PDB Short entry for 1R20
HEADER    HORMONE/GROWTH FACTOR RECEPTOR          25-SEP-03   1R20              
TITLE     CRYSTAL STRUCTURE OF THE LIGAND-BINDING DOMAINS OF THE                
TITLE    2 HETERODIMER ECR/USP BOUND TO THE SYNTHETIC AGONIST BYI06830          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ULTRASPIRACLE PROTEIN;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: ECDYSONE RECEPTOR;                                         
COMPND   7 CHAIN: D;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HELIOTHIS VIRESCENS;                            
SOURCE   3 ORGANISM_COMMON: TOBACCO BUDWORM;                                    
SOURCE   4 ORGANISM_TAXID: 7102;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PACYC11B;                                 
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: HELIOTHIS VIRESCENS;                            
SOURCE  11 ORGANISM_COMMON: TOBACCO BUDWORM;                                    
SOURCE  12 ORGANISM_TAXID: 7102;                                                
SOURCE  13 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  14 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  15 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  16 EXPRESSION_SYSTEM_PLASMID: PET28B                                    
KEYWDS    NUCLEAR RECEPTOR, HETERODIMER, ALPHA-HELICAL SANDWICH,                
KEYWDS   2 STRUCTURAL PROTEOMICS IN EUROPE, SPINE, STRUCTURAL GENOMICS,         
KEYWDS   3 HORMONE/GROWTH FACTOR RECEPTOR COMPLEX                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.M.L.BILLAS,T.IWEMA,J.M.GARNIER,A.MITSCHLER,N.ROCHEL,                
AUTHOR   2 D.MORAS,STRUCTURAL PROTEOMICS IN EUROPE (SPINE)                      
REVDAT   2   24-FEB-09 1R20    1       VERSN                                    
REVDAT   1   18-NOV-03 1R20    0                                                
JRNL        AUTH   I.M.L.BILLAS,T.IWEMA,J.M.GARNIER,A.MITSCHLER,                
JRNL        AUTH 2 N.ROCHEL,D.MORAS                                             
JRNL        TITL   STRUCTURAL ADAPTABILITY IN THE LIGAND-BINDING                
JRNL        TITL 2 POCKET OF THE ECDYSONE HORMONE RECEPTOR.                     
JRNL        REF    NATURE                        V. 426    91 2003              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   14595375                                                     
JRNL        DOI    10.1038/NATURE02112                                          
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 15108                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.244                           
REMARK   3   FREE R VALUE                     : 0.289                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1532                            
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            : 3717                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 78                                      
REMARK   3   SOLVENT ATOMS            : 11                                      
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) : 0.020                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.00                            
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 1R20 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-NOV-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB020340.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-MAR-02; 14-JUN-02               
REMARK 200  TEMPERATURE           (KELVIN) : 110; 110                           
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : ESRF; ESRF                         
REMARK 200  BEAMLINE                       : ID14-4; ID14-4                     
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9393; 0.9393                     
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111);         
REMARK 200                                   SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4; ADSC QUANTUM 4     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15421                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07200                            
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) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 85.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.35500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 62.38                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.27                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 1000, PEG 8000, MGCL2, PH 7.5,       
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 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                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-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 -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        0.00000            
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        0.00000            
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        0.00000            
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        0.00000            
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 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: 4780 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 21130 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11510 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 40320 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D                                  
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   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       61.05800            
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     MET A   204                                                      
