PDB Short entry for 3MRK
HEADER    IMMUNE SYSTEM                           29-APR-10   3MRK              
TITLE     CRYSTAL STRUCTURE OF MHC CLASS I HLA-A2 MOLECULE COMPLEXED WITH AFP137
TITLE    2 NONAPEPTIDE                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, A-2 ALPHA CHAIN;   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: HLA-A*0201 ALPHA CHAIN, UNP RESIUDE 25-300;                
COMPND   5 SYNONYM: MHC CLASS I ANTIGEN A*2;                                    
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: BETA-2-MICROGLOBULIN;                                      
COMPND  10 CHAIN: B;                                                            
COMPND  11 SYNONYM: BETA-2-MICROGLOBULIN FORM PI 5.3;                           
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: 9-MERIC PEPTIDE FROM ALPHA-FETOPROTEIN;                    
COMPND  15 CHAIN: P;                                                            
COMPND  16 FRAGMENT: UNP RESIDUES 137-145;                                      
COMPND  17 SYNONYM: ALPHA-1-FETOPROTEIN, ALPHA-FETOGLOBULIN;                    
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, HLA-A, HLAA;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: X90F LAQQ1;                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PHN1;                                     
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  13 ORGANISM_COMMON: HUMAN;                                              
SOURCE  14 ORGANISM_TAXID: 9606;                                                
SOURCE  15 GENE: B2M, BETA-2 MICROGLUBULIN, CDABP0092, HDCMA22P;                
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: X90F LAQQ1;                                
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PHN1;                                     
SOURCE  21 MOL_ID: 3;                                                           
SOURCE  22 SYNTHETIC: YES;                                                      
SOURCE  23 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  24 ORGANISM_COMMON: HUMAN;                                              
SOURCE  25 ORGANISM_TAXID: 9606;                                                
SOURCE  26 OTHER_DETAILS: CHEMICAL SYNTHESIS                                    
KEYWDS    MHC CLASS I, HLA, IMMUNE SYSTEM, IMMUNE RESPONSE, NONAPEPTIDE,        
KEYWDS   2 TUMORAL PEPTIDE, ALPHA-FETOPROTEIN                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.GRAS,A.CHOUQUET,E.DEBEAUPUIS,K.ECHASSERIEAU,X.SAULQUIN,             
AUTHOR   2 M.BONNEVILLE,D.HOUSSET                                               
REVDAT   1   25-MAY-11 3MRK    0                                                
JRNL        AUTH   S.GRAS,A.CHOUQUET,E.DEBEAUPUIS,K.ECHASSERIEAU,X.SAULQUIN,    
JRNL        AUTH 2 M.BONNEVILLE,D.HOUSSET                                       
JRNL        TITL   CRYSTAL STRUCTURE OF MHC CLASS I HLA-A2 MOLECULE COMPLEXED   
JRNL        TITL 2 WITH AFP137 NONAPEPTIDE                                      
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0044                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 81.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 66692                          
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) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.200                           
REMARK   3   FREE R VALUE                     : 0.232                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 6738                            
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) : 1.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.44                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4246                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 78.71                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2950                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 454                          
REMARK   3   BIN FREE R VALUE                    : 0.3110                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3140                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 299                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.52                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.52                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.06000                                             
REMARK   3    B22 (A**2) : -0.01000                                             
REMARK   3    B33 (A**2) : 0.03000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.05000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.089         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.046         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.186         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.953                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.936                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3453 ; 0.009 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4721 ; 1.247 ; 1.922       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   426 ; 5.950 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   183 ;29.930 ;23.115       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   561 ;13.844 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    31 ;16.872 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   476 ; 0.090 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2779 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  2050 ; 1.093 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3340 ; 1.859 ; 3.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1403 ; 1.875 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1380 ; 2.703 ; 4.000       
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 : BABINET MODEL WITH 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: U VALUES: REFINED INDIVIDUALLY; 10 TO     
REMARK   3  20 REFINEMENT CYCLES WITH ALL OBSERVED REFLECTIONS WERE PERFORMED   
REMARK   3  AT THE END OF THE REFINEMENT PROCEDURE, IN ORDER TO OBTAIN THE      
REMARK   3  MOST ACCURATE MODEL. RWORK AND RFREE VALUES CORRESPONDS TO THE      
REMARK   3  COORDINATES JUST BEFORE THESE VERY LAST CYCLES.                     
REMARK   4                                                                      
REMARK   4 3MRK COMPLIES WITH FORMAT V. 3.20, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-MAY-10.                  
