HEADER TRANSFERASE 31-MAR-11 2YEX TITLE SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT TITLE 2 KINASE 1 INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE CHK1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CHK1KD, RESIDUES 1-276; COMPND 5 SYNONYM: CHK1 CHECKPOINT KINASE; COMPND 6 EC: 2.7.11.1; 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 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SF9 KEYWDS TRANSFERASE, CELL CYCLE, CHK EXPDTA X-RAY DIFFRACTION AUTHOR J.A.READ,J.BREED,H.HAYE,E.MCCALL,A.VALLENTINE,A.WHITE REVDAT 1 14-MAR-12 2YEX 0 JRNL AUTH V.OZA,S.ASHWELL,P.BRASSIL,J.BREED,J.EZHUTHACHAN,C.DENG, JRNL AUTH 2 M.GRONDINE,C.HORN,D.LIU,P.LYNE,N.NEWCOMBE,M.PASS,J.READ, JRNL AUTH 3 M.SU,D.TOADER,D.YU,Y.YU,S.ZABLUDOFF JRNL TITL SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT JRNL TITL 2 KINASE 1 INHIBITORS. JRNL REF BIOORG.MED.CHEM.LETT. V. 22 2330 2012 JRNL REFN ISSN 0960-894X JRNL PMID 22342147 JRNL DOI 10.1016/J.BMCL.2012.01.043 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.OZA,S.ASHWELL,P.BRASSIL,J.BREED,C.DENG,J.EZHUTHACHAN, REMARK 1 AUTH 2 H.HAYE,C.HORN,J.JANETKA,P.LYNE,N.NEWCOMBE,L.OTTERBIEN, REMARK 1 AUTH 3 M.PASS,J.READ,S.ROSWELL,M.SU,D.TOADER,D.YU,Y.YU,A.VALENTINE, REMARK 1 AUTH 4 P.WEBBORN,A.WHITE,S.ZABLUDOFF,X.ZHENG REMARK 1 TITL DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS CHECKPOINT REMARK 1 TITL 2 KINASE INHIBITORS--HIT TO LEAD EXPLORATION. REMARK 1 REF BIOORG.MED.CHEM.LETT. V. 20 5133 2010 REMARK 1 REFN ISSN 0960-894X REMARK 1 PMID 20673630 REMARK 1 DOI 10.1016/J.BMCL.2010.07.015 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0110 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : NONE REMARK 3 COMPLETENESS FOR RANGE (%) : 81.59 REMARK 3 NUMBER OF REFLECTIONS : 58940 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) : 0.13503 REMARK 3 R VALUE (WORKING SET) : 0.13352 REMARK 3 FREE R VALUE : 0.16415 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.1 REMARK 3 FREE R VALUE TEST SET COUNT : 3143 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) : 1.300 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.334 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1458 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 27.76 REMARK 3 BIN R VALUE (WORKING SET) : 0.211 REMARK 3 BIN FREE R VALUE SET COUNT : 78 REMARK 3 BIN FREE R VALUE : 0.292 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2191 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 67 REMARK 3 SOLVENT ATOMS : 448 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.2 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 8.814 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.42 REMARK 3 B22 (A**2) : 0.74 REMARK 3 B33 (A**2) : -0.33 REMARK 3 B12 (A**2) : 0.00 REMARK 3 B13 (A**2) : 0.00 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.053 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.050 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.026 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.359 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2306 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1581 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3134 ; 1.507 ; 1.988 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3861 ; 0.934 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 282 ; 5.383 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 105 ;35.931 ;24.