HEADER    COMPLEX(ONCOGENE PROTEIN/EXCHANGE FACTOR06-JUL-98   1BKD              
TITLE     COMPLEX OF HUMAN H-RAS WITH HUMAN SOS-1                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: H-RAS;                                                     
COMPND   3 CHAIN: R;                                                            
COMPND   4 FRAGMENT: RESIDUES 1-166;                                            
COMPND   5 SYNONYM: P21;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: SON OF SEVENLESS-1;                                        
COMPND   9 CHAIN: S;                                                            
COMPND  10 FRAGMENT: RAS GUANINE NUCLEOTIDE EXCHANGE FACTOR FRAGMENT;           
COMPND  11 SYNONYM: SOS;                                                        
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL_LINE: BL21;                                                     
SOURCE   6 ORGAN: BRAIN;                                                        
SOURCE   7 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PROEX HTB;                                
SOURCE  12 MOL_ID: 2;                                                           
SOURCE  13 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  14 ORGANISM_COMMON: HUMAN;                                              
SOURCE  15 ORGANISM_TAXID: 9606;                                                
SOURCE  16 CELL_LINE: BL21;                                                     
SOURCE  17 ORGAN: BRAIN;                                                        
SOURCE  18 CELLULAR_LOCATION: MEMBRANE-ANCHORED;                                
SOURCE  19 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  20 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  21 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE  22 EXPRESSION_SYSTEM_PLASMID: PROEX HTB                                 
KEYWDS    COMPLEX (ONCOGENE PROTEIN-EXCHANGE FACTOR), SMALL GTPASE, EXCHANGE    
KEYWDS   2 FACTOR, COMPLEX(ONCOGENE PROTEIN-EXCHANGE FACTOR) COMPLEX            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.A.BORIACK-SJODIN,S.M.MARGARIT,D.B.SAGI,J.KURIYAN                    
REVDAT   3   07-FEB-24 1BKD    1       REMARK                                   
REVDAT   2   24-FEB-09 1BKD    1       VERSN                                    
REVDAT   1   13-JAN-99 1BKD    0                                                
JRNL        AUTH   P.A.BORIACK-SJODIN,S.M.MARGARIT,D.BAR-SAGI,J.KURIYAN         
JRNL        TITL   THE STRUCTURAL BASIS OF THE ACTIVATION OF RAS BY SOS.        
JRNL        REF    NATURE                        V. 394   337 1998              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   9690470                                                      
JRNL        DOI    10.1038/28548                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.3                                              
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) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
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             : 26502                          
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) : 0.222                           
REMARK   3   FREE R VALUE                     : 0.281                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1327                            
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           : 26                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.84                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 937                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3620                       
REMARK   3   BIN FREE R VALUE                    : 0.4840                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 48                           
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            : 4984                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 26                                      
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) : -6.19100                                             
REMARK   3    B22 (A**2) : -6.19100                                             
REMARK   3    B33 (A**2) : 12.38200                                             
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) : 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) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.260                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ANISOTROPIC                               
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 : STANDARD                                             
REMARK   3   KSOL        : 0.27                                                 
REMARK   3   BSOL        : 10.78                                                
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.PARAM                                  
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BKD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171857.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : FEB-98                             
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRANDEIS                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26562                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 5.700                              