REMARK 465     VAL A   205                                                      
REMARK 465     GLU A   305                                                      
REMARK 465     ARG A   306                                                      
REMARK 465     ASP A   307                                                      
REMARK 465     GLY A   308                                                      
REMARK 465     VAL A   309                                                      
REMARK 465     ASP A   310                                                      
REMARK 465     GLY A   311                                                      
REMARK 465     THR A   312                                                      
REMARK 465     GLY A   313                                                      
REMARK 465     ASN A   314                                                      
REMARK 465     ARG A   315                                                      
REMARK 465     ASN A   456                                                      
REMARK 465     HIS A   457                                                      
REMARK 465     ALA A   458                                                      
REMARK 465     PRO A   459                                                      
REMARK 465     PRO A   460                                                      
REMARK 465     ILE A   461                                                      
REMARK 465     ASP A   462                                                      
REMARK 465     THR A   463                                                      
REMARK 465     ASN A   464                                                      
REMARK 465     MET A   465                                                      
REMARK 465     MET A   466                                                      
REMARK 465     GLY D   268                                                      
REMARK 465     SER D   269                                                      
REMARK 465     HIS D   270                                                      
REMARK 465     MET D   271                                                      
REMARK 465     ALA D   272                                                      
REMARK 465     SER D   273                                                      
REMARK 465     MET D   274                                                      
REMARK 465     THR D   275                                                      
REMARK 465     GLY D   276                                                      
REMARK 465     GLY D   277                                                      
REMARK 465     GLN D   278                                                      
REMARK 465     GLN D   279                                                      
REMARK 465     MET D   280                                                      
REMARK 465     GLY D   281                                                      
REMARK 465     ARG D   282                                                      
REMARK 465     ASP D   283                                                      
REMARK 465     PRO D   284                                                      
REMARK 465     LYS D   285                                                      
REMARK 465     ASN D   286                                                      
REMARK 465     VAL D   319                                                      
REMARK 465     THR D   320                                                      
REMARK 465     GLN D   321                                                      
REMARK 465     THR D   322                                                      
REMARK 465     TRP D   323                                                      
REMARK 465     GLN D   324                                                      
REMARK 465     SER D   325                                                      
REMARK 465     ASP D   326                                                      
REMARK 465     GLU D   327                                                      
REMARK 465     ASP D   328                                                      
REMARK 465     ASP D   329                                                      
REMARK 465     GLU D   330                                                      
REMARK 465     ASP D   331                                                      
REMARK 465     SER D   332                                                      
REMARK 465     ALA D   529                                                      
REMARK 465     ASP D   530                                                      
REMARK 465     VAL D   531                                                      
REMARK 465     ALA D   532                                                      
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 206    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 207    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 304    CG   CD   OE1  OE2                                  
REMARK 470     THR A 316    CB   OG1  CG2                                       
REMARK 470     THR A 317    CB   OG1  CG2                                       
REMARK 470     SER A 318    CB   OG                                             
REMARK 470     ASP D 389    CG   OD1  OD2                                       
REMARK 470     ARG D 482    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS D 517    CG   CD   CE   NZ                                   
REMARK 470     VAL D 528    CG1  CG2                                            
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   SD   MET A   329     SD   MET A   329     4556     2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    MET A 329   SD    MET A 329   CE      0.346                       
