PDB Short entry for 1XD2
HEADER    SIGNALING PROTEIN                       03-SEP-04   1XD2              
TITLE     CRYSTAL STRUCTURE OF A TERNARY RAS:SOS:RAS*GDP COMPLEX                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSFORMING PROTEIN P21/H-RAS-1;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 1-166;                                            
COMPND   5 SYNONYM: C-H-RAS;                                                    
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: TRANSFORMING PROTEIN P21/H-RAS-1;                          
COMPND  10 CHAIN: B;                                                            
COMPND  11 FRAGMENT: RESIDUES 1-166;                                            
COMPND  12 SYNONYM: C-H-RAS;                                                    
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MOL_ID: 3;                                                           
COMPND  15 MOLECULE: SON OF SEVENLESS PROTEIN HOMOLOG 1;                        
COMPND  16 CHAIN: C;                                                            
COMPND  17 FRAGMENT: RESIDUES 566-1049, INCLUDING RAS GUANINE NUCLEOTIDE        
COMPND  18 EXCHANGE FACTOR FRAGMENT;                                            
COMPND  19 SYNONYM: SOS-1;                                                      
COMPND  20 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: HRAS, HRAS1;                                                   
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PPROEXHTA;                                
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  13 ORGANISM_COMMON: HUMAN;                                              
SOURCE  14 ORGANISM_TAXID: 9606;                                                
SOURCE  15 GENE: HRAS, HRAS1;                                                   
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PPROEXHTA;                                
SOURCE  21 MOL_ID: 3;                                                           
SOURCE  22 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  23 ORGANISM_COMMON: HUMAN;                                              
SOURCE  24 ORGANISM_TAXID: 9606;                                                
SOURCE  25 GENE: SOS1;                                                          
SOURCE  26 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE  27 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE  28 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  29 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  30 EXPRESSION_SYSTEM_PLASMID: PPROEXHTA                                 
KEYWDS    RAS:SOS COMPLEX, RAS-NUCLEOTIDE EXCHANGE FACTOR COMPLEX, SIGNALING    
KEYWDS   2 PROTEIN                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.SONDERMANN,S.M.SOISSON,S.BOYKEVISCH,S.S.YANG,D.BAR-SAGI,J.KURIYAN   
REVDAT   4   23-AUG-23 1XD2    1       REMARK                                   
REVDAT   3   20-OCT-21 1XD2    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1XD2    1       VERSN                                    
REVDAT   1   02-NOV-04 1XD2    0                                                
JRNL        AUTH   H.SONDERMANN,S.M.SOISSON,S.BOYKEVISCH,S.S.YANG,D.BAR-SAGI,   
JRNL        AUTH 2 J.KURIYAN                                                    
JRNL        TITL   STRUCTURAL ANALYSIS OF AUTOINHIBITION IN THE RAS ACTIVATOR   
JRNL        TITL 2 SON OF SEVENLESS.                                            
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 119   393 2004              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   15507210                                                     
JRNL        DOI    10.1016/J.CELL.2004.10.005                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 48.98                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 141624.910                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 39925                          
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) : 0.212                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2857                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5605                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3000                       
REMARK   3   BIN FREE R VALUE                    : 0.3440                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 438                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.016                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6534                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 49                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 47.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.35000                                              
REMARK   3    B22 (A**2) : 1.35000                                              
