PDB Short entry for 3B3I
HEADER    IMMUNE SYSTEM                           22-OCT-07   3B3I              
TITLE     CITRULLINATION-DEPENDENT DIFFERENTIAL PRESENTATION OF A SELF-PEPTIDE  
TITLE    2 BY HLA-B27 SUBTYPES                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, B-27 ALPHA CHAIN;  
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLUAR DOMAIN, RESIDUES 25-300;                      
COMPND   5 SYNONYM: MHC CLASS I ANTIGEN B*27;                                   
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: BETA-2-MICROGLOBULIN;                                      
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: RESIDUES 21-119;                                           
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MOL_ID: 3;                                                           
COMPND  13 MOLECULE: VASOACTIVE INTESTINAL POLYPEPTIDE RECEPTOR 1;              
COMPND  14 CHAIN: C;                                                            
COMPND  15 FRAGMENT: RESIDUES 400-408;                                          
COMPND  16 SYNONYM: VIP-R-1, PITUITARY ADENYLATE CYCLASE-ACTIVATING POLYPEPTIDE 
COMPND  17 TYPE II RECEPTOR, PACAP TYPE II RECEPTOR, PACAP-R-2;                 
COMPND  18 ENGINEERED: 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-B, HLAB;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 MOL_ID: 2;                                                           
SOURCE   9 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  10 ORGANISM_COMMON: HUMAN;                                              
SOURCE  11 ORGANISM_TAXID: 9606;                                                
SOURCE  12 GENE: B2M;                                                           
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 MOL_ID: 3;                                                           
SOURCE  16 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  17 ORGANISM_COMMON: HUMAN;                                              
SOURCE  18 ORGANISM_TAXID: 9606;                                                
SOURCE  19 GENE: VIPR1;                                                         
SOURCE  20 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  21 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HLA-B2709, ANKYLOSING SPONDYLITIS, GLYCOPROTEIN, HOST-VIRUS           
KEYWDS   2 INTERACTION, IMMUNE RESPONSE, MEMBRANE, MHC I, TRANSMEMBRANE,        
KEYWDS   3 DISEASE MUTATION, GLYCATION, IMMUNOGLOBULIN DOMAIN, PYRROLIDONE      
KEYWDS   4 CARBOXYLIC ACID, SECRETED, G-PROTEIN COUPLED RECEPTOR,               
KEYWDS   5 PHOSPHORYLATION, RECEPTOR, TRANSDUCER, PROTEIN BINDING, IMMUNE       
KEYWDS   6 SYSTEM                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.BELTRAMI,M.ROSSMANN,M.T.FIORILLO,F.PALADINI,R.SORRENTINO,W.SAENGER, 
AUTHOR   2 P.KUMAR,A.ZIEGLER,B.UCHANSKA-ZIEGLER                                 
REVDAT   8   15-NOV-23 3B3I    1       LINK   ATOM                              
REVDAT   7   30-AUG-23 3B3I    1       REMARK SEQADV LINK                       
REVDAT   6   25-OCT-17 3B3I    1       REMARK                                   
REVDAT   5   13-JUL-11 3B3I    1       VERSN                                    
REVDAT   4   09-JUN-09 3B3I    1       REVDAT                                   
REVDAT   3   24-FEB-09 3B3I    1       VERSN                                    
REVDAT   2   20-JAN-09 3B3I    1       JRNL                                     
REVDAT   1   22-JUL-08 3B3I    0                                                
JRNL        AUTH   A.BELTRAMI,M.ROSSMANN,M.T.FIORILLO,F.PALADINI,R.SORRENTINO,  
JRNL        AUTH 2 W.SAENGER,P.KUMAR,A.ZIEGLER,B.UCHANSKA-ZIEGLER               
JRNL        TITL   CITRULLINATION-DEPENDENT DIFFERENTIAL PRESENTATION OF A      
JRNL        TITL 2 SELF-PEPTIDE BY HLA-B27 SUBTYPES.                            
