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Database: PDB
Entry: 2FN4
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Original site: 2FN4 
HEADER    SIGNALING PROTEIN                       10-JAN-06   2FN4              
TITLE     THE CRYSTAL STRUCTURE OF HUMAN RAS-RELATED PROTEIN, RRAS, IN THE GDP- 
TITLE    2 BOUND STATE                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RAS-RELATED PROTEIN R-RAS;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 23-201;                                           
COMPND   5 SYNONYM: P23;                                                        
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 GENE: RRAS;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3)R3;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4                               
KEYWDS    RRAS, GDP/GTP BINDING, GTP HYDROLYSIS, STRUCTURAL GENOMICS,           
KEYWDS   2 STRUCTURAL GENOMICS CONSORTIUM, SGC, SIGNALING PROTEIN               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.P.TURNBULL,J.M.ELKINS,C.GILEADI,N.BURGESS,E.SALAH,E.PAPAGRIGORIOU,  
AUTHOR   2 J.DEBRECZENI,F.VON DELFT,J.WEIGELT,A.EDWARDS,C.ARROWSMITH,           
AUTHOR   3 M.SUNDSTROM,D.DOYLE,STRUCTURAL GENOMICS CONSORTIUM (SGC)             
REVDAT   5   30-AUG-23 2FN4    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 2FN4    1       VERSN                                    
REVDAT   3   28-APR-10 2FN4    1       AUTHOR JRNL                              
REVDAT   2   24-FEB-09 2FN4    1       VERSN                                    
REVDAT   1   31-JAN-06 2FN4    0                                                
JRNL        AUTH   A.P.TURNBULL,J.M.ELKINS,C.GILEADI,N.BURGESS,E.SALAH,         
JRNL        AUTH 2 E.PAPAGRIGORIOU,J.DEBRECZENI,F.VON DELFT,J.WEIGELT,          
JRNL        AUTH 3 A.EDWARDS,C.ARROWSMITH,M.SUNDSTROM,D.DOYLE                   
JRNL        TITL   THE CRYSTAL STRUCTURE OF HUMAN RAS-RELATED PROTEIN, RRAS, IN 
JRNL        TITL 2 THE GDP-BOUND STATE                                          
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.65 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.40                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 19180                          
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 + TEST SET) : 0.217                           
REMARK   3   R VALUE            (WORKING SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.251                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1039                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.65                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.69                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1446                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2700                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 85                           
REMARK   3   BIN FREE R VALUE                    : 0.3040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1344                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 29                                      
REMARK   3   SOLVENT ATOMS            : 94                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.89                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.33000                                              
REMARK   3    B22 (A**2) : 0.33000                                              
REMARK   3    B33 (A**2) : -0.49000                                             
REMARK   3    B12 (A**2) : 0.16000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.122         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.118         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.095         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.224         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.949                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1411 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):   949 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1917 ; 1.390 ; 1.974       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2295 ; 0.936 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   174 ; 6.168 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    70 ;29.789 ;23.571       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   223 ;13.135 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;15.926 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   210 ; 0.088 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1588 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   308 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   281 ; 0.211 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1033 ; 0.205 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   700 ; 0.179 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   742 ; 0.083 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    84 ; 0.163 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     1 ; 0.160 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    10 ; 0.184 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    23 ; 0.224 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     9 ; 0.183 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   927 ; 0.776 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   355 ; 0.198 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1384 ; 1.077 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   599 ; 1.741 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   532 ; 2.585 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    24        A    96                          
