PDB Short entry for 1NRN
HEADER    SERINE PROTEINASE/RECEPTOR              18-JAN-94   1NRN              
TITLE     CRYSTALLOGRAPHIC STRUCTURES OF THROMBIN COMPLEXED WITH                
TITLE    2 THROMBIN RECEPTOR PEPTIDES: EXISTENCE OF EXPECTED AND                
TITLE    3 NOVEL BINDING MODES                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALPHA-THROMBIN (SMALL SUBUNIT);                            
COMPND   3 CHAIN: L;                                                            
COMPND   4 EC: 3.4.21.5;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: ALPHA-THROMBIN (LARGE SUBUNIT);                            
COMPND   8 CHAIN: H;                                                            
COMPND   9 EC: 3.4.21.5;                                                        
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: RECEPTOR BASED PEPTIDE NRS;                                
COMPND  13 CHAIN: R;                                                            
COMPND  14 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   7 ORGANISM_COMMON: HUMAN;                                              
SOURCE   8 ORGANISM_TAXID: 9606;                                                
SOURCE   9 MOL_ID: 3;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  11 ORGANISM_COMMON: HUMAN;                                              
SOURCE  12 ORGANISM_TAXID: 9606                                                 
KEYWDS    SERINE PROTEINASE/RECEPTOR                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.TULINSKY,I.I.MATHEWS                                                
REVDAT   3   24-FEB-09 1NRN    1       VERSN                                    
REVDAT   2   30-SEP-03 1NRN    1       JRNL   DBREF                             
REVDAT   1   31-MAY-94 1NRN    0                                                
JRNL        AUTH   I.I.MATHEWS,K.P.PADMANABHAN,V.GANESH,A.TULINSKY,             
JRNL        AUTH 2 M.ISHII,J.CHEN,C.W.TURCK,S.R.COUGHLIN,                       
JRNL        AUTH 3 J.W.FENTON 2ND.                                              
JRNL        TITL   CRYSTALLOGRAPHIC STRUCTURES OF THROMBIN COMPLEXED            
JRNL        TITL 2 WITH THROMBIN RECEPTOR PEPTIDES: EXISTENCE OF                
JRNL        TITL 3 EXPECTED AND NOVEL BINDING MODES.                            
JRNL        REF    BIOCHEMISTRY                  V.  33  3266 1994              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   8136362                                                      
JRNL        DOI    10.1021/BI00177A018                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   T.J.RYDEL,A.TULINSKY,W.BODE,R.HUBER                          
REMARK   1  TITL   REFINED STRUCTURE OF THE HIRUDIN-THROMBIN COMPLEX            
REMARK   1  REF    J.MOL.BIOL.                   V. 221   583 1991              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   E.SKRZYPCZAK-JANKUN,V.E.CARPEROS,K.G.RAVICHANDRAN,           
REMARK   1  AUTH 2 A.TULINSKY,M.WESTBROOK,J.M.MARAGANORE                        
REMARK   1  TITL   STRUCTURE OF THE HIRUGEN AND HIRULOG 1 COMPLEXES             
REMARK   1  TITL 2 OF ALPHA-THROMBIN                                            
REMARK   1  REF    J.MOL.BIOL.                   V. 221  1379 1991              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 7.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 4396                           
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 + TEST SET) : 0.179                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2410                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 105                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.014 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.046 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.042 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.023 ; 0.030               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.113 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.254 ; 0.500               
REMARK   3    MULTIPLE TORSION                (A) : 0.387 ; 0.500               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.452 ; 0.500               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 2.700 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 21.600; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 0.657 ; 1.500               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 1.189 ; 2.000               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 1.015 ; 2.500               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : 1.741 ; 3.000               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:  SER R 42 DEVIATES FROM THE ALLOWED       
REMARK   3  CONFORMATIONAL ANGLES.                                              
REMARK   4                                                                      
REMARK   4 1NRN 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   : 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: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.74                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.84                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       64.90000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       25.95000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       64.90000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       25.95000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3600 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 14420 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H, R                               