JRNL        REF    J.BIOL.CHEM.                  V. 283 27189 2008              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   18650441                                                     
JRNL        DOI    10.1074/JBC.M802818200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.86 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.86                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.68                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 37165                          
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) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.233                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1870                            
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) : 1.86                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.90                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2463                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.93                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2270                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 136                          
REMARK   3   BIN FREE R VALUE                    : 0.2910                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3191                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 36                                      
REMARK   3   SOLVENT ATOMS            : 428                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.155         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.146         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.090         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.921         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.944                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.919                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3368 ; 0.007 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4569 ; 1.038 ; 1.938       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   392 ; 5.510 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   184 ;32.232 ;22.880       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   551 ;13.446 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    37 ;15.303 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   458 ; 0.074 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2660 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1444 ; 0.177 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2201 ; 0.296 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   383 ; 0.110 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    37 ; 0.136 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    23 ; 0.103 ; 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):  2021 ; 0.606 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3167 ; 1.017 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1574 ; 1.443 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1402 ; 2.292 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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                                                           
REMARK   4                                                                      
REMARK   4 3B3I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-DEC-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045032.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-DEC-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.982                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37217                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.1                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.89                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1OF2                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.81                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS, 25% PEG 8000, PH 8.0,        
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       25.67150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.63950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.15150            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.63950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.67150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.15150            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6900 ANGSTROM**2                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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: 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    ARG A  14       68.13   -151.28                                   
REMARK 500    ASP A  29     -124.92     48.18                                   
REMARK 500    HIS A 114      108.98   -165.95                                   
REMARK 500    SER A 131      -19.52   -140.07                                   
REMARK 500    GLN A 224       48.89    -97.60                                   