REMARK   3    ORIGIN FOR THE GROUP (A):   7.7335  29.4233  18.2970              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0680 T22:   0.2258                                     
REMARK   3      T33:  -0.1171 T12:   0.0281                                     
REMARK   3      T13:   0.0285 T23:   0.0963                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.6860 L22:   3.2040                                     
REMARK   3      L33:   3.5745 L12:   0.2655                                     
REMARK   3      L13:  -0.1999 L23:   0.0325                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0678 S12:  -1.0051 S13:  -0.1337                       
REMARK   3      S21:   0.5134 S22:  -0.1210 S23:  -0.1763                       
REMARK   3      S31:   0.2643 S32:   0.4944 S33:   0.0533                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    97        A   196                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.8945  38.1252   9.0429              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.2168 T22:  -0.0565                                     
REMARK   3      T33:  -0.1530 T12:  -0.0015                                     
REMARK   3      T13:   0.0508 T23:  -0.0245                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.7043 L22:   3.0817                                     
REMARK   3      L33:   3.2264 L12:   1.0275                                     
REMARK   3      L13:  -0.5214 L23:  -0.1257                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1143 S12:  -0.5526 S13:   0.3133                       
REMARK   3      S21:   0.1285 S22:  -0.2222 S23:   0.0964                       
REMARK   3      S31:  -0.2167 S32:   0.3086 S33:   0.1079                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2FN4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JAN-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000036073.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-DEC-05                          
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               : SLS                                
REMARK 200  BEAMLINE                       : X10SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00008                            
REMARK 200  MONOCHROMATOR                  : SI (111)                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 20362                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.650                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : 6.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.71                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.10                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 2ERY.PDB                                             
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.67                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M NA/KPO4, 0.1M HEPES, PH 7.5,        
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       51.83300            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      103.66600            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      103.66600            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       51.83300            
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     SER A    21                                                      
REMARK 465     MET A    22                                                      
REMARK 465     ASP A    23                                                      
REMARK 465     GLU A   197                                                      
REMARK 465     LEU A   198                                                      
REMARK 465     PRO A   199                                                      
REMARK 465     PRO A   200                                                      
REMARK 465     SER A   201                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  31    CD   CE   NZ                                        
REMARK 470     GLN A  96    CD   OE1  NE2                                       
REMARK 470     GLN A 114    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 121    CD   CE   NZ                                        
REMARK 470     LYS A 192    CD   CE   NZ                                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP A    73     O    HOH A   265              2.11            
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    PRO A  25      160.03    -47.40                                   
REMARK 500    PRO A  26     -110.88    -87.10                                   
REMARK 500    GLU A  28       39.92    -95.13                                   
REMARK 500    ASP A  57       49.47   -143.24                                   
REMARK 500    ASP A  59      102.56    -17.53                                   
REMARK 500    GLU A  89      -42.13   -136.84                                   
