HEADER    GENE REGULATION                         17-DEC-98   1DBH              
TITLE     DBL AND PLECKSTRIN HOMOLOGY DOMAINS FROM HSOS1                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (HUMAN SOS 1);                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: DBL AND PLECKSTRIN HOMOLOGY DOMAINS;                       
COMPND   5 SYNONYM: SON OF SEVENLESS PROTEIN;                                   
COMPND   6 ENGINEERED: YES                                                      
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 BL21;                            
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21                                       
KEYWDS    GUANINE NUCLEOTIDE EXCHANGE FACTOR, GENE REGULATION                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.M.SOISSON,J.KURIYAN                                                 
REVDAT   5   13-NOV-24 1DBH    1       SEQADV LINK                              
REVDAT   4   24-FEB-09 1DBH    1       VERSN                                    
REVDAT   3   01-APR-03 1DBH    1       JRNL                                     
REVDAT   2   29-DEC-99 1DBH    4       HEADER COMPND REMARK JRNL                
REVDAT   2 2                   4       ATOM   SOURCE SEQRES                     
REVDAT   1   23-DEC-98 1DBH    0                                                
JRNL        AUTH   S.M.SOISSON,A.S.NIMNUAL,M.UY,D.BAR-SAGI,J.KURIYAN            
JRNL        TITL   CRYSTAL STRUCTURE OF THE DBL AND PLECKSTRIN HOMOLOGY DOMAINS 
JRNL        TITL 2 FROM THE HUMAN SON OF SEVENLESS PROTEIN.                     
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V.  95   259 1998              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   9790532                                                      
JRNL        DOI    10.1016/S0092-8674(00)81756-0                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS CNS-03                                           
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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
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)   (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 23586                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.229                           
REMARK   3   FREE R VALUE                     : 0.269                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2393                            
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           : 47                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.32                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 462                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2740                       
REMARK   3   BIN FREE R VALUE                    : 0.3190                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 33                           
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            : 2748                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 69                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.59500                                              
REMARK   3    B22 (A**2) : 5.69000                                              
REMARK   3    B33 (A**2) : -10.28400                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 6.10400                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.256                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.240 ; 2.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.590 ; 2.500                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.320 ; 2.500                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.710 ; 3.000                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : DENSITY MODIFICATION                                 
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 45.40                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: DISORDERED SIDE CHAIN ATOM OCCUPANCIES    
REMARK   3  WERE SET TO ZERO                                                    
REMARK   4                                                                      
REMARK   4 1DBH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                               
REMARK 100 THE DEPOSITION ID IS D_1000008251.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9686, 0.9792, 0.9794, 0.9856     
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS                       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23805                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 19.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.40                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.18700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: MLPHARE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: SELENOMETHIONINE MAD DATA WERE COLLECTED USING INVERSE       