REMARK 500    ARG A 239      -25.40     94.99                                   
REMARK 500    TRP B  60       -5.22     76.39                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 277                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 278                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 279                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 280                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1OGT   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HLA-B*2705 COMPLEXED WITH THE VASOACTIVE        
REMARK 900 INTESTINAL PEPTIDE TYPE 1 RECEPTOR (VIPR) PEPTIDE (RESIDUES 400-408) 
REMARK 900 RELATED ID: 1OF2   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HLA-B*2709 COMPLEXED WITH THE VASOACTIVE        
REMARK 900 INTESTINAL PEPTIDE TYPE 1 RECEPTOR (VIPR) PEPTIDE (RESIDUES 400-408) 
DBREF  3B3I A    1   276  UNP    P03989   1B27_HUMAN      25    300             
DBREF  3B3I B    1    99  UNP    P61769   B2MG_HUMAN      21    119             
DBREF  3B3I C    1     9  UNP    P32241   VIPR1_HUMAN    400    408             
SEQADV 3B3I HIS A  116  UNP  P03989    ASP   140 VARIANT                        
SEQADV 3B3I MET B    0  UNP  P61769              INITIATING METHIONINE          
SEQRES   1 A  276  GLY SER HIS SER MET ARG TYR PHE HIS THR SER VAL SER          
SEQRES   2 A  276  ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE THR VAL GLY          
SEQRES   3 A  276  TYR VAL ASP ASP THR LEU PHE VAL ARG PHE ASP SER ASP          
SEQRES   4 A  276  ALA ALA SER PRO ARG GLU GLU PRO ARG ALA PRO TRP ILE          
SEQRES   5 A  276  GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG GLU THR GLN          
SEQRES   6 A  276  ILE CYS LYS ALA LYS ALA GLN THR ASP ARG GLU ASP LEU          
SEQRES   7 A  276  ARG THR LEU LEU ARG TYR TYR ASN GLN SER GLU ALA GLY          
SEQRES   8 A  276  SER HIS THR LEU GLN ASN MET TYR GLY CYS ASP VAL GLY          
SEQRES   9 A  276  PRO ASP GLY ARG LEU LEU ARG GLY TYR HIS GLN HIS ALA          
SEQRES  10 A  276  TYR ASP GLY LYS ASP TYR ILE ALA LEU ASN GLU ASP LEU          
SEQRES  11 A  276  SER SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR          
SEQRES  12 A  276  GLN ARG LYS TRP GLU ALA ALA ARG VAL ALA GLU GLN LEU          
SEQRES  13 A  276  ARG ALA TYR LEU GLU GLY GLU CYS VAL GLU TRP LEU ARG          
SEQRES  14 A  276  ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG ALA          
SEQRES  15 A  276  ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO ILE SER          
SEQRES  16 A  276  ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE          
SEQRES  17 A  276  TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY          
SEQRES  18 A  276  GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG          
SEQRES  19 A  276  PRO ALA GLY ASP ARG THR PHE GLN LYS TRP ALA ALA VAL          
SEQRES  20 A  276  VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS          
SEQRES  21 A  276  VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG          
SEQRES  22 A  276  TRP GLU PRO                                                  
SEQRES   1 B  100  MET ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG          
SEQRES   2 B  100  HIS PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS          
SEQRES   3 B  100  TYR VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP          
SEQRES   4 B  100  LEU LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS          
SEQRES   5 B  100  SER ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU          
SEQRES   6 B  100  LEU TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU          
SEQRES   7 B  100  TYR ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO          
SEQRES   8 B  100  LYS ILE VAL LYS TRP ASP ARG ASP MET                          
SEQRES   1 C    9  ARG ARG LYS TRP CIR ARG TRP HIS LEU                          
MODRES 3B3I CIR C    5  ARG  CITRULLINE                                         
HET    CIR  C   5      11                                                       
HET    GOL  A 277       6                                                       
HET    GOL  A 278       6                                                       
HET    GOL  A 279       6                                                       
HET    GOL  A 280       6                                                       
HET    GOL  B 100       6                                                       
HET    GOL  B 101       6                                                       
HETNAM     CIR CITRULLINE                                                       
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  CIR    C6 H13 N3 O3                                                 
FORMUL   4  GOL    6(C3 H8 O3)                                                  
FORMUL  10  HOH   *428(H2 O)                                                    
HELIX    1   1 ALA A   49  GLU A   53  5                                   5    
