HEADER    PROTEIN BINDING, SIGNALING PROTEIN      21-AUG-09   3IQU              
TITLE     CRYSTAL STRUCTURE OF HUMAN 14-3-3 SIGMA IN COMPLEX WITH RAF1 PEPTIDE  
TITLE    2 (6MER)                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 14-3-3 PROTEIN SIGMA;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 1-231;                                        
COMPND   5 SYNONYM: STRATIFIN, EPITHELIAL CELL MARKER PROTEIN 1;                
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 6-MER FROM RAF PROTO-ONCOGENE SERINE/THREONINE-PROTEIN     
COMPND   8 KINASE;                                                              
COMPND   9 CHAIN: P;                                                            
COMPND  10 SYNONYM: C-RAF, CRAF, RAF-1;                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 SYNTHETIC: YES;                                                      
SOURCE   7 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE  
SOURCE   8 OF THE PEPTIDE IS NATURALLY FOUND IN HOMO SAPIENS (HUMAN)            
KEYWDS    SIGNAL TRANSUCTION, NUCLEUS, PHOSPHOPROTEIN, SECRETED, PROTEIN        
KEYWDS   2 BINDING, SIGNALING PROTEIN                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.OTTMANN,M.WEYAND                                                    
REVDAT   6   30-OCT-24 3IQU    1       REMARK                                   
REVDAT   5   22-NOV-23 3IQU    1       REMARK                                   
REVDAT   4   01-NOV-23 3IQU    1       REMARK SEQADV LINK                       
REVDAT   3   01-NOV-17 3IQU    1       REMARK                                   
REVDAT   2   27-NOV-13 3IQU    1       JRNL   VERSN                             
REVDAT   1   01-SEP-10 3IQU    0                                                
JRNL        AUTH   M.MOLZAN,B.SCHUMACHER,C.OTTMANN,A.BALJULS,L.POLZIEN,         
JRNL        AUTH 2 M.WEYAND,P.THIEL,R.ROSE,M.ROSE,P.KUHENNE,M.KAISER,U.R.RAPP,  
JRNL        AUTH 3 J.KUHLMANN,C.OTTMANN                                         
JRNL        TITL   IMPAIRED BINDING OF 14-3-3 TO C-RAF IN NOONAN SYNDROME       
JRNL        TITL 2 SUGGESTS NEW APPROACHES IN DISEASES WITH INCREASED RAS       
JRNL        TITL 3 SIGNALING.                                                   
JRNL        REF    MOL.CELL.BIOL.                V.  30  4698 2010              
JRNL        REFN                   ISSN 0270-7306                               
JRNL        PMID   20679480                                                     
JRNL        DOI    10.1128/MCB.01636-09                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0070                                      
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) : 1.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 126774                         
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) : 0.130                           
REMARK   3   R VALUE            (WORKING SET) : 0.129                           
REMARK   3   FREE R VALUE                     : 0.151                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 6621                            
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) : 1.05                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.08                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 9002                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.19                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1820                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 465                          
REMARK   3   BIN FREE R VALUE                    : 0.1930                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1909                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 492                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.53                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 9.98                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.08000                                              
REMARK   3    B22 (A**2) : 0.90000                                              
REMARK   3    B33 (A**2) : -0.98000                                             
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.022         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.023         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.015         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.652         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.979                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.973                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2190 ; 0.028 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1543 ; 0.004 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3004 ; 2.198 ; 1.991       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3824 ; 1.159 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   315 ;12.089 ; 5.063       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   109 ;33.404 ;24.862       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   448 ;13.546 ;15.033       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    17 ;16.048 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   334 ; 0.160 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2506 ; 0.011 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   433 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  1324 ; 2.113 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   532 ; 1.074 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2165 ; 3.108 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   866 ; 4.901 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   800 ; 6.741 ; 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):  3733 ; 2.464 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   496 ;15.637 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  3666 ; 6.764 ; 3.000       
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  : NULL                                       
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 3IQU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-AUG-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054750.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-MAR-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
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) : 0.87314                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 133400                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 34.030                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 5.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.05                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.10                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.39700                            
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: 1YWT                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.51                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES/NAOH PH 7.5, 0.2M CACL2,      
REMARK 280  28% PEG 400, 5% GLYCEROL, 2MM DTT, VAPOR DIFFUSION, HANGING DROP,   
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       31.36500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       31.36500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       41.09000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       56.08500            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       41.09000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       56.08500            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       31.36500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       41.09000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       56.08500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       31.36500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       41.09000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       56.08500            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4840 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 23930 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -64.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P                                  
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  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 MG    MG A 235  LIES ON A SPECIAL POSITION.                          