REMARK 500    PHE D 360   CE1   PHE D 360   CZ      0.135                       
REMARK 500    CYS D 426   CB    CYS D 426   SG     -0.099                       
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    PRO A 422   C   -  N   -  CA  ANGL. DEV. = -10.8 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    LEU A 219      105.87    -54.90                                   
REMARK 500    ALA A 221     -160.39    -51.42                                   
REMARK 500    PRO A 223       61.08    -62.34                                   
REMARK 500    SER A 224      -98.21    -84.69                                   
REMARK 500    PRO A 240      -54.44    -29.35                                   
REMARK 500    ILE A 267      132.61    -34.75                                   
REMARK 500    HIS A 269      -26.68     80.16                                   
REMARK 500    SER A 285       -3.42   -149.97                                   
REMARK 500    SER A 298        0.13    -63.70                                   
REMARK 500    PRO A 320      105.06    -57.19                                   
REMARK 500    PRO A 327      136.14    -29.67                                   
REMARK 500    MET A 329       85.95   -167.14                                   
REMARK 500    GLN A 338      -19.45    -46.09                                   
REMARK 500    VAL A 341       21.43    -79.85                                   
REMARK 500    VAL A 348      -73.42    -56.22                                   
REMARK 500    LEU A 352      -66.61   -126.67                                   
REMARK 500    ARG A 405       -2.32    -59.17                                   
REMARK 500    SER A 406      -92.23   -115.08                                   
REMARK 500    LEU A 418       -9.88    -58.54                                   
REMARK 500    THR D 291     -161.75    -63.44                                   
REMARK 500    TYR D 304       42.14    -74.38                                   
REMARK 500    GLN D 305      -42.12   -140.12                                   
REMARK 500    TYR D 308       34.42    -87.64                                   
REMARK 500    GLU D 309      102.62    -47.99                                   
REMARK 500    PRO D 311       98.29    -52.02                                   
REMARK 500    GLU D 314       -4.32    -46.92                                   
REMARK 500    ASP D 315      106.13    -55.06                                   
REMARK 500    PRO D 335       15.80    -55.22                                   
REMARK 500    PHE D 336      -19.50    -47.55                                   
REMARK 500    MET D 342      -71.97    -38.14                                   
REMARK 500    ALA D 354       -4.05    -56.44                                   
REMARK 500    LYS D 355      -66.45   -105.44                                   
REMARK 500    PRO D 358       55.65    -45.67                                   
REMARK 500    PHE D 360      -82.59    -23.06                                   
REMARK 500    SER D 361      -52.92    -27.18                                   
REMARK 500    SER D 364      179.52    -56.81                                   
REMARK 500    GLN D 365     -101.24    -73.57                                   
REMARK 500    SER D 366      -27.26    -39.42                                   
REMARK 500    ILE D 369      -14.04    -48.01                                   
REMARK 500    TYR D 388      107.17    -43.80                                   
REMARK 500    ASP D 393       56.29     74.19                                   
REMARK 500    LEU D 396       77.96   -112.29                                   
REMARK 500    ASN D 399       40.94     24.96                                   
REMARK 500    ALA D 402      -98.59    -33.98                                   
REMARK 500    ASP D 406      -77.90    -78.17                                   
REMARK 500    ASP D 433     -147.08    -68.87                                   
REMARK 500    HIS D 436      -71.28    -49.15                                   
REMARK 500    ILE D 461      -73.89    -71.17                                   
REMARK 500    SER D 478       64.23     39.86                                   
REMARK 500    ALA D 479       13.26     50.47                                   
REMARK 500    ILE D 509      -38.26    -37.53                                   
REMARK 500    LEU D 513       43.92   -102.36                                   
REMARK 500    LYS D 514       20.24   -144.86                                   
REMARK 500    ASN D 515       98.15     51.14                                   
REMARK 500    PRO D 520        1.76    -54.56                                   
REMARK 500    GLU D 524      -82.83    -66.21                                   
REMARK 500    TRP D 526       50.93    -96.46                                   
REMARK 500    ASP D 527      148.37    -25.38                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HWG D 2000                
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPH A 4000                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1R1K   RELATED DB: PDB                                   
REMARK 900 RELATED ID: IGBMC-0090-000   RELATED DB: TARGETDB                    
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 NO SUITABLE SEQUENCE DATABASE REFERENCE WAS                          
REMARK 999 AVAILABLE FOR CHAINS A OR D, AT THE TIME OF                          
REMARK 999 PROCESSING THIS FILE. IN CHAIN D THE FOLLOWING                       
REMARK 999 RESIDUES WERE MUTATED COMPARED TO THE WILD-                          
REMARK 999 TYPE PROTEIN: W303Y, A361S, L456S, C483S.                            