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400                                                                      
REMARK 400 THROMBIN IS CLEAVED BETWEEN RESIDUES 15 AND 16.  CHAIN               
REMARK 400 INDICATOR *L* IS USED FOR RESIDUES 1H - 15 AND CHAIN                 
REMARK 400 INDICATOR *H* IS USED FOR RESIDUES 16 - 247.  CHAIN                  
REMARK 400 INDICATOR *R* IS USED FOR NRS.                                       
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     THR L    -6                                                      
REMARK 465     PHE L    -5                                                      
REMARK 465     GLY L    -4                                                      
REMARK 465     SER L    -3                                                      
REMARK 465     GLY L    -2                                                      
REMARK 465     GLU L    -1                                                      
REMARK 465     ALA L     0                                                      
REMARK 465     THR H   146A                                                     
REMARK 465     TRP H   146B                                                     
REMARK 465     THR H   146C                                                     
REMARK 465     ALA H   146D                                                     
REMARK 465     ASN H   146E                                                     
REMARK 465     VAL H   146F                                                     
REMARK 465     GLY H   146G                                                     
REMARK 465     ASP H   243                                                      
REMARK 465     GLN H   244                                                      
REMARK 465     PHE H   245                                                      
REMARK 465     GLY H   246                                                      
REMARK 465     GLU H   247                                                      
REMARK 465     GLU R    57                                                      
REMARK 465     ASP R    58                                                      
REMARK 465     GLU R    59                                                      
REMARK 465     GLU R    60                                                      
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 L   4   NE  -  CZ  -  NH2 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG L  14D  NE  -  CZ  -  NH2 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG L  15   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    MET H  32   CG  -  SD  -  CE  ANGL. DEV. =  10.0 DEGREES          
REMARK 500    ARG H  35   NE  -  CZ  -  NH2 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG H  50   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H  67   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H  73   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H  75   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H  77A  NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    MET H  84   CG  -  SD  -  CE  ANGL. DEV. =   9.6 DEGREES          
REMARK 500    ARG H  93   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H  97   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H 101   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG H 126   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG H 137   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG H 175   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    ARG H 187   NE  -  CZ  -  NH2 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG H 206   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG H 233   NE  -  CZ  -  NH1 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    ARG R  41   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 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    PHE L   7      -67.85   -132.29                                   
REMARK 500    ASP L  14L      99.24     79.81                                   
REMARK 500    GLU H  39      147.57    173.31                                   
REMARK 500    LEU H  41      -64.39    -94.92                                   
REMARK 500    ARG H  50        3.83   -163.38                                   
REMARK 500    PRO H  60C       1.65    -56.59                                   
REMARK 500    ASN H  60G      72.69   -161.37                                   
REMARK 500    HIS H  71      -54.04   -132.84                                   
REMARK 500    ARG H  77A     -66.03    -18.88                                   
REMARK 500    ASN H  98       17.70   -165.62                                   
REMARK 500    LEU H  99       48.54     72.41                                   
REMARK 500    ALA H 104      141.25   -170.10                                   
REMARK 500    LYS H 107       87.30    -61.56                                   
REMARK 500    SER H 115     -163.23   -176.28                                   
REMARK 500    TRP H 141       37.83    -97.59                                   
