HEADER    IMMUNE SYSTEM                           15-FEB-20   6Y2A              
TITLE     CRYSTAL STRUCTURE OF HLA-B2705 COMPLEXED WITH THE NONA-PEPTIDE MQ     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MHC CLASS I ANTIGEN;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: BETA-2-MICROGLOBULIN;                                      
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: MQ;                                                        
COMPND  11 CHAIN: C;                                                            
COMPND  12 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;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PHN1;                                     
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 GENE: B2M, CDABP0092, HDCMA22P;                                      
SOURCE  15 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  18 EXPRESSION_SYSTEM_PLASMID: PHN1;                                     
SOURCE  19 MOL_ID: 3;                                                           
SOURCE  20 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  21 ORGANISM_TAXID: 32630;                                               
SOURCE  22 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT;                              
SOURCE  23 EXPRESSION_SYSTEM_TAXID: 32630                                       
KEYWDS    IMMUNE SYSTEM-COMPLEX, IMMUNE SYSTEM, MHC MAJOR HISTOCOMPATIBILITY    
KEYWDS   2 COMPLEX, HLA- B*2705                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.LOLL,C.RUECKERT,B.-U.ZIEGLER,A.ZIEGLER                              
REVDAT   3   16-OCT-24 6Y2A    1       REMARK                                   
REVDAT   2   24-JAN-24 6Y2A    1       REMARK                                   
REVDAT   1   23-DEC-20 6Y2A    0                                                
JRNL        AUTH   B.LOLL,C.RUECKERT,B.-U.ZIEGLER,A.ZIEGLER                     
JRNL        TITL   A CENTRAL PEPTIDE RESIDUE CAN CONTROL MHC                    
JRNL        TITL 2 POLYMORPHISM-DEPENDENT ANTIGEN PRESENTATION                  
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.25 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.15.2_3472                                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.92                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 125217                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.131                           
REMARK   3   R VALUE            (WORKING SET) : 0.129                           
REMARK   3   FREE R VALUE                     : 0.155                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 6261                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 27.9200 -  3.8800    0.99     4282   226  0.1550 0.1671        
REMARK   3     2  3.8800 -  3.0800    1.00     4173   220  0.1354 0.1366        
REMARK   3     3  3.0800 -  2.6900    1.00     4104   215  0.1343 0.1573        
REMARK   3     4  2.6900 -  2.4500    1.00     4097   216  0.1290 0.1621        
REMARK   3     5  2.4500 -  2.2700    1.00     4085   215  0.1214 0.1510        
REMARK   3     6  2.2700 -  2.1400    1.00     4069   214  0.1158 0.1402        
REMARK   3     7  2.1400 -  2.0300    1.00     4045   213  0.1146 0.1270        
REMARK   3     8  2.0300 -  1.9400    1.00     4070   214  0.1132 0.1445        
REMARK   3     9  1.9400 -  1.8700    1.00     4041   213  0.1143 0.1503        
REMARK   3    10  1.8700 -  1.8000    1.00     4023   212  0.1176 0.1590        
REMARK   3    11  1.8000 -  1.7500    1.00     4055   213  0.1128 0.1459        
REMARK   3    12  1.7500 -  1.7000    1.00     4003   211  0.1089 0.1366        
REMARK   3    13  1.7000 -  1.6500    1.00     4046   213  0.1068 0.1432        
REMARK   3    14  1.6500 -  1.6100    1.00     4007   211  0.1034 0.1294        
REMARK   3    15  1.6100 -  1.5700    1.00     4055   213  0.1008 0.1335        
REMARK   3    16  1.5700 -  1.5400    1.00     3986   210  0.1082 0.1344        
REMARK   3    17  1.5400 -  1.5100    1.00     4017   211  0.1077 0.1621        
REMARK   3    18  1.5100 -  1.4800    1.00     4051   214  0.1148 0.1657        
REMARK   3    19  1.4800 -  1.4600    1.00     3984   209  0.1184 0.1697        
REMARK   3    20  1.4600 -  1.4300    1.00     4064   214  0.1225 0.1489        
REMARK   3    21  1.4300 -  1.4100    1.00     3981   210  0.1216 0.1503        
REMARK   3    22  1.4100 -  1.3900    1.00     3989   210  0.1304 0.1816        
REMARK   3    23  1.3900 -  1.3700    1.00     4004   210  0.1438 0.1825        
REMARK   3    24  1.3700 -  1.3500    0.99     3983   210  0.1479 0.1653        
REMARK   3    25  1.3500 -  1.3300    0.99     3971   209  0.1577 0.1971        
REMARK   3    26  1.3300 -  1.3100    0.99     3966   209  0.1675 0.1983        
REMARK   3    27  1.3100 -  1.2900    0.95     3807   200  0.1816 0.2350        
REMARK   3    28  1.2900 -  1.2800    0.91     3634   191  0.1901 0.2089        
REMARK   3    29  1.2800 -  1.2600    0.83     3337   176  0.1924 0.2213        
REMARK   3    30  1.2600 -  1.2500    0.76     3027   159  0.2140 0.2255        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.098            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 13.177           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.58                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.19                          
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.014           3607                                  
REMARK   3   ANGLE     :  1.400           4919                                  
REMARK   3   CHIRALITY :  0.112            511                                  
REMARK   3   PLANARITY :  0.010            650                                  
REMARK   3   DIHEDRAL  : 15.897           1418                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6Y2A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-FEB-20.                  