HELIX    2   2 GLY A   56  TYR A   85  1                                  30    
HELIX    3   3 ASP A  137  ALA A  150  1                                  14    
HELIX    4   4 ARG A  151  GLY A  162  1                                  12    
HELIX    5   5 GLY A  162  GLY A  175  1                                  14    
HELIX    6   6 GLY A  175  GLN A  180  1                                   6    
HELIX    7   7 THR A  225  THR A  228  5                                   4    
HELIX    8   8 GLU A  253  GLN A  255  5                                   3    
SHEET    1   A 8 GLU A  46  PRO A  47  0                                        
SHEET    2   A 8 THR A  31  ASP A  37 -1  N  ARG A  35   O  GLU A  46           
SHEET    3   A 8 ARG A  21  VAL A  28 -1  N  GLY A  26   O  PHE A  33           
SHEET    4   A 8 HIS A   3  VAL A  12 -1  N  ARG A   6   O  TYR A  27           
SHEET    5   A 8 THR A  94  VAL A 103 -1  O  VAL A 103   N  HIS A   3           
SHEET    6   A 8 LEU A 109  TYR A 118 -1  O  LEU A 110   N  ASP A 102           
SHEET    7   A 8 LYS A 121  LEU A 126 -1  O  LEU A 126   N  HIS A 114           
SHEET    8   A 8 TRP A 133  ALA A 135 -1  O  THR A 134   N  ALA A 125           
SHEET    1   B 4 LYS A 186  PRO A 193  0                                        
SHEET    2   B 4 GLU A 198  PHE A 208 -1  O  TRP A 204   N  HIS A 188           
SHEET    3   B 4 PHE A 241  PRO A 250 -1  O  ALA A 245   N  CYS A 203           
SHEET    4   B 4 GLU A 229  LEU A 230 -1  N  GLU A 229   O  ALA A 246           
SHEET    1   C 4 LYS A 186  PRO A 193  0                                        
SHEET    2   C 4 GLU A 198  PHE A 208 -1  O  TRP A 204   N  HIS A 188           
SHEET    3   C 4 PHE A 241  PRO A 250 -1  O  ALA A 245   N  CYS A 203           
SHEET    4   C 4 ARG A 234  PRO A 235 -1  N  ARG A 234   O  GLN A 242           
SHEET    1   D 4 GLU A 222  ASP A 223  0                                        
SHEET    2   D 4 THR A 214  ARG A 219 -1  N  ARG A 219   O  GLU A 222           
SHEET    3   D 4 TYR A 257  GLN A 262 -1  O  HIS A 260   N  THR A 216           
SHEET    4   D 4 LEU A 270  LEU A 272 -1  O  LEU A 272   N  CYS A 259           
SHEET    1   E 4 LYS B   6  SER B  11  0                                        
SHEET    2   E 4 ASN B  21  PHE B  30 -1  O  ASN B  24   N  TYR B  10           
SHEET    3   E 4 PHE B  62  PHE B  70 -1  O  THR B  68   N  LEU B  23           
SHEET    4   E 4 GLU B  50  HIS B  51 -1  N  GLU B  50   O  TYR B  67           
SHEET    1   F 4 LYS B   6  SER B  11  0                                        
SHEET    2   F 4 ASN B  21  PHE B  30 -1  O  ASN B  24   N  TYR B  10           
SHEET    3   F 4 PHE B  62  PHE B  70 -1  O  THR B  68   N  LEU B  23           
SHEET    4   F 4 SER B  55  PHE B  56 -1  N  SER B  55   O  TYR B  63           
SHEET    1   G 4 GLU B  44  ARG B  45  0                                        
SHEET    2   G 4 GLU B  36  LYS B  41 -1  N  LYS B  41   O  GLU B  44           
SHEET    3   G 4 TYR B  78  ASN B  83 -1  O  ARG B  81   N  ASP B  38           
SHEET    4   G 4 LYS B  91  LYS B  94 -1  O  LYS B  91   N  VAL B  82           
SSBOND   1 CYS A  101    CYS A  164                          1555   1555  2.05  
SSBOND   2 CYS A  203    CYS A  259                          1555   1555  2.01  
SSBOND   3 CYS B   25    CYS B   80                          1555   1555  2.05  
LINK         C   TRP C   4                 N   CIR C   5     1555   1555  1.33  
LINK         C   CIR C   5                 N   ARG C   6     1555   1555  1.33  
CISPEP   1 TYR A  209    PRO A  210          0         0.34                     
CISPEP   2 HIS B   31    PRO B   32          0        -4.16                     
SITE     1 AC1  6 ARG A 234  GLN A 242  SER B  11  HIS B  13                    
SITE     2 AC1  6 PRO B  14  HOH B 154                                          
SITE     1 AC2  5 TYR B  26  TYR B  63  HOH B 123  HOH B 128                    
SITE     2 AC2  5 HOH B 215                                                     
SITE     1 AC3  5 GLY A  16  GLY A  18  LEU A 110  HOH A 301                    
SITE     2 AC3  5 HOH A 399                                                     
SITE     1 AC4  9 ARG A  21  ILE A  23  HIS B  51  ASP B  53                    
SITE     2 AC4  9 LEU B  54  HOH B 108  HOH B 113  HOH B 137                    
SITE     3 AC4  9 HOH B 165                                                     
SITE     1 AC5  7 PHE A  36  SER A  38  LYS A  68  GLN A  72                    
SITE     2 AC5  7 ILE A 194  HOH A 299  HOH A 508                               
SITE     1 AC6  5 ARG A  62  GLU A 163  ARG C   2  LYS C   3                    
SITE     2 AC6  5 TRP C   4                                                     
CRYST1   51.343   82.303  109.279  90.00  90.00  90.00 P 21 21 21    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      0.019477  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012150  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009151        0.00000