REMARK 200  -BEAM GEOMETRY                                                      
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 62.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.21                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 5 MG/ML PROTEIN 100 MM BIS-TRIS PH 6.5   
REMARK 280  1-3% PEG6000 1 MM DTT                                               
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       52.20000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.22000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       52.20000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       35.22000            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     CYS A   405                                                      
REMARK 465     ARG A   406                                                      
REMARK 465     PHE A   407                                                      
REMARK 465     TYR A   408                                                      
REMARK 465     SER A   409                                                      
REMARK 465     GLN A   410                                                      
REMARK 465     GLN A   411                                                      
REMARK 465     MSE A   412                                                      
REMARK 465     LYS A   413                                                      
REMARK 465     GLY A   414                                                      
REMARK 465     LYS A   415                                                      
REMARK 465     GLN A   416                                                      
REMARK 465     LEU A   417                                                      
REMARK 465     GLU A   551                                                      
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     GLU A  198   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  206   CD   CE   NZ                                        
REMARK 480     LYS A  224   CG   CD   CE   NZ                                   
REMARK 480     LYS A  235   CG   CD   CE   NZ                                   
REMARK 480     GLU A  254   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  258   CG   CD   CE   NZ                                   
REMARK 480     GLU A  268   CG   CD   OE1  OE2                                  
REMARK 480     MSE A  269  SE    CE                                             
REMARK 480     ASP A  271   CG   OD1  OD2                                       
REMARK 480     GLU A  272   CG   CD   OE1  OE2                                  
REMARK 480     ARG A  304   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ARG A  310   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A  358   CG   CD   CE   NZ                                   
REMARK 480     GLU A  362   CG   CD   OE1  OE2                                  
REMARK 480     GLU A  368   CG   CD   OE1  OE2                                  
REMARK 480     GLU A  388   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  389   CG   CD   CE   NZ                                   
REMARK 480     LEU A  395   CD1  CD2                                            
REMARK 480     LYS A  397   CE   NZ                                             
REMARK 480     ARG A  398   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ILE A  419   CB   CG1  CG2  CD1                                  
REMARK 480     LYS A  420   CG   CD   CE   NZ                                   
REMARK 480     LYS A  421   CG   CD   CE   NZ                                   
REMARK 480     GLU A  424   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  427   C    O    CG   CD   CE   NZ                         
REMARK 480     LYS A  435   CG   CD   CE   NZ                                   
REMARK 480     GLN A  439   CG   CD   OE1  NE2                                  
REMARK 480     GLU A  443   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  456   CG   CD   CE   NZ                                   
REMARK 480     HIS A  457   CB   CG   ND1  CD2  CE1  NE2                        
REMARK 480     GLU A  458   CD   OE1  OE2                                       
REMARK 480     ASN A  485   OD1  ND2                                            
REMARK 480     ARG A  497   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A  498   CG   CD   CE   NZ                                   
REMARK 480     VAL A  499   CG1  CG2                                            
REMARK 480     GLN A  500   CG   CD   OE1  NE2                                  
REMARK 480     LYS A  504   CE   NZ                                             
REMARK 480     ASP A  506   CG   OD1  OD2                                       
REMARK 480     ASN A  508   CG   OD1  ND2                                       
