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Database: PDB
Entry: 1NCF
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Original site: 1NCF 
HEADER    SIGNALLING PROTEIN                      12-OCT-94   1NCF              
TITLE     A NEW PARADIGM FOR TUMOR NECROSIS FACTOR SIGNALLING                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TUMOR NECROSIS FACTOR RECEPTOR;                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: TYPE I RECEPTOR, STNFR1;                                    
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 OTHER_DETAILS: THE CONSTRUCT CONTAINS RESIDUES 12 - 172 OF           
COMPND   8 THE MATURE RECEPTOR SEQUENCE                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 OTHER_DETAILS: RESIDUE 11 IS MUTATED TO MET AS A RESULT OF           
SOURCE   8 THE EXPRESSION SYSTEM                                                
KEYWDS    BINDING PROTEIN, CYTOKINE, SIGNALLING PROTEIN                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.H.NAISMITH,S.R.SPRANG                                               
REVDAT   2   24-FEB-09 1NCF    1       VERSN                                    
REVDAT   1   07-DEC-95 1NCF    0                                                
JRNL        AUTH   J.H.NAISMITH,T.Q.DEVINE,B.J.BRANDHUBER,S.R.SPRANG            
JRNL        TITL   CRYSTALLOGRAPHIC EVIDENCE FOR DIMERIZATION OF                
JRNL        TITL 2 UNLIGANDED TUMOR NECROSIS FACTOR RECEPTOR.                   
JRNL        REF    J.BIOL.CHEM.                  V. 270 13303 1995              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   7768931                                                      
JRNL        DOI    10.1074/JBC.270.22.13303                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   L.E.RODSETH,B.BRANDHUBER,T.Q.DEVINE,M.J.ECK,K.HALE,          
REMARK   1  AUTH 2 J.H.NAISMITH,S.R.SPRANG                                      
REMARK   1  TITL   TWO CRYSTAL FORMS OF THE EXTRACELLULAR DOMAIN OF             
REMARK   1  TITL 2 TYPE I TUMOR NECROSIS FACTOR RECEPTOR                        
REMARK   1  REF    J.MOL.BIOL.                   V. 239   332 1994              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   D.W.BANNER,A.ARCY,W.JANES,R.GENTZ,H.SCHOENFIELD,             
REMARK   1  AUTH 2 C.BROGER,H.LOETSCHER,W.LESSLAUER                             
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE SOLUBLE HUMAN 55 KD TNF             
REMARK   1  TITL 2 RECEPTOR-HUMAN TNFB COMPLEX: IMPLICATION FOR TNF             
REMARK   1  TITL 3 RECEPTOR ACTIVATION                                          
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  73   431 1993              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.25 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) : 2.25                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19343                          
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) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.249                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
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            : 2162                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 260                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.58                          
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.60                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 26.02                           
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) : 1.500 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.000 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.000 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.500 ; 2.500                
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 1NCF COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
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 : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24198                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
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: NULL                         
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   (%): 59.06                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       92.60000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       34.50000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       46.30000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       34.50000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      138.90000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       34.50000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       46.30000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       34.50000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       34.50000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      138.90000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       92.60000            
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 300 REMARK:                                                              
REMARK 300 MTRIX                                                                
REMARK 300  THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW                
REMARK 300  DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE               
REMARK 300  VARIOUS DOMAINS IN THIS ENTRY.  APPLYING THE APPROPRIATE            
REMARK 300  MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL              
REMARK 300  YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED               
REMARK 300  SECOND.                                                             
REMARK 300                                                                      
REMARK 300            APPLIED TO          TRANSFORMED TO                        
REMARK 300  MTRIX   CHAIN  RESIDUES       CHAIN  RESIDUES     RMSD              
REMARK 300    M1   A   15  ..  A   52     B   15  ..  B   52   0.214            
REMARK 300                                                                      
REMARK 300  THE NCS TRANSFORMATION BETWEEN DOMAIN 1 OF THE TWO                  
REMARK 300  MONOMERS IN THE ASYMMETRIC UNIT.                                    
REMARK 300                                                                      
REMARK 300    M2   A   55  ..  A   96     B   55  ..  B   96   0.314            
REMARK 300                                                                      
REMARK 300  THE NCS TRANSFORMATION BETWEEN DOMAIN 2 OF THE TWO                  
REMARK 300  MONOMERS IN THE ASYMMETRIC UNIT.                                    
REMARK 300                                                                      
REMARK 300    M3   A   98  ..  A  137     B   98  ..  B  137   0.348            
REMARK 300                                                                      
REMARK 300  THE NCS TRANSFORMATION BETWEEN DOMAIN 3 OF THE TWO                  
REMARK 300  MONOMERS IN THE ASYMMETRIC UNIT.                                    
