HEADER TRANSFERASE 06-JUN-11 2YM6 TITLE CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH TITLE 2 INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE CHK1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: KINASE DOMAIN, RESIDUES 1-289; COMPND 5 SYNONYM: CHECKPOINT KINASE 1; 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_CELL_LINE: SF9 KEYWDS TRANSFERASE, DNA REPAIR, CELL CYCLE EXPDTA X-RAY DIFFRACTION AUTHOR J.C.READER,T.P.MATTHEWS,S.KLAIR,K.M.J.CHEUNG,J.SCANLON,N.PROISY, AUTHOR 2 G.ADDISON,J.ELLARD,N.PITON,S.TAYLOR,M.CHERRY,M.FISHER,K.BOXALL, AUTHOR 3 S.BURNS,M.I.WALTON,I.M.WESTWOOD,A.HAYES,P.EVE,M.VALENTI,A.H.BRANDON, AUTHOR 4 G.BOX,R.L.M.VANMONTFORT,D.H.WILLIAMS,G.W.AHERNE,F.I.RAYNAUD, AUTHOR 5 S.A.ECCLES,M.D.GARRETT,I.COLLINS REVDAT 3 20-DEC-23 2YM6 1 REMARK REVDAT 2 28-JUN-17 2YM6 1 REMARK REVDAT 1 11-JAN-12 2YM6 0 JRNL AUTH J.C.READER,T.P.MATTHEWS,S.KLAIR,K.M.J.CHEUNG,J.SCANLON, JRNL AUTH 2 N.PROISY,G.ADDISON,J.ELLARD,N.PITON,S.TAYLOR,M.CHERRY, JRNL AUTH 3 M.FISHER,K.BOXALL,S.BURNS,M.I.WALTON,I.M.WESTWOOD,A.HAYES, JRNL AUTH 4 P.EVE,M.VALENTI,A.DE HAVEN BRANDON,G.BOX,R.L.M.VAN MONTFORT, JRNL AUTH 5 D.H.WILLIAMS,G.W.AHERNE,F.I.RAYNAUD,S.A.ECCLES,M.D.GARRETT, JRNL AUTH 6 I.COLLINS JRNL TITL STRUCTURE-GUIDED EVOLUTION OF POTENT AND SELECTIVE CHK1 JRNL TITL 2 INHIBITORS THROUGH SCAFFOLD MORPHING. JRNL REF J.MED.CHEM. V. 54 8328 2011 JRNL REFN ISSN 0022-2623 JRNL PMID 22111927 JRNL DOI 10.1021/JM2007326 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.P.MATTHEWS,S.KLAIR,S.BURNS,K.BOXALL,M.CHERRY,M.FISHER, REMARK 1 AUTH 2 I.M.WESTWOOD,M.I.WALTON,T.MCHARDY,K.-M.J.CHEUNG, REMARK 1 AUTH 3 R.VAN MONTFORT,D.WILLIAMS,G.W.AHERNE,M.D.GARRETT,J.READER, REMARK 1 AUTH 4 I.COLLINS REMARK 1 TITL IDENTIFICATION OF INHIBITORS OF CHECKPOINT KINASE 1 THROUGH REMARK 1 TITL 2 TEMPLATE SCREENING REMARK 1 REF J.MED.CHEM. V. 52 4810 2009 REMARK 1 REFN ISSN 0022-2623 REMARK 1 PMID 19572549 REMARK 1 DOI 10.1021/JM900314J REMARK 1 REFERENCE 2 REMARK 1 AUTH T.P.MATTHEWS,T.MCHARDY,S.KLAIR,K.BOXALL,M.FISHER,M.CHERRY, REMARK 1 AUTH 2 C.E.ALLEN,G.J.ADDISON,J.ELLARD,G.W.AHERNE,I.M.WESTWOOD, REMARK 1 AUTH 3 R.L.M.VAN MONTFORT,M.D.GARRETT,J.C.READER,I.COLLINS REMARK 1 TITL DESIGN AND EVALUATION OF 3,6-DI(HETERO)ARYL REMARK 1 TITL 2 IMIDAZO(1,2-A)PYRAZINES AS INHIBITORS OF CHECKPOINT AND REMARK 1 TITL 3 OTHER KINASES REMARK 1 REF BIOORG.MED.CHEM.LETT. V. 20 4045 2010 REMARK 1 REFN ISSN 0960-894X REMARK 1 PMID 20561787 REMARK 1 DOI 10.1016/J.BMCL.2010.05.096 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.14 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 22125 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.182 REMARK 3 R VALUE (WORKING SET) : 0.180 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1123 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 37.1472 - 4.0106 0.91 2505 144 0.1770 0.2105 REMARK 3 2 4.0106 - 3.1839 0.95 2560 154 0.1656 0.2266 REMARK 3 3 3.1839 - 2.7816 0.97 2599 160 0.1683 0.2062 REMARK 3 4 2.7816 - 2.5273 0.97 2637 128 0.1692 0.2079 REMARK 3 5 2.5273 - 2.3462 0.98 2670 141 0.1771 0.2157 REMARK 3 6 2.3462 - 2.2079 0.99 2693 122 0.1756 0.2359 REMARK 3 7 2.2079 - 2.0973 0.99 2663 138 0.2162 0.2342 REMARK 3 8 2.0973 - 2.0060 0.99 2675 136 0.2689 0.3124 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.83 REMARK 3 K_SOL : 0.41 REMARK 3 B_SOL : 51.10 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.280 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.670 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.07 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.90330 REMARK 3 B22 (A**2) : 2.08370 REMARK 3 B33 (A**2) : 4.81960 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.25170 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2146 REMARK 3 ANGLE : 1.008 2897 REMARK 3 CHIRALITY : 0.065 310 REMARK 3 PLANARITY : 0.007 369 REMARK 3 DIHEDRAL : 12.932 812 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND (RESSEQ 7:52) REMARK 3 ORIGIN FOR THE GROUP (A): 11.1994 -3.0358 1.9390 REMARK 3 T TENSOR REMARK 3 T11: 0.6034 T22: 0.6363 REMARK 3 T33: 0.2375 T12: -0.0390 REMARK 3 T13: -0.0414 T23: -0.0784 REMARK 3 L TENSOR REMARK 3 L11: 0.5544 L22: 0.3249 REMARK 3 L33: 0.6846 L12: -0.0527 REMARK 3 L13: -0.2714 L23: -0.3943 REMARK 3 S TENSOR REMARK 3 S11: 0.1829 S12: 0.0221 S13: -0.0878 REMARK 3 S21: 0.2823 S22: -0.0655 S23: 0.0514 REMARK 3 S31: 0.1785 S32: -0.1855 S33: 0.0137 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND (RESSEQ 53:270) REMARK 