REMARK 480     GLU A  509   CG   CD   OE1  OE2                                  
REMARK 480     LYS A  511   CG   CD   CE   NZ                                   
REMARK 480     LEU A  518   CG   CD1  CD2                                       
REMARK 480     LYS A  519   CG   CD   CE   NZ                                   
REMARK 480     ASP A  520   CG   OD1  OD2                                       
REMARK 480     GLU A  521   CG   CD   OE1  OE2                                  
REMARK 480     ASN A  522   CG   OD1  ND2                                       
REMARK 480     GLU A  533   CG   CD   OE1  OE2                                  
REMARK 480     ARG A  547   CG   CD   NE   CZ   NH1  NH2                        
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    LYS A 427   C     ASN A 428   N      -0.139                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 304   NE  -  CZ  -  NH2 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG A 310   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG A 398   NE  -  CZ  -  NH2 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A 547   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    SER A 247     -138.53     45.26                                   
REMARK 500    CYS A 440       -4.89   -167.04                                   
REMARK 500    ILE A 445      -67.80    -99.07                                   
REMARK 500    VAL A 453      106.19    -54.21                                   
REMARK 500    LYS A 491      -57.11   -121.61                                   
REMARK 500    ARG A 497       31.62   -171.48                                   
REMARK 500    ASN A 508       25.85    -61.61                                   
REMARK 500    GLU A 509      -12.72     65.41                                   
REMARK 500    ASP A 520       11.24     53.75                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1DBH A  198   551  UNP    Q07889   SOS1_HUMAN     198    551             
SEQADV 1DBH MSE A  209  UNP  Q07889    MET   209 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  269  UNP  Q07889    MET   269 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  387  UNP  Q07889    MET   387 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  412  UNP  Q07889    MET   412 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  422  UNP  Q07889    MET   422 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  446  UNP  Q07889    MET   446 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  468  UNP  Q07889    MET   468 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  496  UNP  Q07889    MET   496 MODIFIED RESIDUE               
SEQADV 1DBH MSE A  538  UNP  Q07889    MET   538 MODIFIED RESIDUE               
SEQRES   1 A  354  GLU GLN THR TYR TYR ASP LEU VAL LYS ALA PHE MSE ALA          
SEQRES   2 A  354  GLU ILE ARG GLN TYR ILE ARG GLU LEU ASN LEU ILE ILE          
SEQRES   3 A  354  LYS VAL PHE ARG GLU PRO PHE VAL SER ASN SER LYS LEU          
SEQRES   4 A  354  PHE SER ALA ASN ASP VAL GLU ASN ILE PHE SER ARG ILE          
SEQRES   5 A  354  VAL ASP ILE HIS GLU LEU SER VAL LYS LEU LEU GLY HIS          
SEQRES   6 A  354  ILE GLU ASP THR VAL GLU MSE THR ASP GLU GLY SER PRO          
SEQRES   7 A  354  HIS PRO LEU VAL GLY SER CYS PHE GLU ASP LEU ALA GLU          
SEQRES   8 A  354  GLU LEU ALA PHE ASP PRO TYR GLU SER TYR ALA ARG ASP          
SEQRES   9 A  354  ILE LEU ARG PRO GLY PHE HIS ASP ARG PHE LEU SER GLN          
SEQRES  10 A  354  LEU SER LYS PRO GLY ALA ALA LEU TYR LEU GLN SER ILE          
SEQRES  11 A  354  GLY GLU GLY PHE LYS GLU ALA VAL GLN TYR VAL LEU PRO          
SEQRES  12 A  354  ARG LEU LEU LEU ALA PRO VAL TYR HIS CYS LEU HIS TYR          
SEQRES  13 A  354  PHE GLU LEU LEU LYS GLN LEU GLU GLU LYS SER GLU ASP          
SEQRES  14 A  354  GLN GLU ASP LYS GLU CYS LEU LYS GLN ALA ILE THR ALA          
SEQRES  15 A  354  LEU LEU ASN VAL GLN SER GLY MSE GLU LYS ILE CYS SER          
SEQRES  16 A  354  LYS SER LEU ALA LYS ARG ARG LEU SER GLU SER ALA CYS          
SEQRES  17 A  354  ARG PHE TYR SER GLN GLN MSE LYS GLY LYS GLN LEU ALA          
SEQRES  18 A  354  ILE LYS LYS MSE ASN GLU ILE GLN LYS ASN ILE ASP GLY          
SEQRES  19 A  354  TRP GLU GLY LYS ASP ILE GLY GLN CYS CYS ASN GLU PHE          
SEQRES  20 A  354  ILE MSE GLU GLY THR LEU THR ARG VAL GLY ALA LYS HIS          
SEQRES  21 A  354  GLU ARG HIS ILE PHE LEU PHE ASP GLY LEU MSE ILE CYS          
SEQRES  22 A  354  CYS LYS SER ASN HIS GLY GLN PRO ARG LEU PRO GLY ALA          
SEQRES  23 A  354  SER ASN ALA GLU TYR ARG LEU LYS GLU LYS PHE PHE MSE          
SEQRES  24 A  354  ARG LYS VAL GLN ILE ASN ASP LYS ASP ASP THR ASN GLU          
SEQRES  25 A  354  TYR LYS HIS ALA PHE GLU ILE ILE LEU LYS ASP GLU ASN          
SEQRES  26 A  354  SER VAL ILE PHE SER ALA LYS SER ALA GLU GLU LYS ASN          