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 387 ; 9.922 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;14.626 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 334 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2570 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 455 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1375 ; 1.144 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 546 ; 0.439 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2231 ; 1.776 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 931 ; 2.630 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 899 ; 3.795 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 3887 ; 1.159 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 449 ; 5.578 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3832 ; 2.294 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 270 REMARK 3 ORIGIN FOR THE GROUP (A): 14.0183 34.4825 16.5371 REMARK 3 T TENSOR REMARK 3 T11: 0.0096 T22: 0.0004 REMARK 3 T33: 0.0082 T12: 0.0011 REMARK 3 T13: 0.0055 T23: 0.0008 REMARK 3 L TENSOR REMARK 3 L11: 0.2212 L22: 0.0522 REMARK 3 L33: 0.1886 L12: 0.0183 REMARK 3 L13: 0.0732 L23: -0.0135 REMARK 3 S TENSOR REMARK 3 S11: -0.0033 S12: 0.0018 S13: 0.0069 REMARK 3 S21: 0.0044 S22: 0.0021 S23: -0.0027 REMARK 3 S31: -0.0104 S32: -0.0062 S33: 0.0012 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: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. REMARK 4 REMARK 4 2YEX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 31-MAR-11. REMARK 100 THE PDBE ID CODE IS EBI-47879. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-APR-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.265 REMARK 200 MONOCHROMATOR : SI111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD (QUANTUM 315R) REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62083 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.30 REMARK 200 RESOLUTION RANGE LOW (A) : 25.00 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.6 REMARK 200 DATA REDUNDANCY : 2.8 REMARK 200 R MERGE (I) : 0.06 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.30 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 34.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.7 REMARK 200 R MERGE FOR SHELL (I) : 0.52 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.70 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: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 20.67600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.16350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.38500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.16350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.67600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.38500 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 1 REMARK 465 LYS A 271 REMARK 465 GLY A 272 REMARK 465 ALA A 273 REMARK 465 LYS A 274 REMARK 465 ARG A 275 REMARK 465 PRO A 276 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 ARG A 44 CD NE CZ NH1 NH2 REMARK 470 GLU A 50 CG CD OE1 OE2 REMARK 470 LYS A 53 CE NZ REMARK 470 LYS A 69 CG CD CE NZ REMARK 470 ARG A 141 NE CZ NH1 NH2 REMARK 470 LYS A 180 CD CE NZ REMARK 470 ARG A 182 NE CZ NH1 NH2 REMARK 470 ASP A 213 CG OD1 OD2 REMARK 470 LYS A 270 CG CD CE NZ REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 VAL A 35 CG1 CG2 REMARK 480 ASP A 106 CG OD1 OD2 REMARK 480 VAL A 174 CG1 CG2 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 ASP A 130 47.14 -147.73 REMARK 500 ASP A 148 95.73 77.89 REMARK 500 ASN A 158 -123.24 52.95 REMARK 500 ASN A 159 40.60 -106.88 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 GOL A1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1272 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1273 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1274 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1275 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1276 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A1277 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE YEX A1278 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1279 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1IA8 RELATED DB: PDB REMARK 900 THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE REMARK 900 CHECKPOINTKINASE CHK1 REMARK 900 RELATED ID: 1NVQ RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/UCN-01 REMARK 900 RELATED ID: 1NVR RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASECHK1/ REMARK 900 STAUROSPORINE REMARK 900 