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Database: PDB
Entry: 4NSK
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Original site: 4NSK 
HEADER    IMMUNE SYSTEM/PEPTIDE                   28-NOV-13   4NSK              
TITLE     CRYSTAL STRUCTURE OF THE MURINE CLASS I MAJOR HISTOCOMPATIBILITY      
TITLE    2 COMPLEX H-2DB IN COMPLEX WITH LCMV-DERIVED GP33 ALTERED PEPTIDE      
TITLE    3 LIGAND V3P                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: H-2 CLASS I HISTOCOMPATIBILITY ANTIGEN, D-B ALPHA CHAIN;   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: H-2D(B);                                                    
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: BETA-2-MICROGLOBULIN;                                      
COMPND   8 CHAIN: B;                                                            
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MOL_ID: 3;                                                           
COMPND  11 MOLECULE: PRE-GLYCOPROTEIN POLYPROTEIN GP;                           
COMPND  12 CHAIN: C;                                                            
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: MOUSE;                                              
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 GENE: H2-D1;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET3A;                                    
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE  13 ORGANISM_COMMON: MOUSE;                                              
SOURCE  14 ORGANISM_TAXID: 10090;                                               
SOURCE  15 GENE: B2M;                                                           
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PET3A;                                    
SOURCE  21 MOL_ID: 3;                                                           
SOURCE  22 SYNTHETIC: YES;                                                      
SOURCE  23 OTHER_DETAILS: PEPTIDE GP33 FROM GLYCOPROTEIN OF LYMPHOCYTIC         
SOURCE  24 CHORIOMENINGITIS VIRUS                                               
KEYWDS    MURINE MHC, LCMV, RECEPTOR BINDING, BETA2-MICROGLOBULIN, IMMUNE       
KEYWDS   2 SYSTEM, T CELL RECOGNITION, ANTIGEN PRESENTATION, ALTERED PEPTIDE    
KEYWDS   3 LIGAND, AGONISM, ANTAGONISM, T CELL RECEPTOR, CD8, CELL SURFACE,     
KEYWDS   4 IMMUNE SYSTEM-PEPTIDE COMPLEX                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.B.ALLERBRING,A.D.DURU,H.UCHTENHAGEN,P.A.MAZUMDAR,D.BADIA-MARTINEZ,  
AUTHOR   2 C.MADHURANTAKAM,T.SANDALOVA,P.NYGREN,A.ACHOUR                        
REVDAT   2   20-SEP-23 4NSK    1       SEQADV                                   
REVDAT   1   01-JAN-14 4NSK    0                                                
SPRSDE     01-JAN-14 4NSK      3TBX                                             
JRNL        AUTH   E.B.ALLERBRING,A.D.DURU,H.UCHTENHAGEN,P.A.MAZUMDAR,          
JRNL        AUTH 2 D.BADIA-MARTINEZ,C.MADHURANTAKAM,T.SANDALOVA,P.NYGREN,       
JRNL        AUTH 3 A.ACHOUR                                                     
JRNL        TITL   CRYSTAL STRUCTURE OF THE MURINE CLASS I MAJOR                
JRNL        TITL 2 HISTOCOMPATIBILITY COMPLEX H-2DB IN COMPLEX WITH             
JRNL        TITL 3 LCMV-DERIVED GP33 ALTERED PEPTIDE LIGAND V3P                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0102                                      
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) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.09                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 13636                          
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) : 0.219                           
REMARK   3   R VALUE            (WORKING SET) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.283                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 721                             
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) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.67                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 984                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.67                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3000                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 56                           
REMARK   3   BIN FREE R VALUE                    : 0.3560                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3142                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 45                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 50.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.46                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.06000                                              
REMARK   3    B22 (A**2) : -0.09000                                             
REMARK   3    B33 (A**2) : 0.06000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.03000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 1.086         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.362         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.302         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 14.495        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.928                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.874                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3239 ; 0.011 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2244 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4397 ; 1.319 ; 1.937       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5418 ; 0.839 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   378 ; 7.198 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   169 ;36.330 ;23.609       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   533 ;19.642 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    24 ;20.013 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   440 ; 0.078 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3603 ; 0.005 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   688 ; 0.001 ; 0.020       
