HEADER    GLYCOPROTEIN                            18-DEC-96   1WIQ              
TITLE     STRUCTURE OF T-CELL SURFACE GLYCOPROTEIN CD4, TRIGONAL CRYSTAL FORM   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: T-CELL SURFACE GLYCOPROTEIN CD4;                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: EXTRACELLULAR FRAGMENT;                                    
COMPND   5 SYNONYM: CD4;                                                        
COMPND   6 OTHER_DETAILS: TRIGONAL CRYSTAL FORM                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606                                                 
KEYWDS    IMMUNOGLOBULIN FOLD, TRANSMEMBRANE, GLYCOPROTEIN, T-CELL, MHC         
KEYWDS   2 LIPOPROTEIN, POLYMORPHISM                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.WU,P.D.KWONG,W.A.HENDRICKSON                                        
REVDAT   3   20-NOV-24 1WIQ    1       REMARK                                   
REVDAT   2   24-FEB-09 1WIQ    1       VERSN                                    
REVDAT   1   07-JUL-97 1WIQ    0                                                
JRNL        AUTH   H.WU,P.D.KWONG,W.A.HENDRICKSON                               
JRNL        TITL   DIMERIC ASSOCIATION AND SEGMENTAL VARIABILITY IN THE         
JRNL        TITL 2 STRUCTURE OF HUMAN CD4.                                      
JRNL        REF    NATURE                        V. 387   527 1997              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   9168119                                                      
JRNL        DOI    10.1038/387527A0                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    5.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 5.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
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)   (%) : 67.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 4289                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.422                           
REMARK   3   FREE R VALUE                     : 0.442                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5624                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.300                           
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1WIQ 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_1000177203.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
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) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4                        
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT PLUS   
REMARK 200  ANOMALOUS DIFFRACTION.                                              
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 78.81                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.81                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       68.33333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      136.66667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      136.66667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       68.33333            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 300 REMARK: THERE ARE TWO MOLECULES PER CRYSTALLOGRAPHIC ASYMMETRIC      
REMARK 300 UNIT.  EACH MOLECULE CONTAINS RESIDUES 1 - 363.                      
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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 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     GLN A  40    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 189    CG   CD   CE   NZ                                   
REMARK 470     LYS A 239    CG   CD   CE   NZ                                   
REMARK 470     ARG A 240    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 293    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 325    CG   CD   CE   NZ                                   