REMARK 100 THE DEPOSITION ID IS D_1292106671.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-SEP-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.933                              
REMARK 200  MONOCHROMATOR                  : SI111                              
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 125218                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.250                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.35                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.10                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 2A83                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.96                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V) PEG8000, 150 MM NACL AND 100   
REMARK 280  MM TRIS-HCL, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE     
REMARK 280  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       25.44500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.80500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.16000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.80500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.44500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.16000            
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: 5580 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19020 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL                        
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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   619     O    HOH A   642              2.17            
REMARK 500   O    HOH A   642     O    HOH A   754              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TYR A 113   CE2   TYR A 113   CD2     0.098                       
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    ARG A  14       71.33   -151.08                                   
REMARK 500    ASP A  29     -129.81     54.00                                   
REMARK 500    HIS A 114      110.76   -160.24                                   
REMARK 500    SER A 131      -20.96   -141.48                                   
REMARK 500    GLN A 224       44.47   -103.25                                   
REMARK 500    ARG A 239      -24.09     90.95                                   
REMARK 500    SER A 251      134.12    -39.04                                   
REMARK 500    TRP B  60      -11.02     76.98                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 903        DISTANCE =  5.85 ANGSTROMS                       
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 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 304                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 101                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6Y26   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6Y27   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6Y28   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6Y29   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6Y2B   RELATED DB: PDB                                   
DBREF  6Y2A A    1   276  UNP    A3F718   A3F718_HUMAN    11    286             
DBREF  6Y2A B    1    99  UNP    P61769   B2MG_HUMAN      21    119             
DBREF  6Y2A C    1     9  PDB    6Y2A     6Y2A             1      9             
SEQADV 6Y2A 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 ASP 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  GLY ARG LEU ASN GLN PRO ILE LYS VAL                          
HET    GOL  A 301      14                                                       
HET    GOL  A 302      13                                                       
HET    GOL  A 303      28                                                       
HET    GOL  A 304      14                                                       
HET    GOL  B 101      14                                                       
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   4  GOL    5(C3 H8 O3)                                                  
FORMUL   9  HOH   *702(H2 O)                                                    
HELIX    1 AA1 ALA A   49  GLU A   53  5                                   5    
HELIX    2 AA2 GLY A   56  TYR A   85  1                                  30    
HELIX    3 AA3 ASP A  137  ALA A  150  1                                  14    