REMARK 100 THE RCSB ID CODE IS RCSB058910.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-SEP-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.07225                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 69080                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 84.3                               
REMARK 200  DATA REDUNDANCY                : 2.270                              
REMARK 200  R MERGE                    (I) : 0.05500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5800                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.300                              
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 3GSO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 6000, 0.1M NACITRATE, 5MG/ML     
REMARK 280  PROTEIN CONC., PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE   
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       39.94500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4130 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19180 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, P                               
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     GLU A   275                                                      
REMARK 465     PRO A   276                                                      
REMARK 465     GLY A   277                                                      
REMARK 465     SER A   278                                                      
REMARK 465     LEU A   279                                                      
REMARK 465     HIS A   280                                                      
REMARK 465     HIS A   281                                                      
REMARK 465     ILE A   282                                                      
REMARK 465     LEU A   283                                                      
REMARK 465     ASP A   284                                                      
REMARK 465     ALA A   285                                                      
REMARK 465     GLN A   286                                                      
REMARK 465     LYS A   287                                                      
REMARK 465     MET A   288                                                      
REMARK 465     VAL A   289                                                      
REMARK 465     TRP A   290                                                      
REMARK 465     ASN A   291                                                      
REMARK 465     HIS A   292                                                      
REMARK 465     ARG A   293                                                      
REMARK 465     MET B    99                                                      
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 B   113     O    HOH B   216              2.03            
REMARK 500   O    HOH A   295     O    HOH A   494              2.05            
REMARK 500   OD2  ASP B    98     O    HOH B   188              2.12            
REMARK 500   O    LEU B    87     O    HOH B   313              2.19            
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    ASP A  29     -126.07     51.38                                   
REMARK 500    TYR A 123      -62.37   -120.75                                   
REMARK 500    LEU A 230       94.46   -162.16                                   
REMARK 500    SER B  20      151.94    -49.30                                   
REMARK 500    TRP B  60       -1.97     78.78                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3MR9   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(M5A) COMPLEX                                              
REMARK 900 RELATED ID: 3MRB   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(A7H) COMPLEX                                              
REMARK 900 RELATED ID: 3MRC   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(V6C) COMPLEX                                              
REMARK 900 RELATED ID: 3MRD   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(V6G) COMPLEX                                              
REMARK 900 RELATED ID: 3MRE   RELATED DB: PDB                                   
REMARK 900 HLA-A2/GLC COMPLEX                                                   
REMARK 900 RELATED ID: 3MRF   RELATED DB: PDB                                   
REMARK 900 HLA-A2/GLC(T4P) COMPLEX                                              
REMARK 900 RELATED ID: 3MRG   RELATED DB: PDB                                   
REMARK 900 HLA-A2/CIN COMPLEX                                                   
REMARK 900 RELATED ID: 3MRH   RELATED DB: PDB                                   
REMARK 900 HLA-A2/CIN(N3S) COMPLEX                                              
REMARK 900 RELATED ID: 3MRI   RELATED DB: PDB                                   
REMARK 900 HLA-A2/CIN(G4M-V5W) COMPLEX                                          
REMARK 900 RELATED ID: 3MRJ   RELATED DB: PDB                                   
REMARK 900 HLA-A2/CIN(V5M) COMPLEX                                              
REMARK 900 RELATED ID: 3MRL   RELATED DB: PDB                                   
REMARK 900 HLA-A2/CIN(C6V) COMPLEX                                              
REMARK 900 RELATED ID: 3MRM   RELATED DB: PDB                                   
REMARK 900 HLA-A2/KLV COMPLEX                                                   
REMARK 900 RELATED ID: 3MRN   RELATED DB: PDB                                   
REMARK 900 HLA-A2/LLF COMPLEX                                                   
REMARK 900 RELATED ID: 3MRO   RELATED DB: PDB                                   
REMARK 900 HLA-A2/ELA(I5W) COMPLEX                                              
REMARK 900 RELATED ID: 3MRP   RELATED DB: PDB                                   
REMARK 900 HLA-A2/ELA(I5L-L8N) COMPLEX                                          
REMARK 900 RELATED ID: 3MRQ   RELATED DB: PDB                                   
REMARK 900 HLA-A2/ELA(I5L-L8N) COMPLEX                                          
REMARK 900 RELATED ID: 3MRR   RELATED DB: PDB                                   
REMARK 900 HLA-A2/LLA COMPLEX                                                   
REMARK 900 RELATED ID: 3GSN   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV/RA14 TCR COMPLEX                                          