REMARK 470     GLN B  40    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 189    CG   CD   CE   NZ                                   
REMARK 470     LYS B 239    CG   CD   CE   NZ                                   
REMARK 470     ARG B 240    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B 293    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 325    CG   CD   CE   NZ                                   
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   N    ALA B   178     N    PHE B   179              0.70            
REMARK 500   CA   ALA B   178     CA   PHE B   179              0.84            
REMARK 500   CG   LEU B   109     CD2  LEU B   283              0.90            
REMARK 500   CD2  LEU B   109     CG   LEU B   283              1.01            
REMARK 500   C    LEU B   177     N    PHE B   179              1.03            
REMARK 500   N    ALA B   178     CA   PHE B   179              1.05            
REMARK 500   CB   LEU B   109     CD2  LEU B   283              1.13            
REMARK 500   CG   LEU B   109     CG   LEU B   283              1.19            
REMARK 500   CA   ALA B   178     CB   PHE B   179              1.22            
REMARK 500   CD2  LEU B   177     CD2  LEU B   200              1.22            
REMARK 500   C    ALA B   178     CB   PHE B   179              1.24            
REMARK 500   CD2  LEU B   109     CB   LEU B   283              1.25            
REMARK 500   O    ALA B   178     N    GLN B   180              1.33            
REMARK 500   C    ALA B   178     CA   PHE B   179              1.35            
REMARK 500   CA   ALA B   178     N    PHE B   179              1.42            
REMARK 500   O    LEU B   177     N    PHE B   179              1.67            
REMARK 500   C    ALA B   178     C    PHE B   179              1.71            
REMARK 500   O    ALA B   178     C    PHE B   179              1.78            
REMARK 500   CD2  LEU B   109     CA   LEU B   283              1.84            
REMARK 500   C    ALA B   178     N    GLN B   180              1.87            
REMARK 500   CA   LEU B   109     CD2  LEU B   283              1.94            
REMARK 500   CD2  LEU B   109     N    LEU B   283              1.95            
REMARK 500   CG   LEU B   177     CD2  LEU B   200              1.98            
REMARK 500   CD2  LEU B   109     CD2  LEU B   283              2.13            
REMARK 500   CD1  LEU B   109     CD2  LEU B   283              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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   CA   SER A   124     CD1  LEU B   362     3664     0.99            
REMARK 500   N    SER A   124     CD1  LEU B   362     3664     1.08            
REMARK 500   CB   LYS A   142     O    LEU B   297     3664     1.13            
REMARK 500   CA   GLY A   123     CD2  LEU B   362     3664     1.24            
REMARK 500   O    GLY A   123     CB   LEU B   362     3664     1.24            
REMARK 500   NZ   LYS A   142     O    THR B   295     3664     1.40            
REMARK 500   C    GLY A   123     CD2  LEU B   362     3664     1.47            
REMARK 500   N    SER A   127     NZ   LYS B   299     3664     1.49            
REMARK 500   CA   PRO B    48     CG2  VAL B   241     4647     1.50            
REMARK 500   C    SER A   124     CD1  LEU B   362     3664     1.55            
REMARK 500   C    GLY A   123     CG   LEU B   362     3664     1.56            
REMARK 500   CB   SER A   127     NZ   LYS B   299     3664     1.65            
REMARK 500   CA   SER A   127     NZ   LYS B   299     3664     1.69            
REMARK 500   CB   LYS A   142     C    LEU B   297     3664     1.72            
