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Database: PDB
Entry: 3IOK
LinkDB: 3IOK
Original site: 3IOK 
HEADER    TRANSFERASE                             14-AUG-09   3IOK              
TITLE     2-AMINOPYRAZOLO[1,5-A]PYRIMIDINES AS POTENT AND SELECTIVE INHIBITORS  
TITLE    2 OF JAK2                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TYROSINE-PROTEIN KINASE JAK2;                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: JAK2 KINASE DOMAIN (UNP RESIDUES 842-1132);                
COMPND   5 SYNONYM: JANUS KINASE 2, JAK-2;                                      
COMPND   6 EC: 2.7.10.2;                                                        
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: JAK2;                                                          
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: SF9;                                    
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PBEV1                                     
KEYWDS    KINASE, INHIBITOR, JAK2, JANUS KINASE, ATP-BINDING, DISEASE MUTATION, 
KEYWDS   2 MEMBRANE, NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, PROTO-ONCOGENE, SH2    
KEYWDS   3 DOMAIN, TRANSFERASE, TYROSINE-PROTEIN KINASE                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.J.ZUCCOLA,M.W.LEDEBOER,A.C.PIERCE                                   
REVDAT   3   03-APR-13 3IOK    1       REMARK VERSN                             
REVDAT   2   17-NOV-09 3IOK    1       JRNL                                     
REVDAT   1   10-NOV-09 3IOK    0                                                
JRNL        AUTH   M.W.LEDEBOER,A.C.PIERCE,J.P.DUFFY,H.GAO,D.MESSERSMITH,       
JRNL        AUTH 2 F.G.SALITURO,S.NANTHAKUMAR,J.COME,H.J.ZUCCOLA,L.SWENSON,     
JRNL        AUTH 3 D.SHLYAKTER,S.MAHAJAN,T.HOOCK,B.FAN,W.J.TSAI,E.KOLACZKOWSKI, 
JRNL        AUTH 4 S.CARRIER,J.K.HOGAN,R.ZESSIS,S.PAZHANISAMY,Y.L.BENNANI       
JRNL        TITL   2-AMINOPYRAZOLO[1,5-A]PYRIMIDINES AS POTENT AND SELECTIVE    
JRNL        TITL 2 INHIBITORS OF JAK2.                                          
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  19  6529 2009              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   19857967                                                     
JRNL        DOI    10.1016/J.BMCL.2009.10.053                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 19286                          
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) : 0.228                           
REMARK   3   R VALUE            (WORKING SET) : 0.224                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1509                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1285                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.00                       
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2580                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 96                           
REMARK   3   BIN FREE R VALUE                    : 0.3500                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2382                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 26                                      
REMARK   3   SOLVENT ATOMS            : 78                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 32.04                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 34.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.72000                                             
REMARK   3    B22 (A**2) : 2.36000                                              
REMARK   3    B33 (A**2) : -0.64000                                             
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): 0.276         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.219         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.162         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.054         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.929                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2487 ; 0.008 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3350 ; 1.116 ; 1.987       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   285 ; 5.178 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   126 ;39.630 ;24.048       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   479 ;15.782 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    19 ;16.565 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   351 ; 0.079 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1884 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1130 ; 0.180 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1684 ; 0.302 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   110 ; 0.141 ; 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):    51 ; 0.134 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     9 ; 0.156 ; 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):  1492 ; 0.718 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2332 ; 1.231 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1148 ; 1.520 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1018 ; 2.482 ; 4.500       
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   : 1.20                                          
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 3IOK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-AUG-09.                  
REMARK 100 THE RCSB ID CODE IS RCSB054668.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-OCT-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.2                              
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                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK                             
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19316                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.760                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 4.730                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.81                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.33400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.03                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.1 - 1.5 D-L MALIC ACID, VAPOR          
REMARK 280  DIFFUSION, TEMPERATURE 298K                                         
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       33.80100            
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       33.80100            
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       46.75600            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       51.27300            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       46.75600            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       51.27300            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       33.80100            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       46.75600            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       51.27300            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       33.80100            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       46.75600            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       51.27300            
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: 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 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      HOH A1369  LIES ON A SPECIAL POSITION.                          
