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Database: PDB
Entry: 3CCN
LinkDB: 3CCN
Original site: 3CCN 
HEADER    TRANSFERASE                             26-FEB-08   3CCN              
TITLE     X-RAY STRUCTURE OF C-MET WITH TRIAZOLOPYRIDAZINE INHIBITOR.           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEPATOCYTE GROWTH FACTOR RECEPTOR;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PROTEIN KINASE DOMAIN,C-MET KINASE DOMAIN;                 
COMPND   5 SYNONYM: HGF RECEPTOR, SCATTER FACTOR RECEPTOR, SF RECEPTOR, HGF/SF  
COMPND   6 RECEPTOR, MET PROTO-ONCOGENE TYROSINE KINASE, C-MET;                 
COMPND   7 EC: 2.7.10.1;                                                        
COMPND   8 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: MET;                                                           
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108                                        
KEYWDS    C-MET KINASE TRIAZOLOPYRIDAZINE, ATP-BINDING, GLYCOPROTEIN, MEMBRANE, 
KEYWDS   2 NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, PROTO-ONCOGENE, RECEPTOR,        
KEYWDS   3 TRANSFERASE, TRANSMEMBRANE, TYROSINE-PROTEIN KINASE                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.K.ABRECHT,J.-C.HARMANGE,D.BAUER,I.DUSSAULT,A.LONG,S.F.BELLON        
REVDAT   4   30-AUG-23 3CCN    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 3CCN    1       VERSN                                    
REVDAT   2   27-MAY-08 3CCN    1       JRNL                                     
REVDAT   1   29-APR-08 3CCN    0                                                
JRNL        AUTH   B.K.ALBRECHT,J.C.HARMANGE,D.BAUER,L.BERRY,C.BODE,A.A.BOEZIO, 
JRNL        AUTH 2 A.CHEN,D.CHOQUETTE,I.DUSSAULT,C.FRIDRICH,S.HIRAI,D.HOFFMAN,  
JRNL        AUTH 3 J.F.LARROW,P.KAPLAN-LEFKO,J.LIN,J.LOHMAN,A.M.LONG,           
JRNL        AUTH 4 J.MORIGUCHI,A.O'CONNOR,M.H.POTASHMAN,M.REESE,K.REX,          
JRNL        AUTH 5 A.SIEGMUND,K.SHAH,R.SHIMANOVICH,S.K.SPRINGER,Y.TEFFERA,      
JRNL        AUTH 6 Y.YANG,Y.ZHANG,S.F.BELLON                                    
JRNL        TITL   DISCOVERY AND OPTIMIZATION OF TRIAZOLOPYRIDAZINES AS POTENT  
JRNL        TITL 2 AND SELECTIVE INHIBITORS OF THE C-MET KINASE.                
JRNL        REF    J.MED.CHEM.                   V.  51  2879 2008              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   18426196                                                     
JRNL        DOI    10.1021/JM800043G                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 20714                          
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) : 0.238                           
REMARK   3   R VALUE            (WORKING SET) : 0.236                           
REMARK   3   FREE R VALUE                     : 0.275                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1089                            
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) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1291                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 80.31                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3080                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 71                           
REMARK   3   BIN FREE R VALUE                    : 0.3680                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2148                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 177                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.95                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.42000                                              
REMARK   3    B22 (A**2) : 0.76000                                              
REMARK   3    B33 (A**2) : -1.19000                                             
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): 0.213         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.184         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.114         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.740         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.919                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.896                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2229 ; 0.008 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3023 ; 1.057 ; 1.971       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   270 ; 4.878 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    87 ;31.456 ;23.333       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   364 ;12.841 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     9 ;14.232 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   340 ; 0.073 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1654 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1013 ; 0.172 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1498 ; 0.302 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   144 ; 0.116 ; 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):    36 ; 0.160 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    11 ; 0.102 ; 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):  1417 ; 0.601 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2204 ; 0.999 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   952 ; 1.144 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   819 ; 1.676 ; 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  : 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 3CCN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-FEB-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000046615.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-APR-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 130                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-E+ SUPERBRIGHT           
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NONE                               