REMARK 500   OG   SER A   127     CE   LYS B   299     3664     1.73            
REMARK 500   N    SER A   124     CG   LEU B   362     3664     1.77            
REMARK 500   C    PRO A   126     NZ   LYS B   299     3664     1.78            
REMARK 500   CG   LYS A   142     CA   LEU B   297     3664     1.81            
REMARK 500   O    PRO A   126     CB   GLN B   298     3664     1.81            
REMARK 500   O    GLY A   123     CG   LEU B   362     3664     1.87            
REMARK 500   CB   SER A   125     CA   LYS B   299     3664     1.91            
REMARK 500   OG   SER A   127     NZ   LYS B   299     3664     1.92            
REMARK 500   C    GLY A   123     CD1  LEU B   362     3664     1.98            
REMARK 500   C    GLY A   123     CB   LEU B   362     3664     1.99            
REMARK 500   O    SER A   124     CD1  LEU B   362     3664     2.03            
REMARK 500   ND2  ASN B    52     CB   ARG B   240     4647     2.08            
REMARK 500   CA   LYS A   142     O    LEU B   297     3664     2.09            
REMARK 500   N    SER A   124     CD2  LEU B   362     3664     2.09            
REMARK 500   O    PRO A   126     NZ   LYS B   299     3664     2.09            
REMARK 500   OG   SER A   125     CA   LYS B   299     3664     2.09            
REMARK 500   OG   SER A   125     O    GLN B   298     3664     2.12            
REMARK 500   CB   PRO B    48     CG1  VAL B   241     4647     2.17            
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    GLU A  87   N   -  CA  -  C   ANGL. DEV. =  18.4 DEGREES          
REMARK 500    THR A 208   N   -  CA  -  C   ANGL. DEV. =  20.4 DEGREES          
REMARK 500    LEU A 247   CA  -  CB  -  CG  ANGL. DEV. =  15.1 DEGREES          
REMARK 500    GLU A 277   O   -  C   -  N   ANGL. DEV. =  11.2 DEGREES          
REMARK 500    LEU A 313   CA  -  CB  -  CG  ANGL. DEV. =  14.0 DEGREES          
REMARK 500    GLU B  87   N   -  CA  -  C   ANGL. DEV. =  18.1 DEGREES          
REMARK 500    THR B 208   N   -  CA  -  C   ANGL. DEV. =  22.6 DEGREES          
REMARK 500    LEU B 247   CA  -  CB  -  CG  ANGL. DEV. =  15.8 DEGREES          
REMARK 500    GLU B 277   O   -  C   -  N   ANGL. DEV. =  11.2 DEGREES          
REMARK 500    LEU B 362   N   -  CA  -  C   ANGL. DEV. =  16.4 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  10     -147.50    -73.69                                   
REMARK 500    CYS A  16      117.54    178.05                                   
REMARK 500    THR A  17     -158.93   -147.62                                   
REMARK 500    ALA A  18      179.44    173.52                                   
REMARK 500    SER A  19     -150.22    -73.99                                   
REMARK 500    GLN A  20      -28.67     55.94                                   
REMARK 500    LYS A  21       -3.19     40.66                                   
REMARK 500    SER A  23      100.36    -58.16                                   
REMARK 500    GLN A  40       74.65   -169.03                                   
REMARK 500    ASN A  52     -113.00      2.85                                   
REMARK 500    ASP A  53       30.35    -63.49                                   
REMARK 500    ASN A  73       69.55      1.84                                   
REMARK 500    LEU A  74      107.04    -48.31                                   
REMARK 500    GLU A  77       25.69    -76.26                                   
REMARK 500    SER A  79      103.27    -55.50                                   
REMARK 500    GLU A  87        4.19    -10.07                                   
REMARK 500    ASP A  88       27.57    147.84                                   
REMARK 500    SER A 104        2.06    -63.57                                   
REMARK 500    ASP A 105     -142.32    -12.28                                   
