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Database: PDB
Entry: 2SEB
LinkDB: 2SEB
Original site: 2SEB 
HEADER    COMPLEX (MHC CLASS II/SUPERANTIGEN)     16-OCT-97   2SEB              
TITLE     X-RAY CRYSTAL STRUCTURE OF HLA-DR4 COMPLEXED WITH A PEPTIDE FROM HUMAN
TITLE    2 COLLAGEN II                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN;                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: EXTRACELLULAR DOMAIN;                                      
COMPND   5 SYNONYM: HLA-DR4;                                                    
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN;                   
COMPND   9 CHAIN: B;                                                            
COMPND  10 FRAGMENT: EXTRACELLULAR DOMAIN;                                      
COMPND  11 SYNONYM: HLA-DR4;                                                    
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: ENTEROTOXIN TYPE B;                                        
COMPND  15 CHAIN: D;                                                            
COMPND  16 SYNONYM: SEB, SUPERANTIGEN;                                          
COMPND  17 MOL_ID: 4;                                                           
COMPND  18 MOLECULE: PEPTIDE FROM COLLAGEN II;                                  
COMPND  19 CHAIN: E                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: DROSOPHILA;                                       
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FRUIT FLIES;                               
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7215;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELLULAR_LOCATION: S2;                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PRMHA-3;                                   
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  12 ORGANISM_COMMON: HUMAN;                                              
SOURCE  13 ORGANISM_TAXID: 9606;                                                
SOURCE  14 EXPRESSION_SYSTEM: DROSOPHILA;                                       
SOURCE  15 EXPRESSION_SYSTEM_COMMON: FRUIT FLIES;                               
SOURCE  16 EXPRESSION_SYSTEM_TAXID: 7215;                                       
SOURCE  17 EXPRESSION_SYSTEM_CELLULAR_LOCATION: S2;                             
SOURCE  18 EXPRESSION_SYSTEM_VECTOR: PRMHA-3;                                   
SOURCE  19 MOL_ID: 3;                                                           
SOURCE  20 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE  21 ORGANISM_TAXID: 1280;                                                
SOURCE  22 MOL_ID: 4;                                                           
SOURCE  23 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  24 ORGANISM_COMMON: HUMAN;                                              
SOURCE  25 ORGANISM_TAXID: 9606                                                 
KEYWDS    COMPLEX (MHC CLASS II-SUPERANTIGEN), COMPLEX (MHC CLASS II-           
KEYWDS   2 SUPERANTIGEN) COMPLEX                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.DESSEN,C.M.LAWRENCE,S.CUPO,D.M.ZALLER,D.C.WILEY                     
REVDAT   6   09-AUG-23 2SEB    1       REMARK HETSYN                            
REVDAT   5   29-JUL-20 2SEB    1       COMPND REMARK SEQADV HETNAM              
REVDAT   5 2                   1       LINK   SITE                              
REVDAT   4   13-JUL-11 2SEB    1       VERSN                                    
REVDAT   3   24-FEB-09 2SEB    1       VERSN                                    
REVDAT   2   01-APR-03 2SEB    1       JRNL                                     
REVDAT   1   28-JAN-98 2SEB    0                                                
JRNL        AUTH   A.DESSEN,C.M.LAWRENCE,S.CUPO,D.M.ZALLER,D.C.WILEY            
JRNL        TITL   X-RAY CRYSTAL STRUCTURE OF HLA-DR4 (DRA*0101, DRB1*0401)     
JRNL        TITL 2 COMPLEXED WITH A PEPTIDE FROM HUMAN COLLAGEN II.             