REMARK   3    B33 (A**2) : -2.69000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.32                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.38                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.39                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.49                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 21.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.910                           
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) : 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 : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 22.56                                                
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  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  3   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1XD2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030222.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-MAR-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41637                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 8.000                              
REMARK 200  R MERGE                    (I) : 0.10100                            
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.44600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.39800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.060                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1NVV                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.40                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, NA/K PHOSPHATE, PH 7.5, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2                          
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   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z                                                 
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290      11555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290      12555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290      13555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290      14555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290      15555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  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  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       91.85150            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       88.90200            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000       91.85150            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000       88.90200            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       91.85150            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000       88.90200            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000       91.85150            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       88.90200            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       91.85150            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       88.90200            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       91.85150            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000       88.90200            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000       91.85150            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000       88.90200            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       91.85150            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       91.85150            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       88.90200            
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: 8390 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 35960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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     ASN C   591                                                      
REMARK 465     MET C   592                                                      
REMARK 465     GLN C   593                                                      
REMARK 465     PRO C   594                                                      
REMARK 465     LYS C   595                                                      
REMARK 465     ALA C   596                                                      
REMARK 465     ARG C   744                                                      
REMARK 465     ASP C   745                                                      
REMARK 465     ASN C   746                                                      
REMARK 465     GLY C   747                                                      
REMARK 465     PRO C   748                                                      
REMARK 465     GLY C   749                                                      
REMARK 465     PRO C  1047                                                      
REMARK 465     GLY C  1048                                                      
REMARK 465     THR C  1049                                                      