DBREF  1R20 A  205   466  UNP    Q7SIF6   Q7SIF6_HELVI     3    264             
DBREF  1R20 D  285   532  UNP    O18473   ECR_HELVI      306    550             
SEQRES   1 A  263  MET VAL GLN GLU LEU SER ILE GLU ARG LEU LEU GLU MET          
SEQRES   2 A  263  GLU SER LEU VAL ALA ASP PRO SER GLU GLU PHE GLN PHE          
SEQRES   3 A  263  LEU ARG VAL GLY PRO ASP SER ASN VAL PRO PRO LYS PHE          
SEQRES   4 A  263  ARG ALA PRO VAL SER SER LEU CYS GLN ILE GLY ASN LYS          
SEQRES   5 A  263  GLN ILE ALA ALA LEU VAL VAL TRP ALA ARG ASP ILE PRO          
SEQRES   6 A  263  HIS PHE SER GLN LEU GLU MET GLU ASP GLN ILE LEU LEU          
SEQRES   7 A  263  ILE LYS GLY SER TRP ASN GLU LEU LEU LEU PHE ALA ILE          
SEQRES   8 A  263  ALA TRP ARG SER MET GLU PHE LEU THR GLU GLU ARG ASP          
SEQRES   9 A  263  GLY VAL ASP GLY THR GLY ASN ARG THR THR SER PRO PRO          
SEQRES  10 A  263  GLN LEU MET CYS LEU MET PRO GLY MET THR LEU HIS ARG          
SEQRES  11 A  263  ASN SER ALA LEU GLN ALA GLY VAL GLY GLN ILE PHE ASP          
SEQRES  12 A  263  ARG VAL LEU SER GLU LEU SER LEU LYS MET ARG THR LEU          
SEQRES  13 A  263  ARG VAL ASP GLN ALA GLU TYR VAL ALA LEU LYS ALA ILE          
SEQRES  14 A  263  ILE LEU LEU ASN PRO ASP VAL LYS GLY LEU LYS ASN ARG          
SEQRES  15 A  263  GLN GLU VAL GLU VAL LEU ARG GLU LYS MET PHE LEU CYS          
SEQRES  16 A  263  LEU ASP GLU TYR CYS ARG ARG SER ARG SER SER GLU GLU          
SEQRES  17 A  263  GLY ARG PHE ALA ALA LEU LEU LEU ARG LEU PRO ALA LEU          
SEQRES  18 A  263  ARG SER ILE SER LEU LYS SER PHE GLU HIS LEU PHE PHE          
SEQRES  19 A  263  PHE HIS LEU VAL ALA ASP THR SER ILE ALA GLY TYR ILE          
SEQRES  20 A  263  ARG ASP ALA LEU ARG ASN HIS ALA PRO PRO ILE ASP THR          
SEQRES  21 A  263  ASN MET MET                                                  
SEQRES   1 D  265  GLY SER HIS MET ALA SER MET THR GLY GLY GLN GLN MET          
SEQRES   2 D  265  GLY ARG ASP PRO LYS ASN VAL PRO PRO LEU THR ALA ASN          
SEQRES   3 D  265  GLN LYS SER LEU ILE ALA ARG LEU VAL TYR TYR GLN GLU          
SEQRES   4 D  265  GLY TYR GLU GLN PRO SER GLU GLU ASP LEU LYS ARG VAL          
SEQRES   5 D  265  THR GLN THR TRP GLN SER ASP GLU ASP ASP GLU ASP SER          
SEQRES   6 D  265  ASP MET PRO PHE ARG GLN ILE THR GLU MET THR ILE LEU          
SEQRES   7 D  265  THR VAL GLN LEU ILE VAL GLU PHE ALA LYS GLY LEU PRO          
SEQRES   8 D  265  GLY PHE SER LYS ILE SER GLN SER ASP GLN ILE THR LEU          
SEQRES   9 D  265  LEU LYS ALA CYS SER SER GLU VAL MET MET LEU ARG VAL          
SEQRES  10 D  265  ALA ARG ARG TYR ASP ALA ALA THR ASP SER VAL LEU PHE          
SEQRES  11 D  265  ALA ASN ASN GLN ALA TYR THR ARG ASP ASN TYR ARG LYS          
SEQRES  12 D  265  ALA GLY MET ALA TYR VAL ILE GLU ASP LEU LEU HIS PHE          
SEQRES  13 D  265  CYS ARG CYS MET TYR SER MET MET MET ASP ASN VAL HIS          
SEQRES  14 D  265  TYR ALA LEU LEU THR ALA ILE VAL ILE PHE SER ASP ARG          
SEQRES  15 D  265  PRO GLY LEU GLU GLN PRO SER LEU VAL GLU GLU ILE GLN          
SEQRES  16 D  265  ARG TYR TYR LEU ASN THR LEU ARG VAL TYR ILE LEU ASN          
SEQRES  17 D  265  GLN ASN SER ALA SER PRO ARG SER ALA VAL ILE PHE GLY          
SEQRES  18 D  265  LYS ILE LEU GLY ILE LEU THR GLU ILE ARG THR LEU GLY          
SEQRES  19 D  265  MET GLN ASN SER ASN MET CYS ILE SER LEU LYS LEU LYS          
SEQRES  20 D  265  ASN ARG LYS LEU PRO PRO PHE LEU GLU GLU ILE TRP ASP          
SEQRES  21 D  265  VAL ALA ASP VAL ALA                                          
HET    HWG  D2000      29                                                       
HET    EPH  A4000      49                                                       
HETNAM     HWG N-(TERT-BUTYL)-3,5-DIMETHYL-N'-[(5-METHYL-2,3-DIHYDRO-           