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   OE2  GLU A    86     O    HOH A   478              1.58            
REMARK 500   O    HOH A   391     O    HOH A   465              1.62            
REMARK 500   O    HOH A   483     O    HOH A   644              1.70            
REMARK 500   O    HOH A   400     O    HOH A   454              1.74            
REMARK 500   O    HOH A   392     O    HOH A   466              1.78            
REMARK 500   O    HOH A   406     O    HOH A   433              1.83            
REMARK 500   N    MET A    -2     O    HOH A   474              1.85            
REMARK 500   O    HOH A   390     O    HOH A   474              1.86            
REMARK 500   O    HOH A   415     O    HOH A   430              1.87            
REMARK 500   O    HOH A   390     O    HOH A   450              1.88            
REMARK 500   O    HOH A   485     O    HOH A   680              1.94            
REMARK 500   O    HOH A   423     O    HOH A   428              1.98            
REMARK 500   O    HOH A   309     O    HOH A   393              2.00            
REMARK 500   O    HOH A   417     O    HOH A   478              2.00            
REMARK 500   CE   LYS A    27     O    HOH A   476              2.01            
REMARK 500   OD   CSO A    38     O    HOH A   443              2.01            
REMARK 500   OE1  GLU A   115     CD1  ILE A   168              2.07            
REMARK 500   O    HOH A   485     O    HOH A   654              2.07            
REMARK 500   O    HOH A   405     O    HOH A   463              2.10            
REMARK 500   O    HOH A   401     O    HOH A   486              2.11            
REMARK 500   O    HOH A   441     O    HOH A   697              2.13            
REMARK 500   O    HOH A   426     O    HOH A   432              2.13            
REMARK 500   O    HOH A   407     O    HOH A   475              2.14            
REMARK 500   O    HOH A   421     O    HOH A   434              2.14            
REMARK 500   O    HOH A   472     O    HOH A   679              2.15            
REMARK 500   O    HOH A   416     O    HOH A   435              2.15            
REMARK 500   NZ   LYS A    27     O    HOH A   476              2.16            
REMARK 500   O    HOH A   319     O    HOH A   439              2.18            
REMARK 500   O    HOH P   209     O    HOH P   477              2.18            
REMARK 500   O    HOH A   309     O    HOH A   413              2.18            
REMARK 500   O    HOH A   239     O    HOH A   457              2.18            
REMARK 500   O    HOH A   379     O    HOH A   460              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   511     O    HOH A   607     6444     1.17            
REMARK 500   O    HOH A   251     O    HOH A   625     6444     1.55            
REMARK 500   O    HOH A   427     O    HOH A   674     6444     1.87            
REMARK 500   OE1  GLU A    34     O    HOH A   258     6444     1.98            
REMARK 500   O    HOH A   408     O    HOH A   408     3454     2.07            
REMARK 500   O    HOH A   398     O    HOH A   471     6444     2.09            
REMARK 500   O    HOH A   384     O    HOH A   449     8545     2.10            
REMARK 500   O    HOH A   489     O    HOH A   489     3455     2.12            
REMARK 500   O    HOH A   381     O    HOH A   658     4555     2.14            
REMARK 500   O    HOH A   394     O    HOH A   448     2454     2.15            
REMARK 500   O    HOH A   459     O    HOH A   652     8445     2.15            
REMARK 500   O    HOH A   460     O    HOH A   528     6444     2.18            
REMARK 500   O    ALA A    -3     O    HOH A   448     2454     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLY A  -4   N     GLY A  -4   CA      0.095                       
REMARK 500    TYR A  84   CG    TYR A  84   CD1    -0.126                       
REMARK 500    TYR A  84   CD1   TYR A  84   CE1     0.198                       
REMARK 500    TYR A  84   CZ    TYR A  84   CE2    -0.078                       
REMARK 500    GLU A  91   CD    GLU A  91   OE2     0.111                       
REMARK 500    GLU A 115   CG    GLU A 115   CD      0.098                       
REMARK 500    GLU A 115   CD    GLU A 115   OE1     0.080                       
REMARK 500    TYR A 130   CD1   TYR A 130   CE1     0.112                       
REMARK 500    TYR A 130   CZ    TYR A 130   CE2    -0.089                       