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    LYS A 117       30.71     74.42                                   
REMARK 500    ARG A 149       -5.81     85.27                                   
REMARK 500    THR B  35       38.55    -89.71                                   
REMARK 500    GLU B  37      140.37    -35.79                                   
REMARK 500    LYS B  42      125.09   -173.68                                   
REMARK 500    ASP B 119     -158.59   -131.75                                   
REMARK 500    ALA C 572       -7.05    -59.37                                   
REMARK 500    TYR C 575      100.58   -163.86                                   
REMARK 500    GLU C 583        2.23    -57.74                                   
REMARK 500    TYR C 681      -58.29   -127.55                                   
REMARK 500    HIS C 700       32.11   -144.49                                   
REMARK 500    ALA C 725      -72.34    -62.66                                   
REMARK 500    GLN C 755      -80.39    -67.10                                   
REMARK 500    HIS C 764     -123.93   -111.47                                   
REMARK 500    HIS C 770       50.26   -146.04                                   
REMARK 500    ASP C 813       31.55    -90.68                                   
REMARK 500    PRO C 924      171.95    -59.76                                   
REMARK 500    ASN C 995       82.80   -150.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 167  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A  17   OG                                                     
REMARK 620 2 THR A  35   OG1  78.2                                              
REMARK 620 3 PO4 A 168   O4  136.9  86.2                                        
REMARK 620 4 GDP A 169   O3B  86.6 146.1  84.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 167                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 168                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 167                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 5                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 6                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 169                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1NVV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NVU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NVW   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NVX   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1BKD   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1XD4   RELATED DB: PDB                                   
DBREF  1XD2 A    1   166  UNP    P01112   RASH_HUMAN       1    166             
DBREF  1XD2 B    1   166  UNP    P01112   RASH_HUMAN       1    166             
DBREF  1XD2 C  566  1049  UNP    Q07889   SOS1_HUMAN     566   1049             
SEQADV 1XD2 ALA A   64  UNP  P01112    TYR    64 ENGINEERED MUTATION            
SEQRES   1 A  166  MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY          
SEQRES   2 A  166  VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN          
SEQRES   3 A  166  HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER          
SEQRES   4 A  166  TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU          
SEQRES   5 A  166  LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU ALA SER          
SEQRES   6 A  166  ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE          
SEQRES   7 A  166  LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU          
SEQRES   8 A  166  ASP ILE HIS GLN TYR ARG GLU GLN ILE LYS ARG VAL LYS          
SEQRES   9 A  166  ASP SER ASP ASP VAL PRO MET VAL LEU VAL GLY ASN LYS          
SEQRES  10 A  166  CYS ASP LEU ALA ALA ARG THR VAL GLU SER ARG GLN ALA          
SEQRES  11 A  166  GLN ASP LEU ALA ARG SER TYR GLY ILE PRO TYR ILE GLU          
SEQRES  12 A  166  THR SER ALA LYS THR ARG GLN GLY VAL GLU ASP ALA PHE          
SEQRES  13 A  166  TYR THR LEU VAL ARG GLU ILE ARG GLN HIS                      
SEQRES   1 B  166  MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY          
SEQRES   2 B  166  VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN          
SEQRES   3 B  166  HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER          
SEQRES   4 B  166  TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU          
SEQRES   5 B  166  LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER          
SEQRES   6 B  166  ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE          
SEQRES   7 B  166  LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU          
SEQRES   8 B  166  ASP ILE HIS GLN TYR ARG GLU GLN ILE LYS ARG VAL LYS          
SEQRES   9 B  166  ASP SER ASP ASP VAL PRO MET VAL LEU VAL GLY ASN LYS          
SEQRES  10 B  166  CYS ASP LEU ALA ALA ARG THR VAL GLU SER ARG GLN ALA          
SEQRES  11 B  166  GLN ASP LEU ALA ARG SER TYR GLY ILE PRO TYR ILE GLU          
SEQRES  12 B  166  THR SER ALA LYS THR ARG GLN GLY VAL GLU ASP ALA PHE          