JRNL        REF    IMMUNITY                      V.   7   473 1997              
JRNL        REFN                   ISSN 1074-7613                               
JRNL        PMID   9354468                                                      
JRNL        DOI    10.1016/S1074-7613(00)80369-6                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 87.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 26704                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.229                           
REMARK   3   FREE R VALUE                     : 0.280                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2642                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.015                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.61                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2897                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2290                       
REMARK   3   BIN FREE R VALUE                    : 0.2790                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 317                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.015                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4781                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 14                                      
REMARK   3   SOLVENT ATOMS            : 62                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.70                          
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19M.SOL                                    
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2SEB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000178620.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : OCT-96                             
REMARK 200  TEMPERATURE           (KELVIN) : 173                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.918                              
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : BENT MIRROR                        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27635                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 87.7                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.08100                            
REMARK 200  R SYM                      (I) : 0.08100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.57                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 83.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.21800                            
REMARK 200  R SYM FOR SHELL            (I) : 0.21800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: PDB ENTRY 1SEB                                       
REMARK 200                                                                      
REMARK 200 REMARK: FURTHER REFINEMENT PERFORMED USING PDB ENTRY 1SE2            
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NA ACETATE PH 4.6 9 - 14% PEG      
REMARK 280  4000 0.2 M AMMONIUM ACETATE                                         
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       39.26500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.43500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.14000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       50.43500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       39.26500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.14000            
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, D, E                            
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     ASP A   181                                                      
REMARK 465     GLY B     1                                                      
REMARK 465     LYS B   105                                                      
REMARK 465     THR B   106                                                      
REMARK 465     GLN B   107                                                      
REMARK 465     PRO B   108                                                      
REMARK 465     LEU B   109                                                      
REMARK 465     GLN B   110                                                      
REMARK 465     HIS B   111                                                      
REMARK 465     HIS B   112                                                      
REMARK 465     PRO B   165                                                      
REMARK 465     ARG B   166                                                      
REMARK 465     SER B   167                                                      
REMARK 465     GLY B   168                                                      
REMARK 465     ARG B   191                                                      
REMARK 465     SER B   192                                                      
REMARK 465     GLU D     1                                                      
REMARK 465     ASP D    55                                                      