REMARK 500    THR A 106      112.43     -8.54                                   
REMARK 500    HIS A 107       77.98     66.73                                   
REMARK 500    GLN A 112       97.42    -33.64                                   
REMARK 500    SER A 113      150.71    -39.17                                   
REMARK 500    PRO A 122      -56.04    -27.74                                   
REMARK 500    LYS A 136       98.47     25.10                                   
REMARK 500    SER A 147     -114.29    -49.56                                   
REMARK 500    LEU A 151      -69.49    -10.23                                   
REMARK 500    GLN A 152      -17.38    -48.14                                   
REMARK 500    THR A 158       73.69   -153.85                                   
REMARK 500    ASN A 164     -169.13     66.38                                   
REMARK 500    LYS A 181      146.19   -174.28                                   
REMARK 500    ALA A 182      -75.68    -98.20                                   
REMARK 500    GLU A 190       89.34    -22.49                                   
REMARK 500    LEU A 200     -114.34   -120.23                                   
REMARK 500    ALA A 201       63.44   -172.70                                   
REMARK 500    PHE A 202      -75.05     45.19                                   
REMARK 500    THR A 203      152.22     39.46                                   
REMARK 500    VAL A 204     -168.51   -127.32                                   
REMARK 500    GLU A 205      159.74    133.90                                   
REMARK 500    LYS A 206     -157.76    -71.28                                   
REMARK 500    LEU A 207       91.88    -34.33                                   
REMARK 500    SER A 210      146.75    179.51                                   
REMARK 500    ARG A 219      -49.77     69.82                                   
REMARK 500    ALA A 220       78.89    -64.87                                   
REMARK 500    SER A 222       69.76    -58.14                                   
REMARK 500    TRP A 226     -168.90   -167.43                                   
REMARK 500    ASN A 233     -153.37     42.86                                   
REMARK 500    ARG A 240     -174.05    170.49                                   
REMARK 500    VAL A 241      172.87     74.20                                   
REMARK 500    THR A 242      -90.03    140.71                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     157 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1WIQ A    1   363  UNP    P01730   CD4_HUMAN       26    388             
DBREF  1WIQ B    1   363  UNP    P01730   CD4_HUMAN       26    388             
SEQRES   1 A  363  LYS LYS VAL VAL LEU GLY LYS LYS GLY ASP THR VAL GLU          
SEQRES   2 A  363  LEU THR CYS THR ALA SER GLN LYS LYS SER ILE GLN PHE          
SEQRES   3 A  363  HIS TRP LYS ASN SER ASN GLN ILE LYS ILE LEU GLY ASN          
SEQRES   4 A  363  GLN GLY SER PHE LEU THR LYS GLY PRO SER LYS LEU ASN          
SEQRES   5 A  363  ASP ARG ALA ASP SER ARG ARG SER LEU TRP ASP GLN GLY          
SEQRES   6 A  363  ASN PHE PRO LEU ILE ILE LYS ASN LEU LYS ILE GLU ASP          
SEQRES   7 A  363  SER ASP THR TYR ILE CYS GLU VAL GLU ASP GLN LYS GLU          
SEQRES   8 A  363  GLU VAL GLN LEU LEU VAL PHE GLY LEU THR ALA ASN SER          
SEQRES   9 A  363  ASP THR HIS LEU LEU GLN GLY GLN SER LEU THR LEU THR          
SEQRES  10 A  363  LEU GLU SER PRO PRO GLY SER SER PRO SER VAL GLN CYS          
SEQRES  11 A  363  ARG SER PRO ARG GLY LYS ASN ILE GLN GLY GLY LYS THR          
SEQRES  12 A  363  LEU SER VAL SER GLN LEU GLU LEU GLN ASP SER GLY THR          
SEQRES  13 A  363  TRP THR CYS THR VAL LEU GLN ASN GLN LYS LYS VAL GLU          