REMARK 200  OPTICS                         : VARIMAX OPTICS                     
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21891                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -1.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.1                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 81.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.17000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.500                              
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: 2RFN                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.69                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.8, 15% PEG 4K, 6% 2      
REMARK 280  -PROPANOL, 40MM BME, AND 3% ETHANOL., VAPOR DIFFUSION,              
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   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       21.02900            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.91350            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       21.72000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       78.91350            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.02900            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       21.72000            
REMARK 290   SMTRY3   4  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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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     MET A  1047                                                      
REMARK 465     GLN A  1048                                                      
REMARK 465     ASN A  1049                                                      
REMARK 465     THR A  1050                                                      
REMARK 465     VAL A  1051                                                      
REMARK 465     HIS A  1052                                                      
REMARK 465     ILE A  1053                                                      
REMARK 465     ASP A  1054                                                      
REMARK 465     LEU A  1098                                                      
REMARK 465     ASP A  1099                                                      
REMARK 465     ASN A  1100                                                      
REMARK 465     ASP A  1101                                                      
REMARK 465     GLY A  1102                                                      
REMARK 465     LYS A  1103                                                      
REMARK 465     ILE A  1115                                                      
REMARK 465     THR A  1116                                                      
REMARK 465     ASP A  1117                                                      
REMARK 465     ILE A  1118                                                      
REMARK 465     GLY A  1119                                                      
REMARK 465     ARG A  1148                                                      
REMARK 465     SER A  1149                                                      
REMARK 465     GLU A  1150                                                      
REMARK 465     GLY A  1151                                                      
REMARK 465     SER A  1152                                                      
REMARK 465     ASN A  1239                                                      
REMARK 465     GLU A  1347                                                      
REMARK 465     HIS A  1348                                                      
REMARK 465     TYR A  1349                                                      
REMARK 465     VAL A  1350                                                      
REMARK 465     HIS A  1351                                                      
REMARK 465     HIS A  1352                                                      
REMARK 465     HIS A  1353                                                      
REMARK 465     HIS A  1354                                                      
REMARK 465     HIS A  1355                                                      
REMARK 465     HIS A  1356                                                      
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     LEU A1058    CG   CD1  CD2                                       
REMARK 470     GLU A1061    CG   CD   OE1  OE2                                  
REMARK 470     GLN A1064    CG   CD   OE1  NE2                                  
REMARK 470     ARG A1086    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASN A1113    CG   OD1  ND2                                       
REMARK 470     ARG A1114    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A1120    CG   CD   OE1  OE2                                  
REMARK 470     ARG A1227    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A1232    CG   CD   CE   NZ                                   
REMARK 470     LYS A1240    CG   CD   CE   NZ                                   
REMARK 470     THR A1241    OG1  CG2                                            
REMARK 470     LYS A1259    CG   CD   CE   NZ                                   
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 A1060     -114.46    -68.62                                   
REMARK 500    ASN A1113      -63.74   -151.78                                   
REMARK 500    ARG A1203      -21.52     80.65                                   
REMARK 500    ASP A1204       42.31   -143.69                                   
REMARK 500    ALA A1221     -153.22   -129.45                                   
REMARK 500    THR A1289     -120.11     45.52                                   
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 LKG A 1                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3CD8   RELATED DB: PDB                                   