REMARK 465     THR D    56                                                      
REMARK 465     LYS D    57                                                      
REMARK 465     LEU D    58                                                      
REMARK 465     GLY D    59                                                      
REMARK 465     ASN D    60                                                      
REMARK 465     LYS D    98                                                      
REMARK 465     THR D    99                                                      
REMARK 465     ASN D   100                                                      
REMARK 465     ASP D   101                                                      
REMARK 465     ILE D   102                                                      
REMARK 465     ASN D   103                                                      
REMARK 465     SER D   104                                                      
REMARK 465     HIS D   105                                                      
REMARK 465     GLN D   106                                                      
REMARK 465     THR D   107                                                      
REMARK 465     ASP D   108                                                      
REMARK 465     LYS D   109                                                      
REMARK 465     LYS D   237                                                      
REMARK 465     LYS D   238                                                      
REMARK 465     LYS D   239                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ILE A   1    CG1  CG2  CD1                                       
REMARK 470     GLU A  46    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 100    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B  65    CG   CD   CE   NZ                                   
REMARK 470     GLU B  69    CG   CD   OE1  OE2                                  
REMARK 470     ASN B 113    CG   OD1  ND2                                       
REMARK 470     LYS B 139    CG   CD   CE   NZ                                   
REMARK 470     VAL B 164    CG1  CG2                                            
REMARK 470     GLU B 169    CG   CD   OE1  OE2                                  
REMARK 470     LYS D  54    CG   CD   CE   NZ                                   
REMARK 470     ASP D  72    CG   OD1  OD2                                       
REMARK 470     LYS D  97    CG   CD   CE   NZ                                   
REMARK 470     ASP D 127    CG   OD1  OD2                                       
REMARK 470     ASN D 192    CG   OD1  ND2                                       
REMARK 470     GLU D 193    CG   CD   OE1  OE2                                  
REMARK 470     LYS D 207    CG   CD   CE   NZ                                   
REMARK 470     LYS D 212    CG   CD   CE   NZ                                   
REMARK 470     ASP D 224    CG   OD1  OD2                                       
REMARK 470     ASP D 227    CG   OD1  OD2                                       
REMARK 470     THR D 236    OG1  CG2                                            
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASN B   19   CG   OD1  ND2                                       
REMARK 480     GLU B   22   CG   CD   OE1  OE2                                  
REMARK 480     ARG B   23   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ARG B  189   CG   CD   NE   CZ   NH1  NH2                        
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   OE2  GLU A    30     O    HOH A   957              2.18            
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    PRO A 127   CD    PRO A 127   N      -0.174                       
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    ARG B  23   O   -  C   -  N   ANGL. DEV. = -11.6 DEGREES          
REMARK 500    ASN D  37   N   -  CA  -  CB  ANGL. DEV. =  11.6 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    THR A 130      109.63    -57.08                                   
REMARK 500    ASN B  19       71.94     47.88                                   
REMARK 500    TYR B  32      -97.59    -59.12                                   
REMARK 500    GLN B  34       -8.04   -147.47                                   
REMARK 500    TYR B  78      -67.29   -104.23                                   
REMARK 500    GLU B  87      -57.25    -19.45                                   
REMARK 500    THR B  90      -69.54   -120.29                                   
REMARK 500    ASP B 152       40.93   -145.92                                   
REMARK 500    PRO D   8      -31.63    -38.93                                   
REMARK 500    ASP D  29     -166.14   -101.42                                   
REMARK 500    ASN D  37       38.37     99.29                                   
REMARK 500    ASP D  42     -170.39    171.16                                   
REMARK 500    TYR D  91      -77.63    -49.31                                   