REMARK 300                                                                      
REMARK 300    M4   A  139  ..  A  150     B  139  ..  B  150   0.743            
REMARK 300                                                                      
REMARK 300  THE NCS TRANSFORMATION BETWEEN DOMAIN 4 OF THE TWO                  
REMARK 300  MONOMERS IN THE ASYMMETRIC UNIT.                                    
REMARK 300                                                                      
REMARK 300    S1   B   13  ..  B  156     ?   13  ..  ?  156                    
REMARK 300                                                                      
REMARK 300  THIS GENERATES A MOLECULE WHICH MAY FORM AN ALTERNATIVE             
REMARK 300  DIMER TO THE ONE DESCRIBED BY THE COORDINATES.                      
REMARK 300                                                                      
REMARK 300 SYMMETRY1   1 -1.000000  0.000000  0.000000       34.50000           
REMARK 300 SYMMETRY2   1  0.000000  1.000000  0.000000      -34.50000           
REMARK 300 SYMMETRY3   1  0.000000  0.000000 -1.000000       46.30000           
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2080 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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     VAL A   151                                                      
REMARK 465     SER A   152                                                      
REMARK 465     CYS A   153                                                      
REMARK 465     SER A   154                                                      
REMARK 465     ASN A   155                                                      
REMARK 465     CYS A   156                                                      
REMARK 465     LYS A   157                                                      
REMARK 465     LYS A   158                                                      
REMARK 465     SER A   159                                                      
REMARK 465     LEU A   160                                                      
REMARK 465     GLU A   161                                                      
REMARK 465     CYS A   162                                                      
REMARK 465     THR A   163                                                      
REMARK 465     LYS A   164                                                      
REMARK 465     LEU A   165                                                      
REMARK 465     CYS A   166                                                      
REMARK 465     LEU A   167                                                      
REMARK 465     PRO A   168                                                      
REMARK 465     GLN A   169                                                      
REMARK 465     ILE A   170                                                      
REMARK 465     GLU A   171                                                      
REMARK 465     ASN A   172                                                      
REMARK 465     MET B    11                                                      
REMARK 465     ASP B    12                                                      
REMARK 465     SER B    13                                                      
REMARK 465     CYS B   156                                                      
REMARK 465     LYS B   157                                                      
REMARK 465     LYS B   158                                                      
REMARK 465     SER B   159                                                      
REMARK 465     LEU B   160                                                      
REMARK 465     GLU B   161                                                      
REMARK 465     CYS B   162                                                      
REMARK 465     THR B   163                                                      
REMARK 465     LYS B   164                                                      
REMARK 465     LEU B   165                                                      
REMARK 465     CYS B   166                                                      
REMARK 465     LEU B   167                                                      
REMARK 465     PRO B   168                                                      
REMARK 465     GLN B   169                                                      
REMARK 465     ILE B   170                                                      
REMARK 465     GLU B   171                                                      
REMARK 465     ASN B   172                                                      
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     MET A  11    CG   SD   CE                                        
REMARK 470     ARG A 146    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     GLU A 147    CB   CG   CD   OE1  OE2                             
REMARK 470     ASN A 148    CB   CG   OD1  ND2                                  
REMARK 470     ARG B 146    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     GLU B 147    CB   CG   CD   OE1  OE2                             
REMARK 470     ASN B 148    CB   CG   OD1  ND2                                  
REMARK 470     SER B 154    CB   OG                                             
REMARK 470     ASN B 155    CB   CG   OD1  ND2                                  
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C SSEQI                                                      
REMARK 475     ALA A  141                                                       
REMARK 475     PHE A  143                                                       
REMARK 475     LEU A  145                                                       
REMARK 475     GLU A  147                                                       
REMARK 475     ASN A  148                                                       
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     LYS A  100   CD    CE    NZ                                      
REMARK 480     GLU A  109   CD    OE1   OE2                                     
REMARK 480     LEU A  121   CG    CD1   CD2                                     
REMARK 480     ASN A  122   CG    OD1   ND2                                     
REMARK 480     GLU A  149   CD    OE1   OE2                                     
REMARK 480     LYS B   75   CD    CE    NZ                                      
REMARK 480     LYS B   78   CD    CE    NZ                                      
REMARK 480     LEU B  121   CG    CD1   CD2                                     
REMARK 480     ARG B  146   N     CA                                            
REMARK 480     ASN B  148   N     CA                                            
REMARK 480     CYS B  150   N     CA                                            
REMARK 480     VAL B  151   CB    CG1   CG2                                     
REMARK 480     ASN B  155   O                                                   
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  12      134.77    -37.71                                   
REMARK 500    HIS A  66       48.33   -145.85                                   
REMARK 500    CYS A 120       78.91   -113.56                                   
REMARK 500    GLU A 147     -120.26     72.42                                   
REMARK 500    HIS B  66       39.86   -142.90                                   
REMARK 500    VAL B 125       88.79    -67.34                                   
REMARK 500    GLU B 147     -148.91     78.41                                   
REMARK 500    SER B 154      -68.38    111.02                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999                                                                      
REMARK 999 SOURCE 1                                                             
REMARK 999  THE CONSTRUCT CONTAINS RESIDUES 12 - 172 OF THE MATURE              
REMARK 999  SEQUENCE OF THE ENTIRE RECEPTOR.  RESIDUE 11 IS MUTATED             
REMARK 999  TO MET AS A RESULT OF THE EXPRESSION SYSTEM.                        