SEQRES  13 B  166  TYR THR LEU VAL ARG GLU ILE ARG GLN HIS                      
SEQRES   1 C  484  GLN MET ARG LEU PRO SER ALA ASP VAL TYR ARG PHE ALA          
SEQRES   2 C  484  GLU PRO ASP SER GLU GLU ASN ILE ILE PHE GLU GLU ASN          
SEQRES   3 C  484  MET GLN PRO LYS ALA GLY ILE PRO ILE ILE LYS ALA GLY          
SEQRES   4 C  484  THR VAL ILE LYS LEU ILE GLU ARG LEU THR TYR HIS MET          
SEQRES   5 C  484  TYR ALA ASP PRO ASN PHE VAL ARG THR PHE LEU THR THR          
SEQRES   6 C  484  TYR ARG SER PHE CYS LYS PRO GLN GLU LEU LEU SER LEU          
SEQRES   7 C  484  ILE ILE GLU ARG PHE GLU ILE PRO GLU PRO GLU PRO THR          
SEQRES   8 C  484  GLU ALA ASP ARG ILE ALA ILE GLU ASN GLY ASP GLN PRO          
SEQRES   9 C  484  LEU SER ALA GLU LEU LYS ARG PHE ARG LYS GLU TYR ILE          
SEQRES  10 C  484  GLN PRO VAL GLN LEU ARG VAL LEU ASN VAL CYS ARG HIS          
SEQRES  11 C  484  TRP VAL GLU HIS HIS PHE TYR ASP PHE GLU ARG ASP ALA          
SEQRES  12 C  484  TYR LEU LEU GLN ARG MET GLU GLU PHE ILE GLY THR VAL          
SEQRES  13 C  484  ARG GLY LYS ALA MET LYS LYS TRP VAL GLU SER ILE THR          
SEQRES  14 C  484  LYS ILE ILE GLN ARG LYS LYS ILE ALA ARG ASP ASN GLY          
SEQRES  15 C  484  PRO GLY HIS ASN ILE THR PHE GLN SER SER PRO PRO THR          
SEQRES  16 C  484  VAL GLU TRP HIS ILE SER ARG PRO GLY HIS ILE GLU THR          
SEQRES  17 C  484  PHE ASP LEU LEU THR LEU HIS PRO ILE GLU ILE ALA ARG          
SEQRES  18 C  484  GLN LEU THR LEU LEU GLU SER ASP LEU TYR ARG ALA VAL          
SEQRES  19 C  484  GLN PRO SER GLU LEU VAL GLY SER VAL TRP THR LYS GLU          
SEQRES  20 C  484  ASP LYS GLU ILE ASN SER PRO ASN LEU LEU LYS MET ILE          
SEQRES  21 C  484  ARG HIS THR THR ASN LEU THR LEU TRP PHE GLU LYS CYS          
SEQRES  22 C  484  ILE VAL GLU THR GLU ASN LEU GLU GLU ARG VAL ALA VAL          
SEQRES  23 C  484  VAL SER ARG ILE ILE GLU ILE LEU GLN VAL PHE GLN GLU          
SEQRES  24 C  484  LEU ASN ASN PHE ASN GLY VAL LEU GLU VAL VAL SER ALA          
SEQRES  25 C  484  MET ASN SER SER PRO VAL TYR ARG LEU ASP HIS THR PHE          
SEQRES  26 C  484  GLU GLN ILE PRO SER ARG GLN LYS LYS ILE LEU GLU GLU          
SEQRES  27 C  484  ALA HIS GLU LEU SER GLU ASP HIS TYR LYS LYS TYR LEU          
SEQRES  28 C  484  ALA LYS LEU ARG SER ILE ASN PRO PRO CYS VAL PRO PHE          
SEQRES  29 C  484  PHE GLY ILE TYR LEU THR ASN ILE LEU LYS THR GLU GLU          
SEQRES  30 C  484  GLY ASN PRO GLU VAL LEU LYS ARG HIS GLY LYS GLU LEU          
SEQRES  31 C  484  ILE ASN PHE SER LYS ARG ARG LYS VAL ALA GLU ILE THR          
SEQRES  32 C  484  GLY GLU ILE GLN GLN TYR GLN ASN GLN PRO TYR CYS LEU          
SEQRES  33 C  484  ARG VAL GLU SER ASP ILE LYS ARG PHE PHE GLU ASN LEU          
SEQRES  34 C  484  ASN PRO MET GLY ASN SER MET GLU LYS GLU PHE THR ASP          
SEQRES  35 C  484  TYR LEU PHE ASN LYS SER LEU GLU ILE GLU PRO ARG ASN          
SEQRES  36 C  484  PRO LYS PRO LEU PRO ARG PHE PRO LYS LYS TYR SER TYR          
SEQRES  37 C  484  PRO LEU LYS SER PRO GLY VAL ARG PRO SER ASN PRO ARG          
SEQRES  38 C  484  PRO GLY THR                                                  
HET     MG  A 167       1                                                       
HET    PO4  A 168       5                                                       
HET    GDP  A 169      28                                                       
HET    PO4  B 167       5                                                       
HET    PO4  C   5       5                                                       
HET    PO4  C   6       5                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     GDP GUANOSINE-5'-DIPHOSPHATE                                         
FORMUL   4   MG    MG 2+                                                        
FORMUL   5  PO4    4(O4 P 3-)                                                   
FORMUL   6  GDP    C10 H15 N5 O11 P2                                            
HELIX    1   1 GLY A   15  ASN A   26  1                                  12    
HELIX    2   2 GLN A   61  GLU A   63  5                                   3    
HELIX    3   3 ALA A   64  GLY A   75  1                                  12    
HELIX    4   4 ASN A   86  LYS A  104  1                                  19    
HELIX    5   5 GLU A  126  GLY A  138  1                                  13    
HELIX    6   6 GLY A  151  GLN A  165  1                                  15    
HELIX    7   7 GLY B   15  GLN B   25  1                                  11    
HELIX    8   8 TYR B   64  ALA B   66  5                                   3    
HELIX    9   9 MET B   67  THR B   74  1                                   8    
HELIX   10  10 ASN B   86  ASP B  105  1                                  20    
HELIX   11  11 GLU B  126  GLY B  138  1                                  13    
HELIX   12  12 GLY B  151  HIS B  166  1                                  16    
HELIX   13  13 TYR C  575  GLU C  579  5                                   5    