REMARK 200  R MERGE                    (I) : 0.53000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.28700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MULTIPLE ISOMORPHOUS         
REMARK 200  REPLACEMENT                                                         
REMARK 200 SOFTWARE USED: CNS 0.3                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 65.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0                                   
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       71.35000            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       71.35000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      103.95000            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000       71.35000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000      103.95000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       71.35000            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000      103.95000            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000       71.35000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000      103.95000            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       71.35000            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000      103.95000            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       71.35000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000      103.95000            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000       71.35000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000      103.95000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       71.35000            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       71.35000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      103.95000            
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: OCTAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: R, S                                  
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  0.000000 -1.000000  0.000000      142.70000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3 -1.000000  0.000000  0.000000      142.70000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4 -1.000000  0.000000  0.000000      142.70000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000      142.70000            
REMARK 350   BIOMT3   4  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 S   591                                                      
REMARK 465     MET S   592                                                      
REMARK 465     GLN S   593                                                      
REMARK 465     PRO S   594                                                      
REMARK 465     LYS S   595                                                      
REMARK 465     ALA S   596                                                      
REMARK 465     GLU S   654                                                      
REMARK 465     PRO S   655                                                      
REMARK 465     THR S   656                                                      
REMARK 465     GLU S   657                                                      
REMARK 465     ALA S   658                                                      
REMARK 465     ASP S   659                                                      
REMARK 465     ARG S   660                                                      
REMARK 465     ILE S   661                                                      
REMARK 465     ALA S   662                                                      
REMARK 465     ILE S   663                                                      
REMARK 465     GLU S   664                                                      
REMARK 465     ASN S   665                                                      
REMARK 465     GLY S   666                                                      
REMARK 465     ASP S   667                                                      
REMARK 465     GLN S   668                                                      
REMARK 465     PRO S   669                                                      
REMARK 465     LEU S   670                                                      
REMARK 465     SER S   671                                                      
REMARK 465     ALA S   672                                                      
REMARK 465     GLU S   673                                                      
REMARK 465     LEU S   674                                                      
REMARK 465     LYS S   675                                                      
REMARK 465     ILE S   742                                                      
REMARK 465     ALA S   743                                                      
REMARK 465     ARG S   744                                                      
REMARK 465     ASP S   745                                                      
REMARK 465     ASN S   746                                                      
REMARK 465     GLY S   747                                                      
REMARK 465     PRO S   748                                                      
REMARK 465     GLY S   749                                                      