REMARK 500    SER A 158   CB    SER A 158   OG      0.099                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   3   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    GLU A  35   OE1 -  CD  -  OE2 ANGL. DEV. =  -8.0 DEGREES          
REMARK 500    TYR A  84   CB  -  CG  -  CD1 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    TYR A  84   CD1 -  CE1 -  CZ  ANGL. DEV. =  -8.9 DEGREES          
REMARK 500    TYR A 130   CD1 -  CE1 -  CZ  ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    ARG A 148   NH1 -  CZ  -  NH2 ANGL. DEV. =  10.7 DEGREES          
REMARK 500    ARG A 148   NE  -  CZ  -  NH2 ANGL. DEV. = -14.8 DEGREES          
REMARK 500    MET A 155   CG  -  SD  -  CE  ANGL. DEV. = -11.7 DEGREES          
REMARK 500    MET A 202   CG  -  SD  -  CE  ANGL. DEV. = -26.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  18       73.07   -104.29                                   
REMARK 500    HIS A 106       34.38   -144.52                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ASN A  42         0.07    SIDE CHAIN                              
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 235  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A   2   OE1                                                    
REMARK 620 2 HOH A 427   O    84.0                                              
REMARK 620 3 HOH A 498   O    82.0  69.6                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 233  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  86   OE1                                                    
REMARK 620 2 GLU A  86   OE2  53.3                                              
REMARK 620 3 GLU A  89   OE2 101.0  92.4                                        
REMARK 620 4 HOH A 404   O    80.8 133.5  89.5                                  
REMARK 620 5 HOH A 417   O   149.0  97.5  66.6 125.4                            
REMARK 620 6 HOH A 424   O   147.1 158.8  88.1  67.6  63.4                      
REMARK 620 7 HOH A 478   O    91.7  38.6  81.4 167.0  59.2 121.0                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 232                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 233                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 234                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 235                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3IQJ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3IQV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3CU8   RELATED DB: PDB                                   
DBREF  3IQU A    1   231  UNP    P31947   1433S_HUMAN      1    231             
DBREF  3IQU P  255   260  UNP    P04049   RAF1_HUMAN     255    260             
SEQADV 3IQU GLY A   -4  UNP  P31947              EXPRESSION TAG                 
SEQADV 3IQU ALA A   -3  UNP  P31947              EXPRESSION TAG                 
SEQADV 3IQU MET A   -2  UNP  P31947              EXPRESSION TAG                 
SEQADV 3IQU GLY A   -1  UNP  P31947              EXPRESSION TAG                 
SEQADV 3IQU SER A    0  UNP  P31947              EXPRESSION TAG                 
SEQRES   1 A  236  GLY ALA MET GLY SER MET GLU ARG ALA SER LEU ILE GLN          
SEQRES   2 A  236  LYS ALA LYS LEU ALA GLU GLN ALA GLU ARG TYR GLU ASP          
SEQRES   3 A  236  MET ALA ALA PHE MET LYS GLY ALA VAL GLU LYS GLY GLU          
SEQRES   4 A  236  GLU LEU SER CSO GLU GLU ARG ASN LEU LEU SER VAL ALA          
SEQRES   5 A  236  TYR LYS ASN VAL VAL GLY GLY GLN ARG ALA ALA TRP ARG          
SEQRES   6 A  236  VAL LEU SER SER ILE GLU GLN LYS SER ASN GLU GLU GLY          
SEQRES   7 A  236  SER GLU GLU LYS GLY PRO GLU VAL ARG GLU TYR ARG GLU          
SEQRES   8 A  236  LYS VAL GLU THR GLU LEU GLN GLY VAL CYS ASP THR VAL          
SEQRES   9 A  236  LEU GLY LEU LEU ASP SER HIS LEU ILE LYS GLU ALA GLY          
SEQRES  10 A  236  ASP ALA GLU SER ARG VAL PHE TYR LEU LYS MET LYS GLY          
SEQRES  11 A  236  ASP TYR TYR ARG TYR LEU ALA GLU VAL ALA THR GLY ASP          
SEQRES  12 A  236  ASP LYS LYS ARG ILE ILE ASP SER ALA ARG SER ALA TYR          
SEQRES  13 A  236  GLN GLU ALA MET ASP ILE SER LYS LYS GLU MET PRO PRO          
SEQRES  14 A  236  THR ASN PRO ILE ARG LEU GLY LEU ALA LEU ASN PHE SER          
SEQRES  15 A  236  VAL PHE HIS TYR GLU ILE ALA ASN SER PRO GLU GLU ALA          
SEQRES  16 A  236  ILE SER LEU ALA LYS THR THR PHE ASP GLU ALA MET ALA          
SEQRES  17 A  236  ASP LEU HIS THR LEU SER GLU ASP SER TYR LYS ASP SER          
SEQRES  18 A  236  THR LEU ILE MET GLN LEU LEU ARG ASP ASN LEU THR LEU          