REMARK 500    LYS A 143       37.67     72.01                                   
REMARK 500    LEU A 146       44.62   -109.91                                   
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   2  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GDP A   1   O2B                                                    
REMARK 620 2 SER A  43   OG   88.4                                              
REMARK 620 3 HOH A 230   O    87.8 176.1                                        
REMARK 620 4 HOH A 236   O    86.5  84.1  94.7                                  
REMARK 620 5 HOH A 240   O   175.5  93.3  90.5  89.6                            
REMARK 620 6 HOH A 249   O    99.9  86.9  94.7 168.8  84.3                      
REMARK 620 N                    1     2     3     4     5                       
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 2                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GDP A 1                   
DBREF  2FN4 A   23   201  UNP    P10301   RRAS_HUMAN      23    201             
SEQADV 2FN4 SER A   21  UNP  P10301              CLONING ARTIFACT               
SEQADV 2FN4 MET A   22  UNP  P10301              CLONING ARTIFACT               
SEQRES   1 A  181  SER MET ASP PRO PRO PRO SER GLU THR HIS LYS LEU VAL          
SEQRES   2 A  181  VAL VAL GLY GLY GLY GLY VAL GLY LYS SER ALA LEU THR          
SEQRES   3 A  181  ILE GLN PHE ILE GLN SER TYR PHE VAL SER ASP TYR ASP          
SEQRES   4 A  181  PRO THR ILE GLU ASP SER TYR THR LYS ILE CYS SER VAL          
SEQRES   5 A  181  ASP GLY ILE PRO ALA ARG LEU ASP ILE LEU ASP THR ALA          
SEQRES   6 A  181  GLY GLN GLU GLU PHE GLY ALA MET ARG GLU GLN TYR MET          
SEQRES   7 A  181  ARG ALA GLY HIS GLY PHE LEU LEU VAL PHE ALA ILE ASN          
SEQRES   8 A  181  ASP ARG GLN SER PHE ASN GLU VAL GLY LYS LEU PHE THR          
SEQRES   9 A  181  GLN ILE LEU ARG VAL LYS ASP ARG ASP ASP PHE PRO VAL          
SEQRES  10 A  181  VAL LEU VAL GLY ASN LYS ALA ASP LEU GLU SER GLN ARG          
SEQRES  11 A  181  GLN VAL PRO ARG SER GLU ALA SER ALA PHE GLY ALA SER          
SEQRES  12 A  181  HIS HIS VAL ALA TYR PHE GLU ALA SER ALA LYS LEU ARG          
SEQRES  13 A  181  LEU ASN VAL ASP GLU ALA PHE GLU GLN LEU VAL ARG ALA          
SEQRES  14 A  181  VAL ARG LYS TYR GLN GLU GLN GLU LEU PRO PRO SER              
HET     MG  A   2       1                                                       
HET    GDP  A   1      28                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     GDP GUANOSINE-5'-DIPHOSPHATE                                         
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  GDP    C10 H15 N5 O11 P2                                            
FORMUL   4  HOH   *94(H2 O)                                                     
HELIX    1   1 GLY A   41  SER A   52  1                                  12    
HELIX    2   2 MET A   93  GLY A  101  1                                   9    
HELIX    3   3 ASP A  112  ASP A  131  1                                  20    
HELIX    4   4 LYS A  143  ARG A  150  5                                   8    
HELIX    5   5 PRO A  153  HIS A  164  1                                  12    
HELIX    6   6 ASN A  178  GLN A  194  1                                  17    
SHEET    1   A 6 ASP A  64  VAL A  72  0                                        
SHEET    2   A 6 ILE A  75  ASP A  83 -1  O  LEU A  79   N  LYS A  68           
SHEET    3   A 6 THR A  29  GLY A  36  1  N  HIS A  30   O  ARG A  78           
SHEET    4   A 6 GLY A 103  ALA A 109  1  O  VAL A 107   N  VAL A  35           
SHEET    5   A 6 VAL A 137  ASN A 142  1  O  ASN A 142   N  PHE A 108           
SHEET    6   A 6 ALA A 167  GLU A 170  1  O  PHE A 169   N  GLY A 141           
LINK         O2B GDP A   1                MG    MG A   2     1555   1555  2.08  
LINK        MG    MG A   2                 OG  SER A  43     1555   1555  2.11  
LINK        MG    MG A   2                 O   HOH A 230     1555   1555  2.08  
LINK        MG    MG A   2                 O   HOH A 236     1555   1555  2.38  
LINK        MG    MG A   2                 O   HOH A 240     1555   1555  2.17  
LINK        MG    MG A   2                 O   HOH A 249     1555   1555  1.83  
SITE     1 AC1  6 GDP A   1  SER A  43  HOH A 230  HOH A 236                    
SITE     2 AC1  6 HOH A 240  HOH A 249                                          
SITE     1 AC2 24  MG A   2  GLY A  39  VAL A  40  GLY A  41                    
SITE     2 AC2 24 LYS A  42  SER A  43  ALA A  44  SER A  56                    
SITE     3 AC2 24 ASN A 142  LYS A 143  ASP A 145  LEU A 146                    
SITE     4 AC2 24 SER A 172  ALA A 173  LYS A 174  HOH A 230                    
SITE     5 AC2 24 HOH A 236  HOH A 249  HOH A 251  HOH A 267                    
SITE     6 AC2 24 HOH A 268  HOH A 277  HOH A 283  HOH A 293                    
CRYST1   43.152   43.152  155.499  90.00  90.00 120.00 P 31 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.023174  0.013379  0.000000        0.00000                         
SCALE2      0.000000  0.026759  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006431        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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