HELIX    4 AA4 ARG A  151  GLY A  162  1                                  12    
HELIX    5 AA5 GLY A  162  GLY A  175  1                                  14    
HELIX    6 AA6 THR A  225  THR A  228  5                                   4    
HELIX    7 AA7 GLU A  253  GLN A  255  5                                   3    
SHEET    1 AA1 8 GLU A  46  PRO A  47  0                                        
SHEET    2 AA1 8 THR A  31  ASP A  37 -1  N  ARG A  35   O  GLU A  46           
SHEET    3 AA1 8 ARG A  21  VAL A  28 -1  N  GLY A  26   O  PHE A  33           
SHEET    4 AA1 8 HIS A   3  VAL A  12 -1  N  ARG A   6   O  TYR A  27           
SHEET    5 AA1 8 THR A  94  VAL A 103 -1  O  VAL A 103   N  HIS A   3           
SHEET    6 AA1 8 LEU A 109  TYR A 118 -1  O  LEU A 110   N  ASP A 102           
SHEET    7 AA1 8 LYS A 121  LEU A 126 -1  O  LEU A 126   N  HIS A 114           
SHEET    8 AA1 8 TRP A 133  ALA A 135 -1  O  THR A 134   N  ALA A 125           
SHEET    1 AA2 4 LYS A 186  SER A 195  0                                        
SHEET    2 AA2 4 GLU A 198  PHE A 208 -1  O  TRP A 204   N  HIS A 188           
SHEET    3 AA2 4 PHE A 241  PRO A 250 -1  O  VAL A 249   N  ALA A 199           
SHEET    4 AA2 4 GLU A 229  LEU A 230 -1  N  GLU A 229   O  ALA A 246           
SHEET    1 AA3 4 LYS A 186  SER A 195  0                                        
SHEET    2 AA3 4 GLU A 198  PHE A 208 -1  O  TRP A 204   N  HIS A 188           
SHEET    3 AA3 4 PHE A 241  PRO A 250 -1  O  VAL A 249   N  ALA A 199           
SHEET    4 AA3 4 ARG A 234  PRO A 235 -1  N  ARG A 234   O  GLN A 242           
SHEET    1 AA4 4 GLU A 222  ASP A 223  0                                        
SHEET    2 AA4 4 THR A 214  ARG A 219 -1  N  ARG A 219   O  GLU A 222           
SHEET    3 AA4 4 TYR A 257  GLN A 262 -1  O  HIS A 260   N  THR A 216           
SHEET    4 AA4 4 LEU A 270  LEU A 272 -1  O  LEU A 272   N  CYS A 259           
SHEET    1 AA5 4 LYS B   6  SER B  11  0                                        
SHEET    2 AA5 4 ASN B  21  PHE B  30 -1  O  ASN B  24   N  TYR B  10           
SHEET    3 AA5 4 PHE B  62  PHE B  70 -1  O  THR B  68   N  LEU B  23           
SHEET    4 AA5 4 GLU B  50  HIS B  51 -1  N  GLU B  50   O  TYR B  67           
SHEET    1 AA6 4 LYS B   6  SER B  11  0                                        
SHEET    2 AA6 4 ASN B  21  PHE B  30 -1  O  ASN B  24   N  TYR B  10           
SHEET    3 AA6 4 PHE B  62  PHE B  70 -1  O  THR B  68   N  LEU B  23           
SHEET    4 AA6 4 SER B  55  PHE B  56 -1  N  SER B  55   O  TYR B  63           
SHEET    1 AA7 4 GLU B  44  ARG B  45  0                                        
SHEET    2 AA7 4 GLU B  36  LYS B  41 -1  N  LYS B  41   O  GLU B  44           
SHEET    3 AA7 4 TYR B  78  ASN B  83 -1  O  ALA B  79   N  LEU B  40           
SHEET    4 AA7 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  2.14  
SSBOND   2 CYS A  203    CYS A  259                          1555   1555  2.05  
SSBOND   3 CYS B   25    CYS B   80                          1555   1555  2.04  
CISPEP   1 TYR A  209    PRO A  210          0        -0.26                     
CISPEP   2 HIS B   31    PRO B   32          0        -2.64                     
SITE     1 AC1 11 PHE A   8  TYR A  27  ASP A  29  ASP A  30                    
SITE     2 AC1 11 HOH A 403  HOH A 418  HOH A 571  HOH A 670                    
SITE     3 AC1 11 HOH A 695  TYR B  63  HOH B 201                               
SITE     1 AC2  9 LYS A 146  TRP A 147  ALA A 150  HOH A 414                    
SITE     2 AC2  9 HOH A 625  HOH A 735  PRO C   6  ILE C   7                    
SITE     3 AC2  9 LYS C   8                                                     
SITE     1 AC3  5 GLU A 163  GLU A 166  TRP A 167  HOH A 759                    
SITE     2 AC3  5 HOH A 772                                                     
SITE     1 AC4  8 GLN A 115  ASP A 122  GLU A 253  ARG A 256                    
SITE     2 AC4  8 HOH A 482  HOH A 488  HOH A 560  HOH A 566                    
SITE     1 AC5  8 ASP B  76  TRP B  95  ASP B  96  ARG B  97                    
SITE     2 AC5  8 HOH B 230  HOH B 252  HOH B 325  HOH B 332                    
CRYST1   50.890   82.320  109.610  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      0.019650  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012148  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009123        0.00000