DBREF  1NCF A   12   172  UNP    P19438   TNR1A_HUMAN     41    201             
DBREF  1NCF B   12   172  UNP    P19438   TNR1A_HUMAN     41    201             
SEQRES   1 A  162  MET ASP SER VAL CYS PRO GLN GLY LYS TYR ILE HIS PRO          
SEQRES   2 A  162  GLN ASN ASN SER ILE CYS CYS THR LYS CYS HIS LYS GLY          
SEQRES   3 A  162  THR TYR LEU TYR ASN ASP CYS PRO GLY PRO GLY GLN ASP          
SEQRES   4 A  162  THR ASP CYS ARG GLU CYS GLU SER GLY SER PHE THR ALA          
SEQRES   5 A  162  SER GLU ASN HIS LEU ARG HIS CYS LEU SER CYS SER LYS          
SEQRES   6 A  162  CYS ARG LYS GLU MET GLY GLN VAL GLU ILE SER SER CYS          
SEQRES   7 A  162  THR VAL ASP ARG ASP THR VAL CYS GLY CYS ARG LYS ASN          
SEQRES   8 A  162  GLN TYR ARG HIS TYR TRP SER GLU ASN LEU PHE GLN CYS          
SEQRES   9 A  162  PHE ASN CYS SER LEU CYS LEU ASN GLY THR VAL HIS LEU          
SEQRES  10 A  162  SER CYS GLN GLU LYS GLN ASN THR VAL CYS THR CYS HIS          
SEQRES  11 A  162  ALA GLY PHE PHE LEU ARG GLU ASN GLU CYS VAL SER CYS          
SEQRES  12 A  162  SER ASN CYS LYS LYS SER LEU GLU CYS THR LYS LEU CYS          
SEQRES  13 A  162  LEU PRO GLN ILE GLU ASN                                      
SEQRES   1 B  162  MET ASP SER VAL CYS PRO GLN GLY LYS TYR ILE HIS PRO          
SEQRES   2 B  162  GLN ASN ASN SER ILE CYS CYS THR LYS CYS HIS LYS GLY          
SEQRES   3 B  162  THR TYR LEU TYR ASN ASP CYS PRO GLY PRO GLY GLN ASP          
SEQRES   4 B  162  THR ASP CYS ARG GLU CYS GLU SER GLY SER PHE THR ALA          
SEQRES   5 B  162  SER GLU ASN HIS LEU ARG HIS CYS LEU SER CYS SER LYS          
SEQRES   6 B  162  CYS ARG LYS GLU MET GLY GLN VAL GLU ILE SER SER CYS          
SEQRES   7 B  162  THR VAL ASP ARG ASP THR VAL CYS GLY CYS ARG LYS ASN          
SEQRES   8 B  162  GLN TYR ARG HIS TYR TRP SER GLU ASN LEU PHE GLN CYS          
SEQRES   9 B  162  PHE ASN CYS SER LEU CYS LEU ASN GLY THR VAL HIS LEU          
SEQRES  10 B  162  SER CYS GLN GLU LYS GLN ASN THR VAL CYS THR CYS HIS          
SEQRES  11 B  162  ALA GLY PHE PHE LEU ARG GLU ASN GLU CYS VAL SER CYS          
SEQRES  12 B  162  SER ASN CYS LYS LYS SER LEU GLU CYS THR LYS LEU CYS          
SEQRES  13 B  162  LEU PRO GLN ILE GLU ASN                                      
FORMUL   3  HOH   *260(H2 O)                                                    
HELIX    1   1 ARG A   77  GLY A   81  5                                   5    
HELIX    2   2 ARG B   77  GLY B   81  5                                   5    
SHEET    1   A 2 LYS A  19  HIS A  22  0                                        
SHEET    2   A 2 ASN A  25  THR A  31 -1  N  ASN A  25   O  HIS A  22           
SHEET    1   B 2 THR A  37  ASN A  41  0                                        
SHEET    2   B 2 ASP A  51  GLU A  54 -1  N  ASP A  51   O  ASN A  41           
SHEET    1   C 2 SER A  59  PHE A  60  0                                        
SHEET    2   C 2 LEU A  71  SER A  72 -1  N  LEU A  71   O  PHE A  60           
SHEET    1   D 2 VAL A  83  SER A  86  0                                        
SHEET    2   D 2 VAL A  95  GLY A  97 -1  N  VAL A  95   O  SER A  86           
SHEET    1   E 2 GLN A 102  TYR A 106  0                                        
SHEET    2   E 2 PHE A 112  ASN A 116 -1  O  GLN A 113   N  HIS A 105           
SHEET    1   F 2 GLY A 123  LEU A 127  0                                        
SHEET    2   F 2 VAL A 136  CYS A 139 -1  O  VAL A 136   N  HIS A 126           
SHEET    1   G 2 LYS B  19  ILE B  21  0                                        
SHEET    2   G 2 CYS B  29  THR B  31 -1  N  CYS B  30   O  TYR B  20           
SHEET    1   H 2 THR B  37  ASN B  41  0                                        
SHEET    2   H 2 ASP B  51  GLU B  54 -1  N  ASP B  51   O  ASN B  41           