REMARK 500    LYS H 145     -167.58   -178.62                                   
REMARK 500    LEU H 155      133.14    -33.01                                   
REMARK 500    GLU H 186B     -42.80    -29.09                                   
REMARK 500    SER R  42     -145.60   -169.01                                   
REMARK 500    PHE R  43     -164.58   -163.42                                   
REMARK 500    ARG R  46      -69.81   -143.08                                   
REMARK 500    PRO R  54     -160.53    -67.41                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH H 418        DISTANCE =  5.34 ANGSTROMS                       
REMARK 525    HOH H 509        DISTANCE =  6.08 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: NULL                                               
DBREF  1NRN L   -6    15  UNP    P00734   THRB_HUMAN     328    363             
DBREF  1NRN H   16   247  UNP    P00734   THRB_HUMAN     364    622             
DBREF  1NRN R   38    60  UNP    P25116   PAR1_HUMAN      38     60             
SEQRES   1 L   36  THR PHE GLY SER GLY GLU ALA ASP CYS GLY LEU ARG PRO          
SEQRES   2 L   36  LEU PHE GLU LYS LYS SER LEU GLU ASP LYS THR GLU ARG          
SEQRES   3 L   36  GLU LEU LEU GLU SER TYR ILE ASP GLY ARG                      
SEQRES   1 H  259  ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO          
SEQRES   2 H  259  TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU          
SEQRES   3 H  259  LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU          
SEQRES   4 H  259  THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS          
SEQRES   5 H  259  ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS          
SEQRES   6 H  259  HIS SER ARG THR ARG TYR GLU ARG ASN ILE GLU LYS ILE          
SEQRES   7 H  259  SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN          
SEQRES   8 H  259  TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS          
SEQRES   9 H  259  LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO          
SEQRES  10 H  259  VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU          
SEQRES  11 H  259  GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN          
SEQRES  12 H  259  LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN          
SEQRES  13 H  259  PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU          
SEQRES  14 H  259  ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR          
SEQRES  15 H  259  ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY          
SEQRES  16 H  259  LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO          
SEQRES  17 H  259  PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN          
SEQRES  18 H  259  MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP          
SEQRES  19 H  259  GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS          
SEQRES  20 H  259  LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE GLY GLU              
SEQRES   1 R   23  LEU ASP PRO ARG SER PHE LEU LEU ARG ASN PRO ASN ASP          
SEQRES   2 R   23  LYS TYR GLU PRO PHE TRP GLU ASP GLU GLU                      
FORMUL   4  HOH   *105(H2 O)                                                    
HELIX    1  H1 ALA H   55  LEU H   60  1                                   6    
HELIX    2  H2 GLU H  164  SER H  171  1                                   8    
HELIX    3  H3 ASP H  125  LEU H  129C 1                                   8    
HELIX    4  H4 VAL H  231  ILE H  242  1                                  12    
SHEET    1  B1 7 PRO H  28  ARG H  35  0                                        
SHEET    2  B1 7 CYS H  42  ASP H  49 -1                                        
SHEET    3  B1 7 ARG H  50  ALA H  56 -1                                        
SHEET    4  B1 7 ARG H 101  LYS H 110 -1                                        
SHEET    5  B1 7 LYS H  81  PRO H  92 -1                                        
SHEET    6  B1 7 ASP H  63  GLY H  69 -1                                        
SHEET    7  B1 7 PRO H  28  ARG H  35 -1                                        
SHEET    1  B2 7 GLY H 133  TRP H 141  0                                        
SHEET    2  B2 7 LEU H 155  ILE H 162 -1                                        
SHEET    3  B2 7 ASN H 179  PRO H 186 -1                                        
SHEET    4  B2 7 GLY H 223  THR H 229 -1                                        
SHEET    5  B2 7 ILE H 212  GLU H 217 -1                                        
SHEET    6  B2 7 GLY H 193  MET H 201 -1                                        
SHEET    7  B2 7 GLY H 133  TRP H 141 -1                                        
SSBOND   1 CYS H   42    CYS H   58                          1555   1555  2.05  
SSBOND   2 CYS H  168    CYS H  182                          1555   1555  2.05  
SSBOND   3 CYS H  191    CYS H  220                          1555   1555  2.04  
SSBOND   4 CYS L    1    CYS H  122                          1555   1555  2.04  
CISPEP   1 SER H   36A   PRO H   37          0        -0.84                     
SITE     1 CAT  3 HIS H  57  ASP H 102  SER H 195                               
CRYST1  129.800   51.900   63.300  90.00 101.00  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.007704  0.000000  0.001498        0.00000                         
SCALE2      0.000000  0.019268  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016093        0.00000