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):  1908 ; 0.603 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   760 ; 0.070 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3078 ; 1.134 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1331 ; 1.227 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1319 ; 2.130 ; 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 : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
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 4NSK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-DEC-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000083602.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-DEC-07                          
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                       : ID23-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.826                              
REMARK 200  MONOCHROMATOR                  : MONOCHROMATOR SI (111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14534                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.570                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 54.900                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.0                               
REMARK 200  DATA REDUNDANCY                : 2.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.10000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.57                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.71                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.55200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1S7U                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.62                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6-1.8 M AMMONIUM SULFATE, 0.1 M TRIS   
REMARK 280  HCL PH 7.0-9.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       45.23000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       54.27000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       45.23000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       54.27000            
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: 4180 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19240 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 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 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     LEU A   224                                                      
REMARK 465     THR A   225                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   301     O    HOH A   301     2555     1.75            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
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   ATM2   ATM3                                     
REMARK 500    ASP A  39   CB  -  CA  -  C   ANGL. DEV. = -29.4 DEGREES          
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       43.41     36.88                                   
REMARK 500    ASN A  30      -13.70     72.55                                   
REMARK 500    TRP A  51        9.70    -69.52                                   
REMARK 500    LEU A 110      -60.56   -101.87                                   
REMARK 500    LEU A 114       97.88   -160.08                                   
REMARK 500    TYR A 123      -60.45   -123.98                                   
REMARK 500    ARG A 194      -57.87   -138.70                                   
REMARK 500    SER A 195     -164.36   -124.60                                   
REMARK 500    PRO A 210     -178.66    -66.94                                   
REMARK 500    LEU A 219       62.60   -101.20                                   
REMARK 500    ASN A 220      -54.66     70.18                                   
REMARK 500    GLU A 222      117.55   -162.39                                   
REMARK 500    LYS A 253       45.95    -80.38                                   
REMARK 500    HIS B  31      132.39   -170.56                                   
REMARK 500    LYS B  48       40.62   -103.67                                   
REMARK 500    TRP B  60       -6.10     81.16                                   
REMARK 500    PHE C   6     -113.43   -111.76                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 ASP A   39     ALA A   40                  148.52                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1S7U   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_WT (KAVYNFATM)                                            
REMARK 900 RELATED ID: 1S7V   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_F6L (KAVYNLATM)                                           
REMARK 900 RELATED ID: 1S7W   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_V3L (KALYNFATM)                                           
REMARK 900 RELATED ID: 1S7X   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_Y4F (KAVFNFATM)                                           
REMARK 900 RELATED ID: 3QUK   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_Y4A (KAVANFATM)                                           
REMARK 900 RELATED ID: 3QUL   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_Y4S (KAVSNFATM)                                           
REMARK 900 RELATED ID: 3TBS   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_V3P,Y4A (KAVANFATM)                                       
REMARK 900 RELATED ID: 3TBT   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_V3P,Y4S (KAPSNFATM)                                       
REMARK 900 RELATED ID: 3TBW   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_A2G,V3P,Y4S(KGPSNFATM)                                    
REMARK 900 RELATED ID: 3TBV   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_A2G,V3P,Y4A(KGPANFATM)                                    