REMARK 900 RELATED ID: 3GSO   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV COMPLEX                                                   
REMARK 900 RELATED ID: 3GSQ   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(M5S) COMPLEX                                              
REMARK 900 RELATED ID: 3GSR   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(M5V) COMPLEX                                              
REMARK 900 RELATED ID: 3GSU   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(M5T) COMPLEX                                              
REMARK 900 RELATED ID: 3GSV   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(M5Q) COMPLEX                                              
REMARK 900 RELATED ID: 3GSW   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(T8A) COMPLEX                                              
REMARK 900 RELATED ID: 3GSX   RELATED DB: PDB                                   
REMARK 900 HLA-A2/NLV(T8V) COMPLEX                                              
DBREF  3MRK A    1   276  UNP    P01892   1A02_HUMAN      25    300             
DBREF  3MRK B    1    99  UNP    P61769   B2MG_HUMAN      21    119             
DBREF  3MRK P    1     9  UNP    P02771   FETA_HUMAN     137    145             
SEQADV 3MRK VAL A  245  UNP  P01892    ALA   269 ENGINEERED MUTATION            
SEQADV 3MRK GLY A  277  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK SER A  278  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK LEU A  279  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK HIS A  280  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK HIS A  281  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK ILE A  282  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK LEU A  283  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK ASP A  284  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK ALA A  285  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK GLN A  286  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK LYS A  287  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK MET A  288  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK VAL A  289  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK TRP A  290  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK ASN A  291  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK HIS A  292  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK ARG A  293  UNP  P01892              EXPRESSION TAG                 
SEQADV 3MRK MET B    0  UNP  P61769              EXPRESSION TAG                 
SEQRES   1 A  293  GLY SER HIS SER MET ARG TYR PHE PHE THR SER VAL SER          
SEQRES   2 A  293  ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA VAL GLY          
SEQRES   3 A  293  TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP          
SEQRES   4 A  293  ALA ALA SER GLN ARG MET GLU PRO ARG ALA PRO TRP ILE          
SEQRES   5 A  293  GLU GLN GLU GLY PRO GLU TYR TRP ASP GLY GLU THR ARG          
SEQRES   6 A  293  LYS VAL LYS ALA HIS SER GLN THR HIS ARG VAL ASP LEU          
SEQRES   7 A  293  GLY THR LEU ARG GLY TYR TYR ASN GLN SER GLU ALA GLY          
SEQRES   8 A  293  SER HIS THR VAL GLN ARG MET TYR GLY CYS ASP VAL GLY          
SEQRES   9 A  293  SER ASP TRP ARG PHE LEU ARG GLY TYR HIS GLN TYR ALA          
SEQRES  10 A  293  TYR ASP GLY LYS ASP TYR ILE ALA LEU LYS GLU ASP LEU          
SEQRES  11 A  293  ARG SER TRP THR ALA ALA ASP MET ALA ALA GLN THR THR          
SEQRES  12 A  293  LYS HIS LYS TRP GLU ALA ALA HIS VAL ALA GLU GLN LEU          
SEQRES  13 A  293  ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU ARG          
SEQRES  14 A  293  ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG THR          
SEQRES  15 A  293  ASP ALA PRO LYS THR HIS MET THR HIS HIS ALA VAL SER          
SEQRES  16 A  293  ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU SER PHE          
SEQRES  17 A  293  TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY          
SEQRES  18 A  293  GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG          
SEQRES  19 A  293  PRO ALA GLY ASP GLY THR PHE GLN LYS TRP VAL ALA VAL          
SEQRES  20 A  293  VAL VAL PRO SER GLY GLN GLU GLN ARG TYR THR CYS HIS          
SEQRES  21 A  293  VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG          
SEQRES  22 A  293  TRP GLU PRO GLY SER LEU HIS HIS ILE LEU ASP ALA GLN          
SEQRES  23 A  293  LYS MET VAL TRP ASN HIS ARG                                  
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 P    9  PRO LEU PHE GLN VAL PRO GLU PRO VAL                          
FORMUL   4  HOH   *299(H2 O)                                                    
HELIX    1   1 ALA A   49  GLU A   55  5                                   7    
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 HIS 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 GLN 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  TYR A  99   N  TYR A   7           
SHEET    6   A 8 PHE A 109  TYR A 118 -1  O  GLN A 115   N  MET A  98           
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  ALA A 193  0                                        
SHEET    2   B 4 GLU A 198  PHE A 208 -1  O  THR A 200   N  HIS A 192           
SHEET    3   B 4 PHE A 241  PRO A 250 -1  O  VAL A 245   N  CYS A 203           
SHEET    4   B 4 THR A 228  GLU A 229 -1  N  GLU A 229   O  ALA A 246           
SHEET    1   C 4 LYS A 186  ALA A 193  0                                        
SHEET    2   C 4 GLU A 198  PHE A 208 -1  O  THR A 200   N  HIS A 192           
SHEET    3   C 4 PHE A 241  PRO A 250 -1  O  VAL 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  GLN A 224  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  ARG A 273 -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  ASN B  83   N  GLU B  36           
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  2.05  
SSBOND   3 CYS B   25    CYS B   80                          1555   1555  2.01  
CISPEP   1 TYR A  209    PRO A  210          0         3.08                     
CISPEP   2 HIS B   31    PRO B   32          0         3.64                     
CRYST1   51.520   79.890   55.430  90.00 111.85  90.00 P 1 21 1      2          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.019410  0.000000  0.007783        0.00000                         
SCALE2      0.000000  0.012517  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019437        0.00000