SEQRES  14 A  363  PHE LYS ILE ASP ILE VAL VAL LEU ALA PHE GLN LYS ALA          
SEQRES  15 A  363  SER SER ILE VAL TYR LYS LYS GLU GLY GLU GLN VAL GLU          
SEQRES  16 A  363  PHE SER PHE PRO LEU ALA PHE THR VAL GLU LYS LEU THR          
SEQRES  17 A  363  GLY SER GLY GLU LEU TRP TRP GLN ALA GLU ARG ALA SER          
SEQRES  18 A  363  SER SER LYS SER TRP ILE THR PHE ASP LEU LYS ASN LYS          
SEQRES  19 A  363  GLU VAL SER VAL LYS ARG VAL THR GLN ASP PRO LYS LEU          
SEQRES  20 A  363  GLN MET GLY LYS LYS LEU PRO LEU HIS LEU THR LEU PRO          
SEQRES  21 A  363  GLN ALA LEU PRO GLN TYR ALA GLY SER GLY ASN LEU THR          
SEQRES  22 A  363  LEU ALA LEU GLU ALA LYS THR GLY LYS LEU HIS GLN GLU          
SEQRES  23 A  363  VAL ASN LEU VAL VAL MET ARG ALA THR GLN LEU GLN LYS          
SEQRES  24 A  363  ASN LEU THR CYS GLU VAL TRP GLY PRO THR SER PRO LYS          
SEQRES  25 A  363  LEU MET LEU SER LEU LYS LEU GLU ASN LYS GLU ALA LYS          
SEQRES  26 A  363  VAL SER LYS ARG GLU LYS ALA VAL TRP VAL LEU ASN PRO          
SEQRES  27 A  363  GLU ALA GLY MET TRP GLN CYS LEU LEU SER ASP SER GLY          
SEQRES  28 A  363  GLN VAL LEU LEU GLU SER ASN ILE LYS VAL LEU PRO              
SEQRES   1 B  363  LYS LYS VAL VAL LEU GLY LYS LYS GLY ASP THR VAL GLU          
SEQRES   2 B  363  LEU THR CYS THR ALA SER GLN LYS LYS SER ILE GLN PHE          
SEQRES   3 B  363  HIS TRP LYS ASN SER ASN GLN ILE LYS ILE LEU GLY ASN          
SEQRES   4 B  363  GLN GLY SER PHE LEU THR LYS GLY PRO SER LYS LEU ASN          
SEQRES   5 B  363  ASP ARG ALA ASP SER ARG ARG SER LEU TRP ASP GLN GLY          
SEQRES   6 B  363  ASN PHE PRO LEU ILE ILE LYS ASN LEU LYS ILE GLU ASP          
SEQRES   7 B  363  SER ASP THR TYR ILE CYS GLU VAL GLU ASP GLN LYS GLU          
SEQRES   8 B  363  GLU VAL GLN LEU LEU VAL PHE GLY LEU THR ALA ASN SER          
SEQRES   9 B  363  ASP THR HIS LEU LEU GLN GLY GLN SER LEU THR LEU THR          
SEQRES  10 B  363  LEU GLU SER PRO PRO GLY SER SER PRO SER VAL GLN CYS          
SEQRES  11 B  363  ARG SER PRO ARG GLY LYS ASN ILE GLN GLY GLY LYS THR          
SEQRES  12 B  363  LEU SER VAL SER GLN LEU GLU LEU GLN ASP SER GLY THR          
SEQRES  13 B  363  TRP THR CYS THR VAL LEU GLN ASN GLN LYS LYS VAL GLU          
SEQRES  14 B  363  PHE LYS ILE ASP ILE VAL VAL LEU ALA PHE GLN LYS ALA          
SEQRES  15 B  363  SER SER ILE VAL TYR LYS LYS GLU GLY GLU GLN VAL GLU          
SEQRES  16 B  363  PHE SER PHE PRO LEU ALA PHE THR VAL GLU LYS LEU THR          
SEQRES  17 B  363  GLY SER GLY GLU LEU TRP TRP GLN ALA GLU ARG ALA SER          
SEQRES  18 B  363  SER SER LYS SER TRP ILE THR PHE ASP LEU LYS ASN LYS          
SEQRES  19 B  363  GLU VAL SER VAL LYS ARG VAL THR GLN ASP PRO LYS LEU          
SEQRES  20 B  363  GLN MET GLY LYS LYS LEU PRO LEU HIS LEU THR LEU PRO          
SEQRES  21 B  363  GLN ALA LEU PRO GLN TYR ALA GLY SER GLY ASN LEU THR          
SEQRES  22 B  363  LEU ALA LEU GLU ALA LYS THR GLY LYS LEU HIS GLN GLU          
SEQRES  23 B  363  VAL ASN LEU VAL VAL MET ARG ALA THR GLN LEU GLN LYS          
SEQRES  24 B  363  ASN LEU THR CYS GLU VAL TRP GLY PRO THR SER PRO LYS          
SEQRES  25 B  363  LEU MET LEU SER LEU LYS LEU GLU ASN LYS GLU ALA LYS          
SEQRES  26 B  363  VAL SER LYS ARG GLU LYS ALA VAL TRP VAL LEU ASN PRO          
SEQRES  27 B  363  GLU ALA GLY MET TRP GLN CYS LEU LEU SER ASP SER GLY          
SEQRES  28 B  363  GLN VAL LEU LEU GLU SER ASN ILE LYS VAL LEU PRO              
HELIX    1   1 LEU A   51  ASP A   53  5                                   3    
HELIX    2   2 ARG A   58  GLN A   64  1                                   7    
HELIX    3   3 LYS A   75  SER A   79  5                                   5    
HELIX    4   4 GLU A  150  SER A  154  5                                   5    