REMARK 900 RELATED ID: 3TBY   RELATED DB: PDB                                   
REMARK 900 H-2DB/GP33_V3P,Y4F(KAPFNFATM)                                        
DBREF  4NSK A    1   276  UNP    P01899   HA11_MOUSE      25    300             
DBREF  4NSK B    1    99  UNP    P01887   B2MG_MOUSE      21    119             
DBREF  4NSK C    1     9  PDB    4NSK     4NSK             1      9             
SEQADV 4NSK ASP B   85  UNP  P01887    ALA   105 CONFLICT                       
SEQRES   1 A  276  GLY PRO HIS SER MET ARG TYR PHE GLU THR ALA VAL SER          
SEQRES   2 A  276  ARG PRO GLY LEU GLU GLU PRO ARG TYR ILE SER VAL GLY          
SEQRES   3 A  276  TYR VAL ASP ASN LYS GLU PHE VAL ARG PHE ASP SER ASP          
SEQRES   4 A  276  ALA GLU ASN PRO ARG TYR GLU PRO ARG ALA PRO TRP MET          
SEQRES   5 A  276  GLU GLN GLU GLY PRO GLU TYR TRP GLU ARG GLU THR GLN          
SEQRES   6 A  276  LYS ALA LYS GLY GLN GLU GLN TRP PHE ARG VAL SER LEU          
SEQRES   7 A  276  ARG ASN LEU LEU GLY TYR TYR ASN GLN SER ALA GLY GLY          
SEQRES   8 A  276  SER HIS THR LEU GLN GLN MET SER GLY CYS ASP LEU GLY          
SEQRES   9 A  276  SER ASP TRP ARG LEU LEU ARG GLY TYR LEU GLN PHE ALA          
SEQRES  10 A  276  TYR GLU GLY ARG ASP TYR ILE ALA LEU ASN GLU ASP LEU          
SEQRES  11 A  276  LYS THR TRP THR ALA ALA ASP MET ALA ALA GLN ILE THR          
SEQRES  12 A  276  ARG ARG LYS TRP GLU GLN SER GLY ALA ALA GLU HIS TYR          
SEQRES  13 A  276  LYS ALA TYR LEU GLU GLY GLU CYS VAL GLU TRP LEU HIS          
SEQRES  14 A  276  ARG TYR LEU LYS ASN GLY ASN ALA THR LEU LEU ARG THR          
SEQRES  15 A  276  ASP SER PRO LYS ALA HIS VAL THR HIS HIS PRO ARG SER          
SEQRES  16 A  276  LYS GLY GLU VAL THR LEU ARG CYS TRP ALA LEU GLY PHE          
SEQRES  17 A  276  TYR PRO ALA ASP ILE THR LEU THR TRP GLN LEU ASN GLY          
SEQRES  18 A  276  GLU GLU LEU THR GLN ASP MET GLU LEU VAL GLU THR ARG          
SEQRES  19 A  276  PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA SER VAL          
SEQRES  20 A  276  VAL VAL PRO LEU GLY LYS GLU GLN ASN TYR THR CYS ARG          
SEQRES  21 A  276  VAL TYR HIS GLU GLY LEU PRO GLU PRO LEU THR LEU ARG          
SEQRES  22 A  276  TRP GLU PRO                                                  
SEQRES   1 B   99  ILE GLN LYS THR PRO GLN ILE GLN VAL TYR SER ARG HIS          
SEQRES   2 B   99  PRO PRO GLU ASN GLY LYS PRO ASN ILE LEU ASN CYS TYR          
SEQRES   3 B   99  VAL THR GLN PHE HIS PRO PRO HIS ILE GLU ILE GLN MET          
SEQRES   4 B   99  LEU LYS ASN GLY LYS LYS ILE PRO LYS VAL GLU MET SER          
SEQRES   5 B   99  ASP MET SER PHE SER LYS ASP TRP SER PHE TYR ILE LEU          
SEQRES   6 B   99  ALA HIS THR GLU PHE THR PRO THR GLU THR ASP THR TYR          
SEQRES   7 B   99  ALA CYS ARG VAL LYS HIS ASP SER MET ALA GLU PRO LYS          
SEQRES   8 B   99  THR VAL TYR TRP ASP ARG ASP MET                              
SEQRES   1 C    9  LYS ALA PRO TYR ASN PHE ALA THR MET                          
FORMUL   4  HOH   *45(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  SER A  150  1                                  14    
HELIX    4   4 GLY A  151  GLY A  162  1                                  12    
HELIX    5   5 GLY A  162  GLY A  175  1                                  14    
HELIX    6   6 GLY A  175  ARG A  181  1                                   7    
SHEET    1   A 8 TYR A  45  PRO A  47  0                                        
SHEET    2   A 8 LYS 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  SER A  24   O  PHE A  36           
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  LEU A 103 -1  O  LEU 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 ARG A 121  LEU A 126 -1  O  LEU A 126   N  LEU 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  VAL A 249   N  VAL A 199           
SHEET    4   B 4 ARG A 234  PRO A 235 -1  N  ARG A 234   O  GLN A 242           
SHEET    1   C 3 THR A 214  LEU A 219  0                                        
SHEET    2   C 3 TYR A 257  TYR A 262 -1  O  THR A 258   N  GLN A 218           
SHEET    3   C 3 LEU A 270  LEU A 272 -1  O  LEU A 272   N  CYS A 259           
SHEET    1   D 4 GLN B   6  SER B  11  0                                        
SHEET    2   D 4 ASN B  21  PHE B  30 -1  O  ASN B  24   N  TYR B  10           
SHEET    3   D 4 PHE B  62  PHE B  70 -1  O  ALA B  66   N  CYS B  25           
SHEET    4   D 4 GLU B  50  MET B  51 -1  N  GLU B  50   O  HIS B  67           
SHEET    1   E 4 GLN 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  ALA B  66   N  CYS B  25           
SHEET    4   E 4 SER B  55  PHE B  56 -1  N  SER B  55   O  TYR B  63           
SHEET    1   F 4 LYS B  44  LYS B  45  0                                        
SHEET    2   F 4 GLU B  36  LYS B  41 -1  N  LYS B  41   O  LYS B  44           
SHEET    3   F 4 TYR B  78  LYS B  83 -1  O  ARG B  81   N  GLN B  38           
SHEET    4   F 4 LYS B  91  TYR B  94 -1  O  LYS B  91   N  VAL B  82           
SSBOND   1 CYS A  101    CYS A  164                          1555   1555  2.04  
SSBOND   2 CYS A  203    CYS A  259                          1555   1555  2.02  
SSBOND   3 CYS B   25    CYS B   80                          1555   1555  2.03  
CISPEP   1 GLY A    1    PRO A    2          0        13.43                     
CISPEP   2 LYS A  196    GLY A  197          0        -1.20                     
CISPEP   3 TYR A  209    PRO A  210          0        -1.25                     
CISPEP   4 HIS B   31    PRO B   32          0         5.57                     
CRYST1   90.460  108.540   57.390  90.00 122.43  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011055  0.000000  0.007023        0.00000                         
SCALE2      0.000000  0.009213  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020644        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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