HELIX   14  14 THR C  605  THR C  614  1                                  10    
HELIX   15  15 ASN C  622  TYR C  631  1                                  10    
HELIX   16  16 ARG C  632  PHE C  634  5                                   3    
HELIX   17  17 LYS C  636  GLU C  649  1                                  14    
HELIX   18  18 THR C  656  GLU C  664  1                                   9    
HELIX   19  19 SER C  671  TYR C  681  1                                  11    
HELIX   20  20 TYR C  681  HIS C  700  1                                  20    
HELIX   21  21 PHE C  701  ARG C  706  1                                   6    
HELIX   22  22 ASP C  707  GLY C  719  1                                  13    
HELIX   23  23 MET C  726  ALA C  743  1                                  18    
HELIX   24  24 HIS C  780  ALA C  798  1                                  19    
HELIX   25  25 GLN C  800  LYS C  811  5                                  12    
HELIX   26  26 ASP C  813  SER C  818  1                                   6    
HELIX   27  27 SER C  818  GLU C  841  1                                  24    
HELIX   28  28 ASN C  844  LEU C  865  1                                  22    
HELIX   29  29 ASN C  867  ASN C  879  1                                  13    
HELIX   30  30 SER C  880  ARG C  885  1                                   6    
HELIX   31  31 LEU C  886  GLN C  892  1                                   7    
HELIX   32  32 PRO C  894  ILE C  922  1                                  29    
HELIX   33  33 PHE C  930  GLU C  942  1                                  13    
HELIX   34  34 PHE C  958  TYR C  974  1                                  17    
HELIX   35  35 GLU C  984  ASN C  993  1                                  10    
HELIX   36  36 MET C 1001  GLU C 1017  1                                  17    
SHEET    1   A 6 GLU A  37  ILE A  46  0                                        
SHEET    2   A 6 GLU A  49  THR A  58 -1  O  CYS A  51   N  VAL A  44           
SHEET    3   A 6 THR A   2  VAL A   9  1  N  LEU A   6   O  LEU A  56           
SHEET    4   A 6 GLY A  77  ALA A  83  1  O  LEU A  79   N  VAL A   7           
SHEET    5   A 6 MET A 111  ASN A 116  1  O  VAL A 114   N  CYS A  80           
SHEET    6   A 6 TYR A 141  THR A 144  1  O  ILE A 142   N  LEU A 113           
SHEET    1   B 6 ARG B  41  ILE B  46  0                                        
SHEET    2   B 6 GLU B  49  LEU B  56 -1  O  LEU B  53   N  LYS B  42           
SHEET    3   B 6 GLU B   3  VAL B   9  1  N  LEU B   6   O  LEU B  56           
SHEET    4   B 6 GLY B  77  ALA B  83  1  O  LEU B  79   N  VAL B   7           
SHEET    5   B 6 MET B 111  ASN B 116  1  O  ASN B 116   N  PHE B  82           
SHEET    6   B 6 TYR B 141  THR B 144  1  O  THR B 144   N  GLY B 115           
SHEET    1   C 4 ILE C 586  PHE C 588  0                                        
SHEET    2   C 4 ILE C 601  GLY C 604 -1  O  LYS C 602   N  ILE C 587           
SHEET    3   C 4 LYS C 953  ASN C 957 -1  O  ILE C 956   N  GLY C 604           
SHEET    4   C 4 VAL C 947  ARG C 950 -1  N  LEU C 948   O  LEU C 955           
LINK         OG  SER A  17                MG    MG A 167     1555   1555  2.28  
LINK         OG1 THR A  35                MG    MG A 167     1555   1555  1.98  
LINK        MG    MG A 167                 O4  PO4 A 168     1555   1555  2.08  
LINK        MG    MG A 167                 O3B GDP A 169     1555   1555  2.06  
CISPEP   1 PRO C  924    PRO C  925          0         0.20                     
CISPEP   2 ASN C 1020    PRO C 1021          0         0.38                     
SITE     1 AC1  4 SER A  17  THR A  35  PO4 A 168  GDP A 169                    
SITE     1 AC2 10 GLY A  12  LYS A  16  TYR A  32  PRO A  34                    
SITE     2 AC2 10 THR A  35  ALA A  59  GLY A  60  GLN A  61                    
SITE     3 AC2 10  MG A 167  GDP A 169                                          
SITE     1 AC3  7 GLY B  13  VAL B  14  GLY B  15  LYS B  16                    
SITE     2 AC3  7 SER B  17  ALA B  59  GLU B  62                               
SITE     1 AC4  4 ARG C 625  HIS C 695  HIS C 699  HIS C 700                    
SITE     1 AC5  5 ARG C 660  TYR C 709  ARG C 713  GLU C 716                    
SITE     2 AC5  5 HIS C 951                                                     
SITE     1 AC6 20 GLY A  12  GLY A  13  VAL A  14  GLY A  15                    
SITE     2 AC6 20 LYS A  16  SER A  17  ALA A  18  PHE A  28                    
SITE     3 AC6 20 VAL A  29  ASP A  30  TYR A  32  ASN A 116                    
SITE     4 AC6 20 LYS A 117  ASP A 119  LEU A 120  SER A 145                    
SITE     5 AC6 20 ALA A 146  LYS A 147   MG A 167  PO4 A 168                    
CRYST1  183.703  183.703  177.804  90.00  90.00  90.00 I 4 2 2      16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.005444  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.005444  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005624        0.00000