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   820                                                      
REMARK 465     GLY A   821                                                      
REMARK 465     SER A   822                                                      
REMARK 465     SER A   823                                                      
REMARK 465     HIS A   824                                                      
REMARK 465     HIS A   825                                                      
REMARK 465     HIS A   826                                                      
REMARK 465     HIS A   827                                                      
REMARK 465     HIS A   828                                                      
REMARK 465     HIS A   829                                                      
REMARK 465     SER A   830                                                      
REMARK 465     SER A   831                                                      
REMARK 465     GLY A   832                                                      
REMARK 465     LEU A   833                                                      
REMARK 465     VAL A   834                                                      
REMARK 465     PRO A   835                                                      
REMARK 465     ARG A   836                                                      
REMARK 465     GLY A   837                                                      
REMARK 465     SER A   838                                                      
REMARK 465     HIS A   839                                                      
REMARK 465     ASN A   840                                                      
REMARK 465     MET A   841                                                      
REMARK 465     ASN A   859                                                      
REMARK 465     PHE A   860                                                      
REMARK 465     ALA A  1131                                                      
REMARK 465     GLY A  1132                                                      
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    LYS A 945     -118.56     19.98                                   
REMARK 500    ARG A 975      -14.13     73.01                                   
REMARK 500    TRP A1106       44.63    -90.33                                   
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 1P6 A 1201                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3IO7   RELATED DB: PDB                                   
DBREF  3IOK A  842  1132  UNP    O60674   JAK2_HUMAN     842   1132             
SEQADV 3IOK MET A  820  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK GLY A  821  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK SER A  822  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK SER A  823  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  824  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  825  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  826  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  827  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  828  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  829  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK SER A  830  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK SER A  831  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK GLY A  832  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK LEU A  833  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK VAL A  834  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK PRO A  835  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK ARG A  836  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK GLY A  837  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK SER A  838  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK HIS A  839  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK ASN A  840  UNP  O60674              EXPRESSION TAG                 
SEQADV 3IOK MET A  841  UNP  O60674              EXPRESSION TAG                 
SEQRES   1 A  313  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  313  LEU VAL PRO ARG GLY SER HIS ASN MET THR GLN PHE GLU          
SEQRES   3 A  313  GLU ARG HIS LEU LYS PHE LEU GLN GLN LEU GLY LYS GLY          
SEQRES   4 A  313  ASN PHE GLY SER VAL GLU MET CYS ARG TYR ASP PRO LEU          
SEQRES   5 A  313  GLN ASP ASN THR GLY GLU VAL VAL ALA VAL LYS LYS LEU          
SEQRES   6 A  313  GLN HIS SER THR GLU GLU HIS LEU ARG ASP PHE GLU ARG          
SEQRES   7 A  313  GLU ILE GLU ILE LEU LYS SER LEU GLN HIS ASP ASN ILE          
SEQRES   8 A  313  VAL LYS TYR LYS GLY VAL CYS TYR SER ALA GLY ARG ARG          
SEQRES   9 A  313  ASN LEU LYS LEU ILE MET GLU TYR LEU PRO TYR GLY SER          
SEQRES  10 A  313  LEU ARG ASP TYR LEU GLN LYS HIS LYS GLU ARG ILE ASP          
SEQRES  11 A  313  HIS ILE LYS LEU LEU GLN TYR THR SER GLN ILE CYS LYS          
SEQRES  12 A  313  GLY MET GLU TYR LEU GLY THR LYS ARG TYR ILE HIS ARG          
