HEADER    TRANSFERASE ACTIVATOR                   28-APR-04   1T46              
TITLE     STRUCTURAL BASIS FOR THE AUTOINHIBITION AND STI-571 INHIBITION OF C-  
TITLE    2 KIT TYROSINE KINASE                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HOMO SAPIENS V-KIT HARDY-ZUCKERMAN 4 FELINE SARCOMA VIRAL  
COMPND   3 ONCOGENE HOMOLOG;                                                    
COMPND   4 CHAIN: A;                                                            
COMPND   5 FRAGMENT: TYROSINE KINASE;                                           
COMPND   6 EC: 2.7.1.112;                                                       
COMPND   7 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: KIT;                                                           
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS;                          
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PSXB1                                     
KEYWDS    KINASE, INHIBITOR, STI-571, GLEEVEC, TRANSFERASE ACTIVATOR            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.D.MOL,D.R.DOUGAN,T.R.SCHNEIDER,R.J.SKENE,M.L.KRAUS,D.N.SCHEIBE,     
AUTHOR   2 G.P.SNELL,H.ZOU,B.C.SANG,K.P.WILSON                                  
REVDAT   5   14-FEB-24 1T46    1       REMARK HETSYN                            
REVDAT   4   23-AUG-17 1T46    1       SOURCE REMARK                            
REVDAT   3   24-FEB-09 1T46    1       VERSN                                    
REVDAT   2   03-AUG-04 1T46    1       JRNL                                     
REVDAT   1   15-JUN-04 1T46    0                                                
JRNL        AUTH   C.D.MOL,D.R.DOUGAN,T.R.SCHNEIDER,R.J.SKENE,M.L.KRAUS,        
JRNL        AUTH 2 D.N.SCHEIBE,G.P.SNELL,H.ZOU,B.C.SANG,K.P.WILSON              
JRNL        TITL   STRUCTURAL BASIS FOR THE AUTOINHIBITION AND STI-571          
JRNL        TITL 2 INHIBITION OF C-KIT TYROSINE KINASE.                         
JRNL        REF    J.BIOL.CHEM.                  V. 279 31655 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   15123710                                                     
JRNL        DOI    10.1074/JBC.M403319200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.19                                        
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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 45483                          
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) : 0.190                           
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2406                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2980                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2450                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 159                          
REMARK   3   BIN FREE R VALUE                    : 0.2760                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2359                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 47                                      
REMARK   3   SOLVENT ATOMS            : 268                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.46                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.18000                                              
REMARK   3    B22 (A**2) : 1.18000                                              
REMARK   3    B33 (A**2) : -1.78000                                             
REMARK   3    B12 (A**2) : 0.59000                                              
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): 0.086         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.085         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.059         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.717         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.961                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.955                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2487 ; 0.007 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3368 ; 1.085 ; 1.980       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   295 ; 5.050 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   366 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1853 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1328 ; 0.193 ; 0.200       
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):   252 ; 0.118 ; 0.200       
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):    68 ; 0.165 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    21 ; 0.153 ; 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):  1485 ; 1.481 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2402 ; 2.471 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1002 ; 1.866 ; 2.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   966 ; 2.825 ; 3.000       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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: NULL                                      
REMARK   4                                                                      