HETNAM   2 HWG  1,4-BENZODIOXIN-6-YL)CARBONYL]BENZOHYDRAZIDE                    
HETNAM     EPH L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-                
HETNAM   2 EPH  PHOSPHATIDYLETHANOLAMINE                                        
HETSYN     HWG 3,5-DIMETHYL-BENZOIC ACID N-TERT-BUTYL-N'-(5-METHYL-2,           
HETSYN   2 HWG  3-DIHYDRO-BENZO[1,4]DIOXINE-6-CARBONYL)-HYDRAZIDE,              
HETSYN   3 HWG  BYI6830                                                         
FORMUL   3  HWG    C23 H28 N2 O4                                                
FORMUL   4  EPH    C39 H68 N O8 P                                               
FORMUL   5  HOH   *11(H2 O)                                                     
HELIX    1   1 SER A  209  LEU A  219  1                                  11    
HELIX    2   2 PRO A  239  ARG A  243  5                                   5    
HELIX    3   3 ALA A  244  ILE A  267  1                                  24    
HELIX    4   4 HIS A  269  LEU A  273  5                                   5    
HELIX    5   5 GLU A  274  GLY A  284  1                                  11    
HELIX    6   6 SER A  285  SER A  298  1                                  14    
HELIX    7   7 ARG A  333  GLN A  338  1                                   6    
HELIX    8   8 VAL A  341  LEU A  352  1                                  12    
HELIX    9   9 LEU A  352  ARG A  360  1                                   9    
HELIX   10  10 ASP A  362  LEU A  375  1                                  14    
HELIX   11  11 ARG A  385  SER A  406  1                                  22    
HELIX   12  12 GLY A  412  LEU A  419  1                                   8    
HELIX   13  13 LEU A  419  PHE A  438  1                                  20    
HELIX   14  14 ALA A  442  ARG A  455  1                                  14    
HELIX   15  15 THR D  291  GLY D  307  1                                  17    
HELIX   16  16 PRO D  335  ALA D  354  1                                  20    
HELIX   17  17 GLY D  359  ILE D  363  5                                   5    
HELIX   18  18 SER D  364  ARG D  386  1                                  23    
HELIX   19  19 THR D  404  ALA D  411  1                                   8    
HELIX   20  20 MET D  413  SER D  429  1                                  17    
HELIX   21  21 ASN D  434  PHE D  446  1                                  13    
HELIX   22  22 GLN D  454  ASN D  477  1                                  24    
HELIX   23  23 PRO D  481  LEU D  513  1                                  33    
HELIX   24  24 PHE D  521  TRP D  526  1                                   6    
SHEET    1   A 2 LEU A 322  MET A 326  0                                        
SHEET    2   A 2 MET A 329  HIS A 332 -1  O  LEU A 331   N  MET A 323           
SHEET    1   B 2 TYR D 388  ASP D 389  0                                        
SHEET    2   B 2 SER D 394  VAL D 395 -1  O  SER D 394   N  ASP D 389           
SITE     1 AC1 12 THR D 343  SER D 377  MET D 380  VAL D 384                    
SITE     2 AC1 12 TYR D 408  MET D 413  VAL D 416  LEU D 420                    
SITE     3 AC1 12 LEU D 500  GLN D 503  ASN D 504  MET D 507                    
SITE     1 AC2 13 LEU A 230  VAL A 238  PRO A 239  PHE A 242                    
SITE     2 AC2 13 VAL A 246  LEU A 249  MET A 323  LEU A 331                    
SITE     3 AC2 13 GLN A 338  VAL A 341  SER A 431  PHE A 438                    
SITE     4 AC2 13 LEU A 440                                                     
CRYST1  149.429  149.429   61.058  90.00  90.00 120.00 P 3 2 1       6          
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      0.006692  0.003864  0.000000        0.00000                         
SCALE2      0.000000  0.007727  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016378        0.00000