REMARK 500    GLN D  92       25.16    -76.30                                   
REMARK 500    ASN D 178      -67.11    -94.39                                   
REMARK 500    ASN D 192     -131.38     63.79                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2SEB A    1   181  UNP    P01903   2DRA_HUMAN      26    206             
DBREF  2SEB B    1   192  UNP    P13760   2B14_HUMAN      30    221             
DBREF  2SEB D    1   239  UNP    P01552   ETXB_STAAU      28    266             
DBREF  2SEB E 1169  1178  UNP    P02458   CO2A1_HUMAN   1169   1178             
SEQADV 2SEB ALA E 1174  UNP  P02458    GLN  1174 CONFLICT                       
SEQRES   1 A  181  ILE LYS GLU GLU HIS VAL ILE ILE GLN ALA GLU PHE TYR          
SEQRES   2 A  181  LEU ASN PRO ASP GLN SER GLY GLU PHE MET PHE ASP PHE          
SEQRES   3 A  181  ASP GLY ASP GLU ILE PHE HIS VAL ASP MET ALA LYS LYS          
SEQRES   4 A  181  GLU THR VAL TRP ARG LEU GLU GLU PHE GLY ARG PHE ALA          
SEQRES   5 A  181  SER PHE GLU ALA GLN GLY ALA LEU ALA ASN ILE ALA VAL          
SEQRES   6 A  181  ASP LYS ALA ASN LEU GLU ILE MET THR LYS ARG SER ASN          
SEQRES   7 A  181  TYR THR PRO ILE THR ASN VAL PRO PRO GLU VAL THR VAL          
SEQRES   8 A  181  LEU THR ASN SER PRO VAL GLU LEU ARG GLU PRO ASN VAL          
SEQRES   9 A  181  LEU ILE CYS PHE ILE ASP LYS PHE THR PRO PRO VAL VAL          
SEQRES  10 A  181  ASN VAL THR TRP LEU ARG ASN GLY LYS PRO VAL THR THR          
SEQRES  11 A  181  GLY VAL SER GLU THR VAL PHE LEU PRO ARG GLU ASP HIS          
SEQRES  12 A  181  LEU PHE ARG LYS PHE HIS TYR LEU PRO PHE LEU PRO SER          
SEQRES  13 A  181  THR GLU ASP VAL TYR ASP CYS ARG VAL GLU HIS TRP GLY          
SEQRES  14 A  181  LEU ASP GLU PRO LEU LEU LYS HIS TRP GLU PHE ASP              
SEQRES   1 B  192  GLY ASP THR ARG PRO ARG PHE LEU GLU GLN VAL LYS HIS          
SEQRES   2 B  192  GLU CYS HIS PHE PHE ASN GLY THR GLU ARG VAL ARG PHE          
SEQRES   3 B  192  LEU ASP ARG TYR PHE TYR HIS GLN GLU GLU TYR VAL ARG          
SEQRES   4 B  192  PHE ASP SER ASP VAL GLY GLU TYR ARG ALA VAL THR GLU          
SEQRES   5 B  192  LEU GLY ARG PRO ASP ALA GLU TYR TRP ASN SER GLN LYS          
SEQRES   6 B  192  ASP LEU LEU GLU GLN LYS ARG ALA ALA VAL ASP THR TYR          
SEQRES   7 B  192  CYS ARG HIS ASN TYR GLY VAL GLY GLU SER PHE THR VAL          
SEQRES   8 B  192  GLN ARG ARG VAL TYR PRO GLU VAL THR VAL TYR PRO ALA          
SEQRES   9 B  192  LYS THR GLN PRO LEU GLN HIS HIS ASN LEU LEU VAL CYS          
SEQRES  10 B  192  SER VAL ASN GLY PHE TYR PRO GLY SER ILE GLU VAL ARG          
SEQRES  11 B  192  TRP PHE ARG ASN GLY GLN GLU GLU LYS THR GLY VAL VAL          
SEQRES  12 B  192  SER THR GLY LEU ILE GLN ASN GLY ASP TRP THR PHE GLN          
SEQRES  13 B  192  THR LEU VAL MET LEU GLU THR VAL PRO ARG SER GLY GLU          
SEQRES  14 B  192  VAL TYR THR CYS GLN VAL GLU HIS PRO SER LEU THR SER          
SEQRES  15 B  192  PRO LEU THR VAL GLU TRP ARG ALA ARG SER                      
SEQRES   1 D  239  GLU SER GLN PRO ASP PRO LYS PRO ASP GLU LEU HIS LYS          
SEQRES   2 D  239  SER SER LYS PHE THR GLY LEU MET GLU ASN MET LYS VAL          
SEQRES   3 D  239  LEU TYR ASP ASP ASN HIS VAL SER ALA ILE ASN VAL LYS          
SEQRES   4 D  239  SER ILE ASP GLN PHE LEU TYR PHE ASP LEU ILE TYR SER          
SEQRES   5 D  239  ILE LYS ASP THR LYS LEU GLY ASN TYR ASP ASN VAL ARG          
SEQRES   6 D  239  VAL GLU PHE LYS ASN LYS ASP LEU ALA ASP LYS TYR LYS          
SEQRES   7 D  239  ASP LYS TYR VAL ASP VAL PHE GLY ALA ASN TYR TYR TYR          
SEQRES   8 D  239  GLN CYS TYR PHE SER LYS LYS THR ASN ASP ILE ASN SER          
SEQRES   9 D  239  HIS GLN THR ASP LYS ARG LYS THR CYS MET TYR GLY GLY          
SEQRES  10 D  239  VAL THR GLU HIS ASN GLY ASN GLN LEU ASP LYS TYR ARG          
SEQRES  11 D  239  SER ILE THR VAL ARG VAL PHE GLU ASP GLY LYS ASN LEU          
SEQRES  12 D  239  LEU SER PHE ASP VAL GLN THR ASN LYS LYS LYS VAL THR          
SEQRES  13 D  239  ALA GLN GLU LEU ASP TYR LEU THR ARG HIS TYR LEU VAL          
SEQRES  14 D  239  LYS ASN LYS LYS LEU TYR GLU PHE ASN ASN SER PRO TYR          
SEQRES  15 D  239  GLU THR GLY TYR ILE LYS PHE ILE GLU ASN GLU ASN SER          
SEQRES  16 D  239  PHE TRP TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE          
SEQRES  17 D  239  ASP GLN SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS          
SEQRES  18 D  239  MET VAL ASP SER LYS ASP VAL LYS ILE GLU VAL TYR LEU          
SEQRES  19 D  239  THR THR LYS LYS LYS                                          
SEQRES   1 E   12  ALA TYR MET ARG ALA ASP ALA ALA ALA GLY GLY ALA              
MODRES 2SEB ASN A  118  ASN  GLYCOSYLATION SITE                                 
HET    NAG  A 900      14                                                       
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                         
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-           
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-          