REMARK   4 1T46 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-APR-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022289.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-NOV-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.3                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48006                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
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     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 4.600                              
REMARK 200  R MERGE                    (I) : 0.02800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.36700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PHOSPHATE, PH 8.50, VAPOR DIFFUSION,     
REMARK 280  SITTING DROP, TEMPERATURE 275K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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       85.25333            
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       42.62667            
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       42.62667            
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       85.25333            
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     ILE A   690                                                      
REMARK 465     CYS A   691                                                      
REMARK 465     SER A   692                                                      
REMARK 465     LYS A   693                                                      
REMARK 465     THR A   694                                                      
REMARK 465     SER A   753                                                      
REMARK 465     PRO A   754                                                      
REMARK 465     ALA A   755                                                      
REMARK 465     ILE A   756                                                      
REMARK 465     MET A   757                                                      
REMARK 465     GLU A   758                                                      
REMARK 465     ASP A   759                                                      
REMARK 465     ASP A   760                                                      
REMARK 465     GLU A   761                                                      
REMARK 465     HIS A   934                                                      
REMARK 465     ILE A   935                                                      
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    ASP A 876   CB  -  CG  -  OD2 ANGL. DEV. =   5.5 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 791      -17.12     82.13                                   
REMARK 500    ASP A 792       45.98   -142.54                                   
REMARK 500    ASN A 828       45.56   -106.12                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 4                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 5                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE STI A 3                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1PKG   RELATED DB: PDB                                   
REMARK 900 ACTIVE C-KIT                                                         
REMARK 900 RELATED ID: 1T45   RELATED DB: PDB                                   
REMARK 900 AUTOINHIBITED C-KIT                                                  
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THIS IS A RECEPTOR PROTEIN TYROSINE KINASE                           
REMARK 999 WITH A "SPLIT" KINASE DOMAIN. THUS THE TWO                           
REMARK 999 CONSERVED KINASE DOMAINS ARE INTERRUPTED BY                          
REMARK 999 A LARGE NON-CONSERVED INSERTION CALLED THE                           
REMARK 999 KINASE INSERTION DOMAIN (KID).  IN THE                               
REMARK 999 CONSTRUCT THE KID RESIDUES 694-753 WERE                              
REMARK 999 DELETED AND REPLACED WITH TWO VECTOR                                 
REMARK 999 RESIDUES (THR-SER).                                                  
DBREF  1T46 A  565   693  UNP    P10721   KIT_HUMAN      565    693             
DBREF  1T46 A  754   935  GB     4557695  NP_000213      754    935             
SEQADV 1T46 THR A  694  UNP  P10721              SEE REMARK 999                 
SEQADV 1T46 SER A  753  UNP  P10721              SEE REMARK 999                 
SEQRES   1 A  313  GLY ASN ASN TYR VAL TYR ILE ASP PRO THR GLN LEU PRO          
SEQRES   2 A  313  TYR ASP HIS LYS TRP GLU PHE PRO ARG ASN ARG LEU SER          
SEQRES   3 A  313  PHE GLY LYS THR LEU GLY ALA GLY ALA PHE GLY LYS VAL          
SEQRES   4 A  313  VAL GLU ALA THR ALA TYR GLY LEU ILE LYS SER ASP ALA          
SEQRES   5 A  313  ALA MET THR VAL ALA VAL LYS MET LEU LYS PRO SER ALA          
SEQRES   6 A  313  HIS LEU THR GLU ARG GLU ALA LEU MET SER GLU LEU LYS          
SEQRES   7 A  313  VAL LEU SER TYR LEU GLY ASN HIS MET ASN ILE VAL ASN          
SEQRES   8 A  313  LEU LEU GLY ALA CYS THR ILE GLY GLY PRO THR LEU VAL          