HELIX    5   5 LEU A  263  TYR A  266  5                                   4    
HELIX    6   6 LEU B   51  ASP B   53  5                                   3    
HELIX    7   7 ARG B   59  GLN B   64  1                                   6    
HELIX    8   8 LYS B   75  SER B   79  5                                   5    
HELIX    9   9 GLU B  150  SER B  154  5                                   5    
HELIX   10  10 LEU B  263  TYR B  266  5                                   4    
SHEET    1   A 6 PHE A  43  LYS A  46  0                                        
SHEET    2   A 6 LYS A  35  GLN A  40 -1  O  GLY A  38   N  THR A  45           
SHEET    3   A 6 PHE A  26  ASN A  30 -1  O  PHE A  26   N  ASN A  39           
SHEET    4   A 6 ASP A  80  VAL A  86 -1  N  ILE A  83   O  LYS A  29           
SHEET    5   A 6 GLN A  89  ALA A 102 -1  N  GLN A  89   O  VAL A  86           
SHEET    6   A 6 LYS A   2  LYS A   7  1  O  LYS A   2   N  GLN A  94           
SHEET    1   B 7 PHE A  43  LYS A  46  0                                        
SHEET    2   B 7 LYS A  35  GLN A  40 -1  O  GLY A  38   N  THR A  45           
SHEET    3   B 7 PHE A  26  ASN A  30 -1  O  PHE A  26   N  ASN A  39           
SHEET    4   B 7 ASP A  80  VAL A  86 -1  N  ILE A  83   O  LYS A  29           
SHEET    5   B 7 GLN A  89  ALA A 102 -1  N  GLN A  89   O  VAL A  86           
SHEET    6   B 7 LEU A 114  GLU A 119 -1  O  THR A 117   N  THR A 101           
SHEET    7   B 7 THR A 143  VAL A 146 -1  N  LEU A 144   O  LEU A 116           
SHEET    1   C 3 VAL A  12  LEU A  14  0                                        
SHEET    2   C 3 LEU A  69  ILE A  71 -1  O  LEU A  69   N  LEU A  14           
SHEET    3   C 3 ALA A  55  ASP A  56 -1  O  ASP A  56   N  ILE A  70           
SHEET    1   D 2 LEU A 108  LEU A 109  0                                        
SHEET    2   D 2 VAL A 176  LEU A 177  1  N  LEU A 177   O  LEU A 108           
SHEET    1   E 4 ASN A 137  GLY A 140  0                                        
SHEET    2   E 4 VAL A 128  ARG A 131 -1  O  VAL A 128   N  GLY A 140           
SHEET    3   E 4 THR A 158  GLN A 163 -1  N  THR A 158   O  ARG A 131           
SHEET    4   E 4 LYS A 166  PHE A 170 -1  O  LYS A 166   N  GLN A 163           
SHEET    1   F 2 GLY A 155  THR A 156  0                                        
SHEET    2   F 2 ASP A 173  ILE A 174 -1  N  ILE A 174   O  GLY A 155           
SHEET    1   G 6 VAL A 236  THR A 242  0                                        
SHEET    2   G 6 TRP A 226  LEU A 231 -1  O  TRP A 226   N  THR A 242           
SHEET    3   G 6 GLY A 209  ALA A 217 -1  O  GLY A 209   N  LEU A 231           
SHEET    4   G 6 GLY A 268  LEU A 274 -1  O  SER A 269   N  GLN A 216           
SHEET    5   G 6 LEU A 283  ALA A 294 -1  N  LEU A 283   O  LEU A 274           
SHEET    6   G 6 SER A 183  LYS A 189  1  N  SER A 184   O  GLU A 286           
SHEET    1   H 7 VAL A 236  THR A 242  0                                        
SHEET    2   H 7 TRP A 226  LEU A 231 -1  O  TRP A 226   N  THR A 242           
SHEET    3   H 7 GLY A 209  ALA A 217 -1  O  GLY A 209   N  LEU A 231           
SHEET    4   H 7 GLY A 268  LEU A 274 -1  O  SER A 269   N  GLN A 216           
SHEET    5   H 7 LEU A 283  ALA A 294 -1  N  LEU A 283   O  LEU A 274           
SHEET    6   H 7 LEU A 301  TRP A 306 -1  O  GLU A 304   N  ARG A 293           
SHEET    7   H 7 ALA A 332  VAL A 335 -1  O  VAL A 333   N  CYS A 303           
SHEET    1   I 2 VAL A 194  SER A 197  0                                        
SHEET    2   I 2 HIS A 256  LEU A 259 -1  O  LEU A 257   N  PHE A 196           
SHEET    1   J 4 VAL A 326  LYS A 328  0                                        
SHEET    2   J 4 LEU A 315  LYS A 318 -1  N  LEU A 315   O  LYS A 328           
SHEET    3   J 4 GLY A 341  LEU A 347 -1  N  GLN A 344   O  LYS A 318           