SEQRES  27 A  354  ASN TRP MSE ALA ALA LEU ILE SER LEU GLN TYR ARG SER          
SEQRES  28 A  354  THR LEU GLU                                                  
MODRES 1DBH MSE A  209  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  269  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  387  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  422  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  446  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  468  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  496  MET  SELENOMETHIONINE                                   
MODRES 1DBH MSE A  538  MET  SELENOMETHIONINE                                   
HET    MSE  A 209       8                                                       
HET    MSE  A 269       8                                                       
HET    MSE  A 387       8                                                       
HET    MSE  A 422       8                                                       
HET    MSE  A 446       8                                                       
HET    MSE  A 468       8                                                       
HET    MSE  A 496       8                                                       
HET    MSE  A 538       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
FORMUL   1  MSE    8(C5 H11 N O2 SE)                                            
FORMUL   2  HOH   *69(H2 O)                                                     
HELIX    1   1 TYR A  201  LYS A  224  1                                  24    
HELIX    2   2 GLU A  228  SER A  232  1                                   5    
HELIX    3   3 ALA A  239  PHE A  246  1                                   8    
HELIX    4   4 ILE A  249  VAL A  267  1                                  19    
HELIX    5   5 GLY A  280  GLU A  289  1                                  10    
HELIX    6   6 ASP A  293  ILE A  302  1                                  10    
HELIX    7   7 PHE A  307  SER A  316  1                                  10    
HELIX    8   8 ALA A  320  ILE A  327  1                                   8    
HELIX    9   9 PHE A  331  TYR A  337  1                                   7    
HELIX   10  10 LEU A  339  LYS A  363  1                                  25    
HELIX   11  11 GLN A  367  SER A  392  1                                  26    
HELIX   12  12 SER A  394  GLU A  402  1                                   9    
HELIX   13  13 ILE A  419  GLU A  424  5                                   6    
HELIX   14  14 GLN A  426  ASN A  428  5                                   3    
HELIX   15  15 ILE A  437  GLN A  439  5                                   3    
HELIX   16  16 ALA A  531  GLN A  545  1                                  15    
SHEET    1   A 2 GLY A 448  LEU A 450  0                                        
SHEET    2   A 2 ARG A 459  ILE A 461 -1  N  ILE A 461   O  GLY A 448           
SHEET    1   B 3 GLN A 500  ASP A 503  0                                        
SHEET    2   B 3 ALA A 513  ILE A 516 -1  N  GLU A 515   O  ILE A 501           
SHEET    3   B 3 VAL A 524  SER A 527 -1  N  PHE A 526   O  PHE A 514           
SHEET    1   C 2 CYS A 470  SER A 473  0                                        
SHEET    2   C 2 TYR A 488  GLU A 492 -1  N  GLU A 492   O  CYS A 470           
LINK         C   PHE A 208                 N   MSE A 209     1555   1555  1.33  
LINK         C   MSE A 209                 N   ALA A 210     1555   1555  1.33  
LINK         C   GLU A 268                 N   MSE A 269     1555   1555  1.34  
LINK         C   MSE A 269                 N   THR A 270     1555   1555  1.32  
LINK         C   GLY A 386                 N   MSE A 387     1555   1555  1.33  
LINK         C   MSE A 387                 N   GLU A 388     1555   1555  1.33  
LINK         C   LYS A 421                 N   MSE A 422     1555   1555  1.33  
LINK         C   MSE A 422                 N   ASN A 423     1555   1555  1.33  
LINK         C   ILE A 445                 N   MSE A 446     1555   1555  1.33  
LINK         C   MSE A 446                 N   GLU A 447     1555   1555  1.33  
LINK         C   LEU A 467                 N   MSE A 468     1555   1555  1.33  
LINK         C   MSE A 468                 N   ILE A 469     1555   1555  1.32  
LINK         C   PHE A 495                 N   MSE A 496     1555   1555  1.33  
LINK         C   MSE A 496                 N   ARG A 497     1555   1555  1.33  
LINK         C   TRP A 537                 N   MSE A 538     1555   1555  1.33  
LINK         C   MSE A 538                 N   ALA A 539     1555   1555  1.33  
CRYST1  104.400   70.440   73.830  90.00  96.29  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      0.009578  0.000000  0.001056        0.00000                         
SCALE2      0.000000  0.014196  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013627        0.00000