RELATED ID: 1NVS RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/SB218078 REMARK 900 RELATED ID: 1ZLT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHK1 COMPLEXED WITH A REMARK 900 HYMENALDISINEANALOG REMARK 900 RELATED ID: 1ZYS RELATED DB: PDB REMARK 900 CO-CRYSTAL STRUCTURE OF CHECKPOINT KINASE CHK1 WITH REMARK 900 APYRROLO-PYRIDINE INHIBITOR REMARK 900 RELATED ID: 2AYP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHK1 WITH AN INDOL INHIBITOR REMARK 900 RELATED ID: 2BR1 RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRB RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRG RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRH RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRM RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRN RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2BRO RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: REMARK 900 INSIGHTS INTO HYDROGEN BONDING AND PROTEIN-LIGAND REMARK 900 AFFINITY REMARK 900 RELATED ID: 2C3J RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND REMARK 900 SELECTIVE INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 2C3K RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND REMARK 900 SELECTIVE INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 2C3L RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND REMARK 900 SELECTIVE INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 2CGU RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY REMARK 900 RECEPTOR-BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2CGV RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY REMARK 900 RECEPTOR-BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2CGW RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY REMARK 900 RECEPTOR-BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2CGX RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY REMARK 900 RECEPTOR-BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2WMQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2WMX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2X8D RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS REMARK 900 CHECKPOINT KINASE INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2X8E RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS REMARK 900 CHECKPOINT KINASE INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2X8I RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS REMARK 900 CHECKPOINT KINASE INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2XEY RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2XEZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2XF0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YDI RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY REMARK 900 STRUCTURE BASED DESIGN AND OPTIMIZATION OF THIOPHENE REMARK 900 CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2YDJ RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY REMARK 900 STRUCTURE BASED DESIGN AND OPTIMIZATION OF THIOPHENE REMARK 900 CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2YDK RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY REMARK 900 STRUCTURE BASED DESIGN AND OPTIMIZATION OF THIOPHENE REMARK 900 CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2YER RELATED DB: PDB REMARK 900 SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT REMARK 900 KINASE 1 INHIBITORS REMARK 900 RELATED ID: 2YM3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YM4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YM5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YM6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YM7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS REMARK 900 RELATED ID: 2YM8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN REMARK 900 COMPLEX WITH INHIBITORS DBREF 2YEX A 1 276 UNP O14757 CHK1_HUMAN 1 276 SEQRES 1 A 276 MET ALA VAL PRO PHE VAL GLU ASP TRP ASP LEU VAL GLN SEQRES 2 A 276 THR LEU GLY GLU GLY ALA TYR GLY GLU VAL GLN LEU ALA SEQRES 