SEQRES  13 A  313  ASP LEU ALA THR ARG ASN ILE LEU VAL GLU ASN GLU ASN          
SEQRES  14 A  313  ARG VAL LYS ILE GLY ASP PHE GLY LEU THR LYS VAL LEU          
SEQRES  15 A  313  PRO GLN ASP LYS GLU PTR PTR LYS VAL LYS GLU PRO GLY          
SEQRES  16 A  313  GLU SER PRO ILE PHE TRP TYR ALA PRO GLU SER LEU THR          
SEQRES  17 A  313  GLU SER LYS PHE SER VAL ALA SER ASP VAL TRP SER PHE          
SEQRES  18 A  313  GLY VAL VAL LEU TYR GLU LEU PHE THR TYR ILE GLU LYS          
SEQRES  19 A  313  SER LYS SER PRO PRO ALA GLU PHE MET ARG MET ILE GLY          
SEQRES  20 A  313  ASN ASP LYS GLN GLY GLN MET ILE VAL PHE HIS LEU ILE          
SEQRES  21 A  313  GLU LEU LEU LYS ASN ASN GLY ARG LEU PRO ARG PRO ASP          
SEQRES  22 A  313  GLY CYS PRO ASP GLU ILE TYR MET ILE MET THR GLU CYS          
SEQRES  23 A  313  TRP ASN ASN ASN VAL ASN GLN ARG PRO SER PHE ARG ASP          
SEQRES  24 A  313  LEU ALA LEU ARG VAL ASP GLN ILE ARG ASP ASN MET ALA          
SEQRES  25 A  313  GLY                                                          
MODRES 3IOK PTR A 1007  TYR  O-PHOSPHOTYROSINE                                  
MODRES 3IOK PTR A 1008  TYR  O-PHOSPHOTYROSINE                                  
HET    PTR  A1007      16                                                       
HET    PTR  A1008      16                                                       
HET    1P6  A1201      26                                                       
HETNAM     PTR O-PHOSPHOTYROSINE                                                
HETNAM     1P6 3-(6-{[(1S)-1-(4-FLUOROPHENYL)ETHYL]AMINO}PYRIMIDIN-4-           
HETNAM   2 1P6  YL)PYRAZOLO[1,5-A]PYRIMIDIN-2-AMINE                             
HETSYN     PTR PHOSPHONOTYROSINE                                                
FORMUL   1  PTR    2(C9 H12 N O6 P)                                             
FORMUL   2  1P6    C18 H16 F N7                                                 
FORMUL   3  HOH   *78(H2 O)                                                     
HELIX    1   1 GLU A  845  ARG A  847  5                                   3    
HELIX    2   2 THR A  888  SER A  904  1                                  17    
HELIX    3   3 SER A  936  LYS A  945  1                                  10    
HELIX    4   4 GLU A  946  ILE A  948  5                                   3    
HELIX    5   5 ASP A  949  LYS A  970  1                                  22    
HELIX    6   6 ALA A  978  ARG A  980  5                                   3    
HELIX    7   7 PRO A 1017  TYR A 1021  5                                   5    
HELIX    8   8 ALA A 1022  SER A 1029  1                                   8    
HELIX    9   9 SER A 1032  THR A 1049  1                                  18    
HELIX   10  10 GLU A 1052  LYS A 1055  5                                   4    
HELIX   11  11 SER A 1056  GLY A 1066  1                                  11    
HELIX   12  12 GLY A 1071  ASN A 1084  1                                  14    
HELIX   13  13 PRO A 1095  TRP A 1106  1                                  12    
HELIX   14  14 ASN A 1109  ARG A 1113  5                                   5    
HELIX   15  15 SER A 1115  MET A 1130  1                                  16    
SHEET    1   A 5 LEU A 849  GLY A 856  0                                        
SHEET    2   A 5 SER A 862  TYR A 868 -1  O  MET A 865   N  GLN A 853           
SHEET    3   A 5 GLU A 877  LYS A 883 -1  O  GLU A 877   N  TYR A 868           
SHEET    4   A 5 LEU A 925  GLU A 930 -1  O  MET A 929   N  ALA A 880           
SHEET    5   A 5 TYR A 913  TYR A 918 -1  N  GLY A 915   O  ILE A 928           
SHEET    1   B 2 TYR A 972  ILE A 973  0                                        
SHEET    2   B 2 LYS A 999  VAL A1000 -1  O  LYS A 999   N  ILE A 973           
SHEET    1   C 2 ILE A 982  ASN A 986  0                                        
SHEET    2   C 2 ARG A 989  ILE A 992 -1  O  LYS A 991   N  LEU A 983           
SHEET    1   D 2 PTR A1008  LYS A1009  0                                        
SHEET    2   D 2 LYS A1030  PHE A1031 -1  O  PHE A1031   N  PTR A1008           
LINK         C   GLU A1006                 N   PTR A1007     1555   1555  1.33  
LINK         C   PTR A1007                 N   PTR A1008     1555   1555  1.33  
LINK         C   PTR A1008                 N   LYS A1009     1555   1555  1.33  
SITE     1 AC1 14 LEU A 855  GLY A 856  LYS A 857  VAL A 863                    
SITE     2 AC1 14 ALA A 880  MET A 929  GLU A 930  TYR A 931                    
SITE     3 AC1 14 LEU A 932  ARG A 980  ASN A 981  LEU A 983                    
SITE     4 AC1 14 GLY A 993  ASP A 994                                          
CRYST1   93.512  102.546   67.602  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      0.010694  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009752  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014792        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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