SEQRES   9 A  313  ILE THR GLU TYR CYS CYS TYR GLY ASP LEU LEU ASN PHE          
SEQRES  10 A  313  LEU ARG ARG LYS ARG ASP SER PHE ILE CYS SER LYS THR          
SEQRES  11 A  313  SER PRO ALA ILE MET GLU ASP ASP GLU LEU ALA LEU ASP          
SEQRES  12 A  313  LEU GLU ASP LEU LEU SER PHE SER TYR GLN VAL ALA LYS          
SEQRES  13 A  313  GLY MET ALA PHE LEU ALA SER LYS ASN CYS ILE HIS ARG          
SEQRES  14 A  313  ASP LEU ALA ALA ARG ASN ILE LEU LEU THR HIS GLY ARG          
SEQRES  15 A  313  ILE THR LYS ILE CYS ASP PHE GLY LEU ALA ARG ASP ILE          
SEQRES  16 A  313  LYS ASN ASP SER ASN TYR VAL VAL LYS GLY ASN ALA ARG          
SEQRES  17 A  313  LEU PRO VAL LYS TRP MET ALA PRO GLU SER ILE PHE ASN          
SEQRES  18 A  313  CYS VAL TYR THR PHE GLU SER ASP VAL TRP SER TYR GLY          
SEQRES  19 A  313  ILE PHE LEU TRP GLU LEU PHE SER LEU GLY SER SER PRO          
SEQRES  20 A  313  TYR PRO GLY MET PRO VAL ASP SER LYS PHE TYR LYS MET          
SEQRES  21 A  313  ILE LYS GLU GLY PHE ARG MET LEU SER PRO GLU HIS ALA          
SEQRES  22 A  313  PRO ALA GLU MET TYR ASP ILE MET LYS THR CYS TRP ASP          
SEQRES  23 A  313  ALA ASP PRO LEU LYS ARG PRO THR PHE LYS GLN ILE VAL          
SEQRES  24 A  313  GLN LEU ILE GLU LYS GLN ILE SER GLU SER THR ASN HIS          
SEQRES  25 A  313  ILE                                                          
HET    PO4  A   4       5                                                       
HET    PO4  A   5       5                                                       
HET    STI  A   3      37                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     STI 4-(4-METHYL-PIPERAZIN-1-YLMETHYL)-N-[4-METHYL-3-(4-              
HETNAM   2 STI  PYRIDIN-3-YL-PYRIMIDIN-2-YLAMINO)-PHENYL]-BENZAMIDE             
HETSYN     STI STI-571; IMATINIB                                                
FORMUL   2  PO4    2(O4 P 3-)                                                   
FORMUL   4  STI    C29 H31 N7 O                                                 
FORMUL   5  HOH   *268(H2 O)                                                    
HELIX    1   1 ASP A  579  GLU A  583  5                                   5    
HELIX    2   2 PRO A  585  ASN A  587  5                                   3    
HELIX    3   3 HIS A  630  GLY A  648  1                                  19    
HELIX    4   4 LEU A  678  LYS A  685  1                                   8    
HELIX    5   5 ASP A  765  LYS A  786  1                                  22    
HELIX    6   6 ALA A  794  ARG A  796  5                                   3    
HELIX    7   7 PHE A  811  ARG A  815  5                                   5    
HELIX    8   8 PRO A  832  MET A  836  5                                   5    
HELIX    9   9 ALA A  837  CYS A  844  1                                   8    
HELIX   10  10 THR A  847  SER A  864  1                                  18    
HELIX   11  11 ASP A  876  GLY A  886  1                                  11    
HELIX   12  12 PRO A  896  TRP A  907  1                                  12    
HELIX   13  13 ASP A  910  ARG A  914  5                                   5    
HELIX   14  14 THR A  916  SER A  931  1                                  16    
SHEET    1   A 5 LEU A 589  ALA A 597  0                                        
SHEET    2   A 5 GLY A 601  TYR A 609 -1  O  GLU A 605   N  GLY A 592           
SHEET    3   A 5 ALA A 617  LEU A 625 -1  O  MET A 618   N  ALA A 608           
SHEET    4   A 5 LEU A 667  GLU A 671 -1  O  VAL A 668   N  LYS A 623           
SHEET    5   A 5 LEU A 656  CYS A 660 -1  N  LEU A 657   O  ILE A 669           
SHEET    1   B 3 GLY A 676  ASP A 677  0                                        
SHEET    2   B 3 ILE A 798  THR A 801 -1  O  LEU A 800   N  GLY A 676           
SHEET    3   B 3 ILE A 805  ILE A 808 -1  O  LYS A 807   N  LEU A 799           
SHEET    1   C 2 VAL A 824  VAL A 825  0                                        
SHEET    2   C 2 ARG A 830  LEU A 831 -1  O  LEU A 831   N  VAL A 824           
SITE     1 AC1  6 LYS A 642  TYR A 675  HIS A 802  GLY A 803                    
SITE     2 AC1  6 LYS A 913  HOH A1189                                          
SITE     1 AC2  7 THR A 619  TYR A 672  CYS A 674  HIS A 802                    
SITE     2 AC2  7 HOH A 997  HOH A1011  HOH A1188                               
SITE     1 AC3 17 ALA A 621  LYS A 623  GLU A 640  LEU A 644                    
SITE     2 AC3 17 VAL A 654  VAL A 668  THR A 670  TYR A 672                    
SITE     3 AC3 17 CYS A 673  CYS A 788  ILE A 789  HIS A 790                    
SITE     4 AC3 17 LEU A 799  CYS A 809  ASP A 810  PHE A 811                    
SITE     5 AC3 17 HOH A1105                                                     
CRYST1   70.089   70.089  127.880  90.00  90.00 120.00 P 32 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      0.014268  0.008237  0.000000        0.00000                         
SCALE2      0.000000  0.016475  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007820        0.00000