REMARK 465     HIS S   750                                                      
REMARK 465     ASN S   751                                                      
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     HIS R   27   CG   ND1  CD2  CE1  NE2                             
REMARK 480     PHE R   28   CG   CD1  CD2  CE1  CE2  CZ                         
REMARK 480     ASP R   30   CG   OD1  OD2                                       
REMARK 480     ARG S  568   NE   CZ   NH1  NH2                                  
REMARK 480     LEU S  569   CG   CD1  CD2                                       
REMARK 480     ASP S  573   CG   OD1  OD2                                       
REMARK 480     TYR S  575   CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 480     GLU S  579   CG   CD   OE1  OE2                                  
REMARK 480     LYS S  636   CG   CD   CE   NZ                                   
REMARK 480     ARG S  676   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS S  679   CG   CD   CE   NZ                                   
REMARK 480     GLU S  680   CG   CD   OE1  OE2                                  
REMARK 480     ARG S  722   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS S  724   CG   CD   CE   NZ                                   
REMARK 480     LYS S  735   CG   CD   CE   NZ                                   
REMARK 480     GLN S  738   CG   CD   OE1  NE2                                  
REMARK 480     ARG S  767   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS S  899   CG   CD   CE   NZ                                   
REMARK 480     ARG S  920   NE   CZ   NH1  NH2                                  
REMARK 480     LYS S  949   CE   NZ                                             
REMARK 480     LYS S  963   CD   CE   NZ                                        
REMARK 480     LYS S 1036   CD   CE   NZ                                        
REMARK 480     ARG S 1041   NE   CZ   NH1  NH2                                  
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    PRO R  34       26.68    -65.59                                   
REMARK 500    THR R  58       28.00    -73.52                                   
REMARK 500    ALA R  66        0.11    -69.43                                   
REMARK 500    GLN R 165       22.66    -77.20                                   
REMARK 500    ALA S 572        8.78    -68.76                                   
REMARK 500    ASP S 573      -25.50     72.56                                   
REMARK 500    TYR S 575       19.62   -150.13                                   
REMARK 500    ARG S 576     -168.33   -161.36                                   
REMARK 500    ARG S 632       -9.58    -56.88                                   
REMARK 500    TYR S 681      -55.57   -138.56                                   
REMARK 500    GLN S 755      -72.85    -58.44                                   
REMARK 500    HIS S 764     -119.21   -123.74                                   
REMARK 500    SER S 807       28.95     48.87                                   
REMARK 500    ASP S 813       33.27    -98.77                                   
REMARK 500    PRO S 894      151.23    -47.96                                   
REMARK 500    GLU S 909      153.73    -49.08                                   
REMARK 500    HIS S 951       29.92     45.96                                   
REMARK 500    ASN S 976      -74.47    -72.22                                   
REMARK 500    ASN S1020      -74.53     -1.40                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1BKD R    1   166  UNP    P01112   RASH_HUMAN       1    166             
DBREF  1BKD S  568  1044  UNP    Q07889   SOS1_HUMAN     568   1044             
SEQRES   1 R  166  MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY          
SEQRES   2 R  166  VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN          
SEQRES   3 R  166  HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER          
SEQRES   4 R  166  TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU          
SEQRES   5 R  166  LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER          
SEQRES   6 R  166  ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE          
SEQRES   7 R  166  LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU          
SEQRES   8 R  166  ASP ILE HIS GLN TYR ARG GLU GLN ILE LYS ARG VAL LYS          
SEQRES   9 R  166  ASP SER ASP ASP VAL PRO MET VAL LEU VAL GLY ASN LYS          
SEQRES  10 R  166  CYS ASP LEU ALA ALA ARG THR VAL GLU SER ARG GLN ALA          
SEQRES  11 R  166  GLN ASP LEU ALA ARG SER TYR GLY ILE PRO TYR ILE GLU          
SEQRES  12 R  166  THR SER ALA LYS THR ARG GLN GLY VAL GLU ASP ALA PHE          
SEQRES  13 R  166  TYR THR LEU VAL ARG GLU ILE ARG GLN HIS                      
SEQRES   1 S  477  ARG LEU PRO SER ALA ASP VAL TYR ARG PHE ALA GLU PRO          
SEQRES   2 S  477  ASP SER GLU GLU ASN ILE ILE PHE GLU GLU ASN MET GLN          
SEQRES   3 S  477  PRO LYS ALA GLY ILE PRO ILE ILE LYS ALA GLY THR VAL          
SEQRES   4 S  477  ILE LYS LEU ILE GLU ARG LEU THR TYR HIS MET TYR ALA          
SEQRES   5 S  477  ASP PRO ASN PHE VAL ARG THR PHE LEU THR THR TYR ARG          
SEQRES   6 S  477  SER PHE CYS LYS PRO GLN GLU LEU LEU SER LEU ILE ILE          