SHEET    4   J 4 LEU A 355  VAL A 361 -1  O  LEU A 355   N  LEU A 347           
SHEET    1   K 6 PHE B  43  LYS B  46  0                                        
SHEET    2   K 6 LYS B  35  GLN B  40 -1  O  GLY B  38   N  THR B  45           
SHEET    3   K 6 PHE B  26  ASN B  30 -1  O  PHE B  26   N  ASN B  39           
SHEET    4   K 6 ASP B  80  VAL B  86 -1  N  ILE B  83   O  LYS B  29           
SHEET    5   K 6 GLN B  89  THR B 101 -1  N  GLN B  89   O  VAL B  86           
SHEET    6   K 6 LYS B   2  LYS B   7  1  O  LYS B   2   N  GLN B  94           
SHEET    1   L 7 PHE B  43  LYS B  46  0                                        
SHEET    2   L 7 LYS B  35  GLN B  40 -1  O  GLY B  38   N  THR B  45           
SHEET    3   L 7 PHE B  26  ASN B  30 -1  O  PHE B  26   N  ASN B  39           
SHEET    4   L 7 ASP B  80  VAL B  86 -1  N  ILE B  83   O  LYS B  29           
SHEET    5   L 7 GLN B  89  THR B 101 -1  N  GLN B  89   O  VAL B  86           
SHEET    6   L 7 LEU B 114  GLU B 119 -1  O  THR B 117   N  THR B 101           
SHEET    7   L 7 THR B 143  VAL B 146 -1  N  LEU B 144   O  LEU B 116           
SHEET    1   M 3 VAL B  12  LEU B  14  0                                        
SHEET    2   M 3 LEU B  69  ILE B  71 -1  O  LEU B  69   N  LEU B  14           
SHEET    3   M 3 ALA B  55  ASP B  56 -1  O  ASP B  56   N  ILE B  70           
SHEET    1   N 2 LEU B 108  LEU B 109  0                                        
SHEET    2   N 2 VAL B 176  LEU B 177  1  N  LEU B 177   O  LEU B 108           
SHEET    1   O 4 ASN B 137  GLY B 140  0                                        
SHEET    2   O 4 VAL B 128  ARG B 131 -1  O  VAL B 128   N  GLY B 140           
SHEET    3   O 4 THR B 158  GLN B 163 -1  N  THR B 158   O  ARG B 131           
SHEET    4   O 4 LYS B 166  PHE B 170 -1  O  LYS B 166   N  GLN B 163           
SHEET    1   P 2 GLY B 155  THR B 156  0                                        
SHEET    2   P 2 ASP B 173  ILE B 174 -1  O  ILE B 174   N  GLY B 155           
SHEET    1   Q 6 SER B 183  LYS B 189  0                                        
SHEET    2   Q 6 GLU B 286  ALA B 294  1  O  GLU B 286   N  SER B 184           
SHEET    3   Q 6 GLY B 268  THR B 273 -1  O  GLY B 268   N  LEU B 289           
SHEET    4   Q 6 GLY B 209  ALA B 217 -1  O  GLU B 212   N  THR B 273           
SHEET    5   Q 6 TRP B 226  LEU B 231 -1  O  ILE B 227   N  LEU B 213           
SHEET    6   Q 6 VAL B 236  THR B 242 -1  O  SER B 237   N  ASP B 230           
SHEET    1   R 4 SER B 183  LYS B 189  0                                        
SHEET    2   R 4 GLU B 286  ALA B 294  1  O  GLU B 286   N  SER B 184           
SHEET    3   R 4 LEU B 301  TRP B 306 -1  O  GLU B 304   N  ARG B 293           
SHEET    4   R 4 ALA B 332  VAL B 335 -1  O  VAL B 333   N  CYS B 303           
SHEET    1   S 4 VAL B 326  LYS B 328  0                                        
SHEET    2   S 4 LEU B 315  LYS B 318 -1  N  LEU B 315   O  LYS B 328           
SHEET    3   S 4 GLY B 341  LEU B 347 -1  N  GLN B 344   O  LYS B 318           
SHEET    4   S 4 LEU B 355  VAL B 361 -1  O  LEU B 355   N  LEU B 347           
SSBOND   1 CYS A  130    CYS A  159                          1555   1555  2.58  
SSBOND   2 CYS B   16    CYS B   84                          1555   1555  2.98  
SSBOND   3 CYS B  130    CYS B  159                          1555   1555  2.95  
SSBOND   4 CYS B  303    CYS B  345                          1555   1555  2.95  
CRYST1  126.000  126.000  205.000  90.00  90.00 120.00 P 31 2 1     12          
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      0.007937  0.004582  0.000000        0.00000                         
SCALE2      0.000000  0.009164  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004878        0.00000