SHEET    1   I 2 SER B  59  PHE B  60  0                                        
SHEET    2   I 2 LEU B  71  SER B  72 -1  N  LEU B  71   O  PHE B  60           
SHEET    1   J 2 VAL B  83  SER B  86  0                                        
SHEET    2   J 2 VAL B  95  GLY B  97 -1  N  VAL B  95   O  SER B  86           
SHEET    1   K 2 GLN B 102  TYR B 106  0                                        
SHEET    2   K 2 PHE B 112  ASN B 116 -1  O  GLN B 113   N  HIS B 105           
SHEET    1   L 2 VAL B 125  LEU B 127  0                                        
SHEET    2   L 2 VAL B 136  CYS B 137 -1  N  VAL B 136   O  LEU B 127           
SHEET    1   M 2 PHE B 143  ARG B 146  0                                        
SHEET    2   M 2 GLU B 149  SER B 152 -1  O  GLU B 149   N  ARG B 146           
SSBOND   1 CYS A   15    CYS A   29                          1555   1555  2.02  
SSBOND   2 CYS A   30    CYS A   43                          1555   1555  2.03  
SSBOND   3 CYS A   33    CYS A   52                          1555   1555  2.03  
SSBOND   4 CYS A   55    CYS A   70                          1555   1555  2.04  
SSBOND   5 CYS A   73    CYS A   88                          1555   1555  2.00  
SSBOND   6 CYS A   76    CYS A   96                          1555   1555  2.03  
SSBOND   7 CYS A   98    CYS A  114                          1555   1555  2.02  
SSBOND   8 CYS A  117    CYS A  129                          1555   1555  2.03  
SSBOND   9 CYS A  120    CYS A  137                          1555   1555  2.03  
SSBOND  10 CYS A  139    CYS A  150                          1555   1555  2.04  
SSBOND  11 CYS B   15    CYS B   29                          1555   1555  2.03  
SSBOND  12 CYS B   30    CYS B   43                          1555   1555  2.03  
SSBOND  13 CYS B   33    CYS B   52                          1555   1555  2.01  
SSBOND  14 CYS B   55    CYS B   70                          1555   1555  2.03  
SSBOND  15 CYS B   73    CYS B   88                          1555   1555  2.03  
SSBOND  16 CYS B   76    CYS B   96                          1555   1555  2.01  
SSBOND  17 CYS B   98    CYS B  114                          1555   1555  2.02  
SSBOND  18 CYS B  117    CYS B  129                          1555   1555  2.02  
SSBOND  19 CYS B  120    CYS B  137                          1555   1555  2.02  
SSBOND  20 CYS B  139    CYS B  150                          1555   1555  2.03  
CRYST1   69.000   69.000  185.200  90.00  90.00  90.00 P 41 21 2    16          
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      0.014493  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014493  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005400        0.00000                         
MTRIX1   1 -0.745000  0.008000  0.667000       14.56700    1                    
MTRIX2   1  0.020000 -0.999000  0.035000       27.10700    1                    
MTRIX3   1  0.667000  0.040000  0.744000       -6.04300    1                    
MTRIX1   2 -0.746000 -0.029000  0.665000       14.68300    1                    
MTRIX2   2  0.045000 -0.999000  0.007000       27.24500    1                    
MTRIX3   2  0.664000  0.035000  0.747000       -5.93200    1                    
MTRIX1   3 -0.814000 -0.073000  0.576000       19.59000    1                    
MTRIX2   3  0.147000 -0.986000  0.083000       22.20100    1                    
MTRIX3   3  0.562000  0.153000  0.813000       -7.71900    1                    
MTRIX1   4 -0.862000  0.043000  0.505000       23.91900    1                    
MTRIX2   4  0.102000 -0.961000  0.255000       11.13100    1                    
MTRIX3   4  0.496000  0.272000  0.825000       -7.60600    1                    
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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