3 A 276 VAL ASN ARG VAL THR GLU GLU ALA VAL ALA VAL LYS ILE SEQRES 4 A 276 VAL ASP MET LYS ARG ALA VAL ASP CYS PRO GLU ASN ILE SEQRES 5 A 276 LYS LYS GLU ILE CYS ILE ASN LYS MET LEU ASN HIS GLU SEQRES 6 A 276 ASN VAL VAL LYS PHE TYR GLY HIS ARG ARG GLU GLY ASN SEQRES 7 A 276 ILE GLN TYR LEU PHE LEU GLU TYR CYS SER GLY GLY GLU SEQRES 8 A 276 LEU PHE ASP ARG ILE GLU PRO ASP ILE GLY MET PRO GLU SEQRES 9 A 276 PRO ASP ALA GLN ARG PHE PHE HIS GLN LEU MET ALA GLY SEQRES 10 A 276 VAL VAL TYR LEU HIS GLY ILE GLY ILE THR HIS ARG ASP SEQRES 11 A 276 ILE LYS PRO GLU ASN LEU LEU LEU ASP GLU ARG ASP ASN SEQRES 12 A 276 LEU LYS ILE SER ASP PHE GLY LEU ALA THR VAL PHE ARG SEQRES 13 A 276 TYR ASN ASN ARG GLU ARG LEU LEU ASN LYS MET CYS GLY SEQRES 14 A 276 THR LEU PRO TYR VAL ALA PRO GLU LEU LEU LYS ARG ARG SEQRES 15 A 276 GLU PHE HIS ALA GLU PRO VAL ASP VAL TRP SER CYS GLY SEQRES 16 A 276 ILE VAL LEU THR ALA MET LEU ALA GLY GLU LEU PRO TRP SEQRES 17 A 276 ASP GLN PRO SER ASP SER CYS GLN GLU TYR SER ASP TRP SEQRES 18 A 276 LYS GLU LYS LYS THR TYR LEU ASN PRO TRP LYS LYS ILE SEQRES 19 A 276 ASP SER ALA PRO LEU ALA LEU LEU HIS LYS ILE LEU VAL SEQRES 20 A 276 GLU ASN PRO SER ALA ARG ILE THR ILE PRO ASP ILE LYS SEQRES 21 A 276 LYS ASP ARG TRP TYR ASN LYS PRO LEU LYS LYS GLY ALA SEQRES 22 A 276 LYS ARG PRO HET GOL A1271 6 HET GOL A1272 6 HET GOL A1273 6 HET GOL A1274 6 HET GOL A1275 6 HET GOL A1276 6 HET GOL A1277 6 HET YEX A1278 20 HET SO4 A1279 5 HETNAM GOL GLYCEROL HETNAM YEX 5-METHYL-8-(1H-PYRROL-2-YL)[1,2,4]TRIAZOLO HETNAM 2 YEX [4,3-A]QUINOLIN-1(2H)-ONE HETNAM SO4 SULFATE ION HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 GOL 7(C3 H8 O3) FORMUL 4 YEX C15 H12 N4 O1 FORMUL 2 SO4 O4 S 2- FORMUL 5 HOH *448(H2 O) HELIX 1 1 ALA A 2 ASP A 8 1 7 HELIX 2 2 LYS A 43 ALA A 45 5 3 HELIX 3 3 ASP A 47 MET A 61 1 15 HELIX 4 4 PHE A 93 ILE A 96 5 4 HELIX 5 5 PRO A 103 ILE A 124 1 22 HELIX 6 6 LYS A 132 GLU A 134 5 3 HELIX 7 7 THR A 170 VAL A 174 5 5 HELIX 8 8 ALA A 175 LYS A 180 5 6 HELIX 9 9 HIS A 185 GLY A 204 1 20 HELIX 10 10 CYS A 215 GLU A 223 1 9 HELIX 11 11 PRO A 230 ILE A 234 5 5 HELIX 12 12 ASP A 235 LEU A 246 1 12 HELIX 13 13 THR A 255 LYS A 260 1 6 SHEET 1 AA 5 TRP A 9 GLU A 17 0 SHEET 2 AA 5 GLU A 22 ASN A 28 -1 O VAL A 23 N LEU A 15 SHEET 3 AA 5 ALA A 34 ASP A 41 -1 O VAL A 35 N ALA A 26 SHEET 4 AA 5 ILE A 79 GLU A 85 -1 O GLN A 80 N VAL A 40 SHEET 5 AA 5 PHE A 70 GLU A 76 -1 N TYR A 71 O PHE A 83 SHEET 1 AB 3 GLY A 90 GLU A 91 0 SHEET 2 AB 3 LEU A 136 LEU A 138 -1 N LEU A 138 O GLY A 90 SHEET 3 AB 3 LEU A 144 ILE A 146 -1 O LYS A 145 N LEU A 137 SHEET 1 AC 2 ILE A 126 THR A 127 0 SHEET 2 AC 2 THR A 153 VAL A 154 -1 O THR A 153 N THR A 127 SHEET 1 AD 2 ARG A 156 TYR A 157 0 SHEET 2 AD 2 ARG A 160 GLU A 161 -1 O ARG A 160 N TYR A 157 CISPEP 1 ASN A 229 PRO A 230 0 2.48 SITE 1 AC1 9 ARG A 74 ARG A 75 LYS A 232 LYS A 233 SITE 2 AC1 9 ILE A 234 ASP A 235 HOH A2375 HOH A2431 SITE 3 AC1 9 HOH A2432 SITE 1 AC2 9 ASP A 10 VAL A 12 LYS A 54 ARG A 162 SITE 2 AC2 9 SO4 A1279 HOH A2112 HOH A2288 HOH A2433 SITE 3 AC2 9 HOH A2434 SITE 1 AC3 9 ASP A 94 ARG A 181 GLU A 183 HIS A 185 SITE 2 AC3 9 HOH A2325 HOH A2435 HOH A2436 HOH A2437 SITE 3 AC3 9 HOH A2438 SITE 1 AC4 6 GLU A 33 TYR A 71 LYS A 225 TYR A 227 SITE 2 AC4 6 HOH A2439 HOH A2441 SITE 1 AC5 6 ARG A 156 GLU A 161 GLU A 187 HOH A2293 SITE 2 AC5 6 HOH A2328 HOH A2442 SITE 1 AC6 4 PHE A 93 GLY A 204 GLU A 205 HOH A2443 SITE 1 AC7 7 ASP A 209 GLN A 210 SER A 212 SER A 214 SITE 2 AC7 7 CYS A 215 HOH A2351 HOH A2444 SITE 1 AC8 8 LEU A 15 ALA A 36 GLU A 85 TYR A 86 SITE 2 AC8 8 CYS A 87 GLY A 90 LEU A 137 HOH A2279 SITE 1 AC9 10 LYS A 54 ARG A 129 THR A 153 ARG A 162 SITE 2 AC9 10 LYS A 166 GOL A1272 HOH A2114 HOH A2446 SITE 3 AC9 10 HOH A2447 HOH A2448 CRYST1 41.352 70.770 104.327 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 0.024183 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014130 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009585 0.00000