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                         
FORMUL   5  NAG    C8 H15 N O6                                                  
FORMUL   6  HOH   *62(H2 O)                                                     
HELIX    1   1 GLU A   46  ARG A   50  5                                   5    
HELIX    2   2 ALA A   56  ARG A   76  1                                  21    
HELIX    3   3 GLU B   52  SER B   63  5                                  12    
HELIX    4   4 LYS B   65  THR B   77  1                                  13    
HELIX    5   5 CYS B   79  GLY B   86  1                                   8    
HELIX    6   6 SER D   14  LYS D   16  5                                   3    
HELIX    7   7 MET D   21  TYR D   28  5                                   8    
HELIX    8   8 LYS D   71  LYS D   78  1                                   8    
HELIX    9   9 GLU D  138  GLY D  140  5                                   3    
HELIX   10  10 ALA D  157  VAL D  169  1                                  13    
HELIX   11  11 GLN D  210  TYR D  217  1                                   8    
SHEET    1   A 4 ILE A   7  LEU A  14  0                                        
SHEET    2   A 4 SER A  19  PHE A  26 -1  N  ASP A  25   O  ILE A   8           
SHEET    3   A 4 ASP A  29  ASP A  35 -1  N  PHE A  32   O  PHE A  24           
SHEET    4   A 4 GLU A  40  TRP A  43 -1  N  VAL A  42   O  HIS A  33           
SHEET    1   B 3 GLU A  88  THR A  93  0                                        
SHEET    2   B 3 PRO A 102  PHE A 112 -1  N  ASP A 110   O  GLU A  88           
SHEET    3   B 3 PHE A 145  LEU A 154 -1  N  PHE A 153   O  ASN A 103           
SHEET    1   C 4 LYS A 126  VAL A 128  0                                        
SHEET    2   C 4 ASN A 118  ARG A 123 -1  N  ARG A 123   O  LYS A 126           
SHEET    3   C 4 VAL A 160  GLU A 166 -1  N  GLU A 166   O  ASN A 118           
SHEET    4   C 4 LEU A 174  GLU A 179 -1  N  TRP A 178   O  TYR A 161           
SHEET    1   D 4 GLN B  10  PHE B  18  0                                        
SHEET    2   D 4 ARG B  23  PHE B  31 -1  N  PHE B  31   O  GLN B  10           
SHEET    3   D 4 GLU B  36  ASP B  41 -1  N  PHE B  40   O  ASP B  28           
SHEET    4   D 4 GLU B  46  ALA B  49 -1  N  ARG B  48   O  ARG B  39           
SHEET    1   E 4 GLU B  98  PRO B 103  0                                        
SHEET    2   E 4 ASN B 113  PHE B 122 -1  N  ASN B 120   O  GLU B  98           
SHEET    3   E 4 PHE B 155  THR B 163 -1  N  THR B 163   O  ASN B 113           
SHEET    4   E 4 VAL B 142  SER B 144 -1  N  VAL B 143   O  MET B 160           
SHEET    1   F 4 GLN B 136  GLU B 138  0                                        
SHEET    2   F 4 ILE B 127  ARG B 133 -1  N  ARG B 133   O  GLN B 136           
SHEET    3   F 4 TYR B 171  HIS B 177 -1  N  GLU B 176   O  GLU B 128           
SHEET    4   F 4 LEU B 184  TRP B 188 -1  N  TRP B 188   O  TYR B 171           
SHEET    1   G 3 ASP D  48  SER D  52  0                                        
SHEET    2   G 3 ASN D  63  GLU D  67 -1  N  VAL D  66   O  LEU D  49           
SHEET    3   G 3 LYS D 111  TYR D 115  1  N  THR D 112   O  ASN D  63           
SHEET    1   H 3 VAL D 118  GLU D 120  0                                        
SHEET    2   H 3 VAL D  82  GLY D  86 -1  N  ASP D  83   O  THR D 119           
SHEET    3   H 3 VAL D  33  VAL D  38 -1  N  VAL D  38   O  VAL D  82           
SHEET    1   I 5 ASN D 194  ASP D 199  0                                        
SHEET    2   I 5 THR D 184  GLU D 191 -1  N  GLU D 191   O  ASN D 194           
SHEET    3   I 5 VAL D 228  THR D 235 -1  N  THR D 235   O  THR D 184           
SHEET    4   I 5 ARG D 130  GLU D 138  1  N  ARG D 135   O  ILE D 230           
SHEET    5   I 5 LYS D 141  THR D 150 -1  N  THR D 150   O  ARG D 130           
SHEET    1   J 2 LYS D 154  THR D 156  0                                        
SHEET    2   J 2 MET D 222  ASP D 224 -1  N  VAL D 223   O  VAL D 155           
SSBOND   1 CYS A  107    CYS A  163                          1555   1555  1.93  
SSBOND   2 CYS B   15    CYS B   79                          1555   1555  2.06  
SSBOND   3 CYS B  117    CYS B  173                          1555   1555  2.02  
SSBOND   4 CYS D   93    CYS D  113                          1555   1555  2.04  
LINK         ND2 ASN A 118                 C1  NAG A 900     1555   1555  1.39  
CISPEP   1 ASN A   15    PRO A   16          0        -0.03                     
CISPEP   2 THR A  113    PRO A  114          0        -0.06                     
CISPEP   3 TYR B  123    PRO B  124          0        -0.59                     
CRYST1   78.530  100.280  100.870  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      0.012734  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009972  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009914        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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