SEQRES   7 S  477  GLU ARG PHE GLU ILE PRO GLU PRO GLU PRO THR GLU ALA          
SEQRES   8 S  477  ASP ARG ILE ALA ILE GLU ASN GLY ASP GLN PRO LEU SER          
SEQRES   9 S  477  ALA GLU LEU LYS ARG PHE ARG LYS GLU TYR ILE GLN PRO          
SEQRES  10 S  477  VAL GLN LEU ARG VAL LEU ASN VAL CYS ARG HIS TRP VAL          
SEQRES  11 S  477  GLU HIS HIS PHE TYR ASP PHE GLU ARG ASP ALA TYR LEU          
SEQRES  12 S  477  LEU GLN ARG MET GLU GLU PHE ILE GLY THR VAL ARG GLY          
SEQRES  13 S  477  LYS ALA MET LYS LYS TRP VAL GLU SER ILE THR LYS ILE          
SEQRES  14 S  477  ILE GLN ARG LYS LYS ILE ALA ARG ASP ASN GLY PRO GLY          
SEQRES  15 S  477  HIS ASN ILE THR PHE GLN SER SER PRO PRO THR VAL GLU          
SEQRES  16 S  477  TRP HIS ILE SER ARG PRO GLY HIS ILE GLU THR PHE ASP          
SEQRES  17 S  477  LEU LEU THR LEU HIS PRO ILE GLU ILE ALA ARG GLN LEU          
SEQRES  18 S  477  THR LEU LEU GLU SER ASP LEU TYR ARG ALA VAL GLN PRO          
SEQRES  19 S  477  SER GLU LEU VAL GLY SER VAL TRP THR LYS GLU ASP LYS          
SEQRES  20 S  477  GLU ILE ASN SER PRO ASN LEU LEU LYS MET ILE ARG HIS          
SEQRES  21 S  477  THR THR ASN LEU THR LEU TRP PHE GLU LYS CYS ILE VAL          
SEQRES  22 S  477  GLU THR GLU ASN LEU GLU GLU ARG VAL ALA VAL VAL SER          
SEQRES  23 S  477  ARG ILE ILE GLU ILE LEU GLN VAL PHE GLN GLU LEU ASN          
SEQRES  24 S  477  ASN PHE ASN GLY VAL LEU GLU VAL VAL SER ALA MET ASN          
SEQRES  25 S  477  SER SER PRO VAL TYR ARG LEU ASP HIS THR PHE GLU GLN          
SEQRES  26 S  477  ILE PRO SER ARG GLN LYS LYS ILE LEU GLU GLU ALA HIS          
SEQRES  27 S  477  GLU LEU SER GLU ASP HIS TYR LYS LYS TYR LEU ALA LYS          
SEQRES  28 S  477  LEU ARG SER ILE ASN PRO PRO CYS VAL PRO PHE PHE GLY          
SEQRES  29 S  477  ILE TYR LEU THR ASN ILE LEU LYS THR GLU GLU GLY ASN          
SEQRES  30 S  477  PRO GLU VAL LEU LYS ARG HIS GLY LYS GLU LEU ILE ASN          
SEQRES  31 S  477  PHE SER LYS ARG ARG LYS VAL ALA GLU ILE THR GLY GLU          
SEQRES  32 S  477  ILE GLN GLN TYR GLN ASN GLN PRO TYR CYS LEU ARG VAL          
SEQRES  33 S  477  GLU SER ASP ILE LYS ARG PHE PHE GLU ASN LEU ASN PRO          
SEQRES  34 S  477  MET GLY ASN SER MET GLU LYS GLU PHE THR ASP TYR LEU          
SEQRES  35 S  477  PHE ASN LYS SER LEU GLU ILE GLU PRO ARG ASN PRO LYS          
SEQRES  36 S  477  PRO LEU PRO ARG PHE PRO LYS LYS TYR SER TYR PRO LEU          
SEQRES  37 S  477  LYS SER PRO GLY VAL ARG PRO SER ASN                          
FORMUL   3  HOH   *26(H2 O)                                                     
HELIX    1   1 LYS R   16  LEU R   23  5                                   8    
HELIX    2   2 SER R   65  THR R   74  5                                  10    
HELIX    3   3 THR R   87  GLU R   91  1                                   5    
HELIX    4   4 ILE R   93  VAL R  103  1                                  11    
HELIX    5   5 SER R  127  TYR R  137  1                                  11    
HELIX    6   6 VAL R  152  ARG R  164  1                                  13    
HELIX    7   7 VAL S  606  THR S  614  1                                   9    
HELIX    8   8 PRO S  621  SER S  633  1                                  13    
HELIX    9   9 PRO S  637  PHE S  648  1                                  12    
HELIX   10  10 ILE S  682  HIS S  699  1                                  18    
HELIX   11  11 ALA S  708  THR S  720  1                                  13    
HELIX   12  12 LYS S  724  ARG S  739  1                                  16    
HELIX   13  13 PRO S  781  ARG S  797  1                                  17    
HELIX   14  14 PRO S  819  VAL S  840  1                                  22    
HELIX   15  15 LEU S  845  GLU S  864  1                                  20    
HELIX   16  16 PHE S  868  MET S  878  1                                  11    
HELIX   17  17 ASP S  887  GLN S  892  1                                   6    
HELIX   18  18 SER S  895  LEU S  907  1                                  13    
HELIX   19  19 GLU S  909  SER S  921  1                                  13    
HELIX   20  20 GLY S  931  GLU S  942  1                                  12    
HELIX   21  21 PHE S  958  GLN S  975  1                                  18    
HELIX   22  22 SER S  985  GLU S  992  1                                   8    
HELIX   23  23 GLU S 1002  ILE S 1016  1                                  15    
SHEET    1   A 6 TYR R 141  SER R 145  0                                        
SHEET    2   A 6 MET R 111  LYS R 117  1  N  LEU R 113   O  ILE R 142           
SHEET    3   A 6 GLY R  77  ALA R  83  1  N  PHE R  78   O  VAL R 112           
SHEET    4   A 6 THR R   2  GLY R  10  1  N  VAL R   7   O  GLY R  77           
SHEET    5   A 6 GLU R  49  LEU R  56  1  N  LEU R  52   O  THR R   2           
SHEET    6   A 6 ARG R  41  ILE R  46 -1  N  ILE R  46   O  GLU R  49           
SHEET    1   B 2 VAL S 947  ARG S 950  0                                        
SHEET    2   B 2 LYS S 953  ILE S 956 -1  N  LEU S 955   O  LEU S 948           
CISPEP   1 PRO S  924    PRO S  925          0         0.09                     
CRYST1  142.700  142.700  207.900  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      0.007008  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007008  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004810        0.00000