
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     LEU B   109                                                      
REMARK 475     GLN B   110                                                      
REMARK 475     HIS B   111                                                      
REMARK 475     HIS B   112                                                      
REMARK 475     LYS D    56                                                      
REMARK 475     LYS D    57                                                      
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    LEU B     8     O    TYR B    32              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    THR A 129      -28.51   -156.10                                   
REMARK 500    ASP A 181      -37.21   -134.87                                   
REMARK 500    TYR B  32      -94.71    -68.76                                   
REMARK 500    ASN B  33      -74.71    -89.30                                   
REMARK 500    TYR B  78      -65.78   -104.97                                   
REMARK 500    THR B  90      -66.42   -128.60                                   
REMARK 500    THR B 106      -78.54    -71.49                                   
REMARK 500    GLN B 107       71.44     60.84                                   
REMARK 500    PRO B 108      -89.91    -64.14                                   
REMARK 500    GLN B 110     -102.74    -28.62                                   
REMARK 500    HIS B 111       59.90    -57.65                                   
REMARK 500    LYS D  57      -83.46    -54.83                                   
REMARK 500    PHE D  95      144.76    179.65                                   
REMARK 500    ASN D 125       70.14     65.16                                   
REMARK 500    SER D 178     -178.42     65.94                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DLH   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN CLASS II MHC PROTEIN HLA-DR1          
REMARK 900 COMPLEXED WITH AN INFLUENZA VIRUS PEPTIDE                            
REMARK 900 RELATED ID: 1KLU   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HLA-DR1/TPI(23-37) COMPLEXED WITH               
REMARK 900 STAPHYLOCOCCAL ENTEROTOXIN C3 VARIANT 3B2 (SEC3-3B2)                 
DBREF  1PYW A    1   182  UNP    P01903   HA2R_HUMAN      26    207             
DBREF  1PYW B    1   190  UNP    P13758   HB2F_HUMAN      30    219             
DBREF  1PYW C    1     9  GB     3212739  2VIU_A         308    316             
DBREF  1PYW D    1   239  UNP    P23313   ETC3_STAAM      28    266             
SEQADV 1PYW PHE C    1  GB   3212739   TYR   308 ENGINEERED MUTATION            
SEQADV 1PYW ALA C    6  GB   3212739   THR   313 ENGINEERED MUTATION            
SEQADV 1PYW MAA C    7  GB   3212739   LEU   314 ENGINEERED MUTATION            
SEQADV 1PYW ALA C    8  GB   3212739   LYS   315 ENGINEERED MUTATION            
SEQADV 1PYW SER D   43  UNP  P23313    LYS    70 ENGINEERED MUTATION            
SEQADV 1PYW PHE D   45  UNP  P23313    LEU    72 ENGINEERED MUTATION            
SEQADV 1PYW LYS D   46  UNP  P23313    ALA    73 ENGINEERED MUTATION            
SEQADV 1PYW TRP D   47  UNP  P23313    HIS    74 ENGINEERED MUTATION            
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   10  ACE PHE VAL LYS GLN ASN ALA MAA ALA LEU                      
SEQRES   1 D  239  GLU SER GLN PRO ASP PRO MET PRO ASP ASP LEU HIS LYS          
SEQRES   2 D  239  SER SER GLU PHE THR GLY THR MET GLY ASN MET LYS TYR          
SEQRES   3 D  239  LEU TYR ASP ASP HIS TYR VAL SER ALA THR LYS VAL LYS          
SEQRES   4 D  239  SER VAL ASP SER PHE PHE LYS TRP ASP LEU ILE TYR ASN          
SEQRES   5 D  239  ILE SER ASP LYS LYS LEU LYS ASN TYR ASP LYS VAL LYS          
SEQRES   6 D  239  THR GLU LEU LEU ASN GLU ASP LEU ALA LYS LYS TYR LYS          
SEQRES   7 D  239  ASP GLU VAL VAL ASP VAL TYR GLY SER ASN TYR TYR VAL          
SEQRES   8 D  239  ASN CYS TYR PHE SER SER LYS ASP ASN VAL GLY LYS VAL          
SEQRES   9 D  239  THR GLY GLY LYS THR CYS MET TYR GLY GLY ILE THR LYS          
SEQRES  10 D  239  HIS GLU GLY ASN HIS PHE ASP ASN GLY ASN LEU GLN ASN          
SEQRES  11 D  239  VAL LEU VAL ARG VAL TYR GLU ASN LYS ARG ASN THR ILE          
SEQRES  12 D  239  SER PHE GLU VAL GLN THR ASP LYS LYS SER VAL THR ALA          
SEQRES  13 D  239  GLN GLU LEU ASP ILE LYS ALA ARG ASN PHE LEU ILE ASN          
SEQRES  14 D  239  LYS LYS ASN LEU TYR GLU PHE ASN SER SER PRO TYR GLU          
SEQRES  15 D  239  THR GLY TYR ILE LYS PHE ILE GLU ASN ASN GLY ASN THR          
SEQRES  16 D  239  PHE TRP TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE          
SEQRES  17 D  239  ASP GLN SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS          
SEQRES  18 D  239  THR VAL ASP SER LYS SER VAL LYS ILE GLU VAL HIS LEU          
SEQRES  19 D  239  THR THR LYS ASN GLY                                          
MODRES 1PYW MAA C    7  ALA  N-METHYLALANINE                                    
HET    ACE  C   0       3                                                       
HET    MAA  C   7       6                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     MAA N-METHYL-L-ALANINE                                               