DBREF  3CCN A 1048  1350  UNP    P08581   MET_HUMAN     1048   1350             
SEQADV 3CCN MET A 1047  UNP  P08581              INITIATING METHIONINE          
SEQADV 3CCN LEU A 1272  UNP  P08581    VAL  1272 VARIANT                        
SEQADV 3CCN HIS A 1351  UNP  P08581              EXPRESSION TAG                 
SEQADV 3CCN HIS A 1352  UNP  P08581              EXPRESSION TAG                 
SEQADV 3CCN HIS A 1353  UNP  P08581              EXPRESSION TAG                 
SEQADV 3CCN HIS A 1354  UNP  P08581              EXPRESSION TAG                 
SEQADV 3CCN HIS A 1355  UNP  P08581              EXPRESSION TAG                 
SEQADV 3CCN HIS A 1356  UNP  P08581              EXPRESSION TAG                 
SEQRES   1 A  310  MET GLN ASN THR VAL HIS ILE ASP LEU SER ALA LEU ASN          
SEQRES   2 A  310  PRO GLU LEU VAL GLN ALA VAL GLN HIS VAL VAL ILE GLY          
SEQRES   3 A  310  PRO SER SER LEU ILE VAL HIS PHE ASN GLU VAL ILE GLY          
SEQRES   4 A  310  ARG GLY HIS PHE GLY CYS VAL TYR HIS GLY THR LEU LEU          
SEQRES   5 A  310  ASP ASN ASP GLY LYS LYS ILE HIS CYS ALA VAL LYS SER          
SEQRES   6 A  310  LEU ASN ARG ILE THR ASP ILE GLY GLU VAL SER GLN PHE          
SEQRES   7 A  310  LEU THR GLU GLY ILE ILE MET LYS ASP PHE SER HIS PRO          
SEQRES   8 A  310  ASN VAL LEU SER LEU LEU GLY ILE CYS LEU ARG SER GLU          
SEQRES   9 A  310  GLY SER PRO LEU VAL VAL LEU PRO TYR MET LYS HIS GLY          
SEQRES  10 A  310  ASP LEU ARG ASN PHE ILE ARG ASN GLU THR HIS ASN PRO          
SEQRES  11 A  310  THR VAL LYS ASP LEU ILE GLY PHE GLY LEU GLN VAL ALA          
SEQRES  12 A  310  LYS GLY MET LYS TYR LEU ALA SER LYS LYS PHE VAL HIS          
SEQRES  13 A  310  ARG ASP LEU ALA ALA ARG ASN CYS MET LEU ASP GLU LYS          
SEQRES  14 A  310  PHE THR VAL LYS VAL ALA ASP PHE GLY LEU ALA ARG ASP          
SEQRES  15 A  310  MET TYR ASP LYS GLU TYR TYR SER VAL HIS ASN LYS THR          
SEQRES  16 A  310  GLY ALA LYS LEU PRO VAL LYS TRP MET ALA LEU GLU SER          
SEQRES  17 A  310  LEU GLN THR GLN LYS PHE THR THR LYS SER ASP VAL TRP          
SEQRES  18 A  310  SER PHE GLY VAL LEU LEU TRP GLU LEU MET THR ARG GLY          
SEQRES  19 A  310  ALA PRO PRO TYR PRO ASP VAL ASN THR PHE ASP ILE THR          
SEQRES  20 A  310  VAL TYR LEU LEU GLN GLY ARG ARG LEU LEU GLN PRO GLU          
SEQRES  21 A  310  TYR CYS PRO ASP PRO LEU TYR GLU VAL MET LEU LYS CYS          
SEQRES  22 A  310  TRP HIS PRO LYS ALA GLU MET ARG PRO SER PHE SER GLU          
SEQRES  23 A  310  LEU VAL SER ARG ILE SER ALA ILE PHE SER THR PHE ILE          
SEQRES  24 A  310  GLY GLU HIS TYR VAL HIS HIS HIS HIS HIS HIS                  
HET    LKG  A   1      23                                                       
HETNAM     LKG 4-[(6-PHENYL[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3-YL)                
HETNAM   2 LKG  METHYL]PHENOL                                                   
FORMUL   2  LKG    C18 H14 N4 O                                                 
FORMUL   3  HOH   *177(H2 O)                                                    
HELIX    1   1 LEU A 1062  GLN A 1064  5                                   3    
HELIX    2   2 ALA A 1065  VAL A 1069  1                                   5    
HELIX    3   3 GLU A 1120  ASP A 1133  1                                  14    
HELIX    4   4 ASP A 1164  ASN A 1171  1                                   8    
HELIX    5   5 THR A 1177  LYS A 1198  1                                  22    
HELIX    6   6 ALA A 1206  ARG A 1208  5                                   3    
HELIX    7   7 PHE A 1223  ARG A 1227  5                                   5    
HELIX    8   8 ASP A 1231  TYR A 1235  5                                   5    
HELIX    9   9 PRO A 1246  MET A 1250  5                                   5    
HELIX   10  10 ALA A 1251  GLN A 1258  1                                   8    
HELIX   11  11 THR A 1261  THR A 1278  1                                  18    
HELIX   12  12 ASN A 1288  PHE A 1290  5                                   3    
HELIX   13  13 ASP A 1291  GLN A 1298  1                                   8    
HELIX   14  14 PRO A 1309  TRP A 1320  1                                  12    
HELIX   15  15 LYS A 1323  ARG A 1327  5                                   5    
HELIX   16  16 SER A 1329  THR A 1343  1                                  15    
SHEET    1   A 6 VAL A1070  ILE A1071  0                                        
SHEET    2   A 6 GLY A1144  CYS A1146  1  O  ILE A1145   N  ILE A1071           
SHEET    3   A 6 LEU A1154  PRO A1158 -1  O  LEU A1154   N  CYS A1146           
SHEET    4   A 6 HIS A1106  LYS A1110 -1  N  ALA A1108   O  LEU A1157           
SHEET    5   A 6 CYS A1091  THR A1096 -1  N  TYR A1093   O  VAL A1109           
SHEET    6   A 6 ILE A1077  ARG A1086 -1  N  ILE A1077   O  THR A1096           
SHEET    1   B 2 CYS A1210  LEU A1212  0                                        
SHEET    2   B 2 VAL A1218  VAL A1220 -1  O  LYS A1219   N  MET A1211           
SHEET    1   C 2 SER A1236  VAL A1237  0                                        
SHEET    2   C 2 LYS A1244  LEU A1245 -1  O  LEU A1245   N  SER A1236           
SITE     1 AC1 14 ILE A1084  ALA A1108  LEU A1157  PRO A1158                    
SITE     2 AC1 14 TYR A1159  MET A1160  ASP A1164  ARG A1208                    
SITE     3 AC1 14 MET A1211  ALA A1221  ASP A1222  ALA A1226                    
SITE     4 AC1 14 TYR A1230  HOH A1480                                          
CRYST1   42.058   43.440  157.827  90.00  90.00  90.00 P 21 21 21    4          
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      0.023777  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.023020  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006336        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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