SEQRES  19 A  236  TRP THR                                                      
SEQRES   1 P    6  GLN ARG SER THR SEP THR                                      
MODRES 3IQU CSO A   38  CYS  S-HYDROXYCYSTEINE                                  
MODRES 3IQU SEP P  259  SER  PHOSPHOSERINE                                      
HET    CSO  A  38       7                                                       
HET    SEP  P 259      10                                                       
HET     CL  A 232       1                                                       
HET     MG  A 233       1                                                       
HET     MG  A 234       1                                                       
HET     MG  A 235       1                                                       
HETNAM     CSO S-HYDROXYCYSTEINE                                                
HETNAM     SEP PHOSPHOSERINE                                                    
HETNAM      CL CHLORIDE ION                                                     
HETNAM      MG MAGNESIUM ION                                                    
HETSYN     SEP PHOSPHONOSERINE                                                  
FORMUL   1  CSO    C3 H7 N O3 S                                                 
FORMUL   2  SEP    C3 H8 N O6 P                                                 
FORMUL   3   CL    CL 1-                                                        
FORMUL   4   MG    3(MG 2+)                                                     
FORMUL   7  HOH   *492(H2 O)                                                    
HELIX    1   1 GLU A    2  ALA A   16  1                                  15    
HELIX    2   2 ARG A   18  LYS A   32  1                                  15    
HELIX    3   3 SER A   37  ASN A   70  1                                  34    
HELIX    4   4 PRO A   79  SER A  105  1                                  27    
HELIX    5   5 HIS A  106  ALA A  111  1                                   6    
HELIX    6   6 ASP A  113  ALA A  135  1                                  23    
HELIX    7   7 ASP A  139  MET A  162  1                                  24    
HELIX    8   8 ASN A  166  ILE A  183  1                                  18    
HELIX    9   9 SER A  186  LEU A  205  1                                  20    
HELIX   10  10 HIS A  206  LEU A  208  5                                   3    
HELIX   11  11 SER A  209  THR A  231  1                                  23    
LINK         C   SER A  37                 N   CSO A  38     1555   1555  1.33  
LINK         C   CSO A  38                 N   GLU A  39     1555   1555  1.31  
LINK         C   THR P 258                 N   SEP P 259     1555   1555  1.32  
LINK         C   SEP P 259                 N   THR P 260     1555   1555  1.32  
LINK         OE1 GLU A   2                MG    MG A 235     1555   1555  2.39  
LINK         OE1 GLU A  75                MG    MG A 234     1555   1555  2.49  
LINK         OE1BGLU A  86                MG    MG A 233     1555   1555  2.42  
LINK         OE2BGLU A  86                MG    MG A 233     1555   1555  2.51  
LINK         OE2 GLU A  89                MG    MG A 233     1555   1555  2.35  
LINK        MG    MG A 233                 O   HOH A 404     1555   1555  2.09  
LINK        MG    MG A 233                 O   HOH A 417     1555   1555  1.74  
LINK        MG    MG A 233                 O   HOH A 424     1555   1555  2.49  
LINK        MG    MG A 233                 O   HOH A 478     1555   1555  2.23  
LINK        MG    MG A 235                 O   HOH A 427     1555   1555  2.25  
LINK        MG    MG A 235                 O   HOH A 498     1555   1555  2.52  
CISPEP   1 SER A  105    HIS A  106          0        10.28                     
SITE     1 AC1  2 LYS A   9  HOH A 601                                          
SITE     1 AC2  6 GLU A  86  GLU A  89  HOH A 404  HOH A 417                    
SITE     2 AC2  6 HOH A 424  HOH A 478                                          
SITE     1 AC3  6 GLU A  75  GLU A 161  HOH A 256  HOH A 273                    
SITE     2 AC3  6 HOH A 292  HOH A 637                                          
SITE     1 AC4  4 GLU A   2  HOH A 427  HOH A 498  HOH A 674                    
CRYST1   82.180  112.170   62.730  90.00  90.00  90.00 C 2 2 21      8          
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      0.012168  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008915  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015941        0.00000