FORMUL   3  ACE    C2 H4 O                                                      
FORMUL   3  MAA    C4 H9 N O2                                                   
FORMUL   5  HOH   *414(H2 O)                                                    
HELIX    1   1 GLU A   47  ALA A   52  1                                   6    
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  ASN B   62  1                                   9    
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 SER B   88  THR B   90  5                                   3    
HELIX    8   8 MET D    7  LEU D   11  5                                   5    
HELIX    9   9 LYS D   13  PHE D   17  5                                   5    
HELIX   10  10 MET D   21  ASP D   29  1                                   9    
HELIX   11  11 ASN D   70  ASP D   79  1                                  10    
HELIX   12  12 ALA D  156  ASN D  172  1                                  17    
HELIX   13  13 ASP D  209  MET D  215  1                                   7    
HELIX   14  14 MET D  216  ASN D  220  5                                   5    
SHEET    1   A 8 GLU A  40  TRP A  43  0                                        
SHEET    2   A 8 ASP A  29  ASP A  35 -1  N  ASP A  35   O  GLU A  40           
SHEET    3   A 8 SER A  19  PHE A  26 -1  N  PHE A  26   O  ASP A  29           
SHEET    4   A 8 HIS A   5  ASN A  15 -1  N  ALA A  10   O  MET A  23           
SHEET    5   A 8 PHE B   7  PHE B  18 -1  O  PHE B  17   N  HIS A   5           
SHEET    6   A 8 ARG B  23  ILE B  31 -1  O  ARG B  25   N  HIS B  16           
SHEET    7   A 8 GLU B  36  ASP B  41 -1  O  PHE B  40   N  GLU B  28           
SHEET    8   A 8 TYR B  47  ALA B  49 -1  O  ARG B  48   N  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  O  ILE A 106   N  LEU A  92           
SHEET    3   B 4 PHE A 145  PHE A 153 -1  O  LEU A 151   N  LEU A 105           
SHEET    4   B 4 SER A 133  GLU A 134 -1  N  SER A 133   O  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  O  ILE A 106   N  LEU A  92           
SHEET    3   C 4 PHE A 145  PHE A 153 -1  O  LEU A 151   N  LEU A 105           
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 TYR A 161  GLU A 166 -1  O  ARG A 164   N  THR A 120           
SHEET    4   D 4 LEU A 174  TRP A 178 -1  O  TRP A 178   N  TYR A 161           
SHEET    1   E 4 LYS B  98  PRO B 103  0                                        
SHEET    2   E 4 ASN B 113  PHE B 122 -1  O  SER B 120   N  LYS B  98           
SHEET    3   E 4 PHE B 155  THR B 163 -1  O  LEU B 161   N  LEU B 115           
SHEET    4   E 4 VAL B 142  SER B 144 -1  N  VAL B 143   O  MET B 160           
SHEET    1   F 4 LYS B  98  PRO B 103  0                                        
SHEET    2   F 4 ASN B 113  PHE B 122 -1  O  SER B 120   N  LYS B  98           
SHEET    3   F 4 PHE B 155  THR B 163 -1  O  LEU B 161   N  LEU B 115           
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  O  GLN B 174   N  ARG B 130           
SHEET    4   G 4 LEU B 184  ARG B 189 -1  O  LEU B 184   N  VAL B 175           
SHEET    1   H 3 VAL D  33  VAL D  38  0                                        
SHEET    2   H 3 VAL D  82  GLY D  86 -1  O  VAL D  82   N  VAL D  38           
SHEET    3   H 3 ILE D 115  LYS D 117 -1  O  THR D 116   N  ASP D  83           
SHEET    1   I 3 ASP D  48  ASN D  52  0                                        
SHEET    2   I 3 LYS D  63  GLU D  67 -1  O  VAL D  64   N  TYR D  51           
SHEET    3   I 3 LYS D 108  TYR D 112  1  O  MET D 111   N  GLU D  67           
SHEET    1   J 5 ARG D 140  THR D 149  0                                        
SHEET    2   J 5 GLN D 129  GLU D 137 -1  N  VAL D 133   O  PHE D 145           
SHEET    3   J 5 LYS D 229  THR D 235  1  O  LEU D 234   N  TYR D 136           
SHEET    4   J 5 THR D 183  ILE D 189 -1  N  LYS D 187   O  GLU D 231           
SHEET    5   J 5 THR D 195  ASP D 199 -1  O  PHE D 196   N  PHE D 188           
SHEET    1   K 2 SER D 153  THR D 155  0                                        
SHEET    2   K 2 THR D 222  ASP D 224 -1  O  VAL D 223   N  VAL D 154           
SSBOND   1 CYS A  107    CYS A  163                          1555   1555  2.04  
SSBOND   2 CYS B   15    CYS B   79                          1555   1555  2.04  
SSBOND   3 CYS B  117    CYS B  173                          1555   1555  2.03  
SSBOND   4 CYS D   93    CYS D  110                          1555   1555  2.04  
LINK         C   ACE C   0                 N   PHE C   1     1555   1555  1.33  
LINK         C   ALA C   6                 N   MAA C   7     1555   1555  1.34  
LINK         C   MAA C   7                 N   ALA C   8     1555   1555  1.33  
CISPEP   1 ASN A   15    PRO A   16          0         0.19                     
CISPEP   2 THR A  113    PRO A  114          0        -0.10                     
CISPEP   3 TYR B  123    PRO B  124          0         0.55                     
CRYST1  172.507  172.507  121.652  90.00  90.00 120.00 H 3           9          
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      0.005797  0.003347  0.000000        0.00000                         
SCALE2      0.000000  0.006694  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008220        0.00000