3 ORIGIN FOR THE GROUP (A): 15.8467 4.5900 26.7989 REMARK 3 T TENSOR REMARK 3 T11: 0.0922 T22: 0.0735 REMARK 3 T33: 0.0894 T12: 0.0065 REMARK 3 T13: -0.0004 T23: 0.0072 REMARK 3 L TENSOR REMARK 3 L11: 1.2265 L22: 1.2812 REMARK 3 L33: 0.9302 L12: 0.0446 REMARK 3 L13: -0.3977 L23: -0.0537 REMARK 3 S TENSOR REMARK 3 S11: -0.0365 S12: 0.0326 S13: -0.0702 REMARK 3 S21: -0.0947 S22: -0.0346 S23: 0.0241 REMARK 3 S31: 0.0498 S32: -0.0698 S33: 0.0209 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUES 1-6, 43-51, 77, 78, 271- -289 REMARK 3 ARE DISORDERED REMARK 4 REMARK 4 2YM6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-JUN-11. REMARK 100 THE DEPOSITION ID IS D_1290048552. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-AUG-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22144 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 44.950 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.41000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 2WMW REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DL-MALIC ACID/PEG3350 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 32.96500 REMARK 290 SMTRY3 2 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 ALA A 2 REMARK 465 VAL A 3 REMARK 465 PRO A 4 REMARK 465 PHE A 5 REMARK 465 VAL A 6 REMARK 465 LYS A 43 REMARK 465 ARG A 44 REMARK 465 ALA A 45 REMARK 465 VAL A 46 REMARK 465 ASP A 47 REMARK 465 CYS A 48 REMARK 465 PRO A 49 REMARK 465 GLU A 50 REMARK 465 ASN A 51 REMARK 465 GLY A 77 REMARK 465 ASN A 78 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 465 ARG A 277 REMARK 465 VAL A 278 REMARK 465 THR A 279 REMARK 465 SER A 280 REMARK 465 GLY A 281 REMARK 465 GLY A 282 REMARK 465 VAL A 283 REMARK 465 SER A 284 REMARK 465 GLU A 285 REMARK 465 SER A 286 REMARK 465 PRO A 287 REMARK 465 SER A 288 REMARK 465 GLY A 289 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 GLU A 17 CG CD OE1 OE2 REMARK 470 TYR A 20 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS A 232 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 ASN A 63 89.47 -150.38 REMARK 500 ASP A 99 -0.78 65.84 REMARK 500 ARG A 129 -2.96 77.01 REMARK 500 ASP A 130 47.53 -149.98 REMARK 500 ASP A 148 92.10 71.75 REMARK 500 ASN A 165 -8.74 -141.30 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 YM6 A 1271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1272 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1273 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1274 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1275 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1276 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2XF0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2BRB RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 2X8D RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS CHECKPOINT KINASE REMARK 900 INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2WMR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2CGV RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2BRN RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 2YER RELATED DB: PDB REMARK 900 SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT KINASE 1 REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2AYP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHK1 WITH AN INDOL INHIBITOR REMARK 900 RELATED ID: 2WMX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2CGU RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 1NVS RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/SB218078 REMARK 900 RELATED ID: 2BRM RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 1NVQ RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/UCN-01 REMARK 900 RELATED ID: 2YDJ RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY STRUCTURE BASED REMARK 900 DESIGN AND OPTIMIZATION OF THIOPHENE CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2YM5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2WMT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YDI RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY STRUCTURE BASED REMARK 900 DESIGN AND OPTIMIZATION OF THIOPHENE CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2CGX RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2BRO RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 2C3J RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND SELECTIVE REMARK 900 INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 2WMW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2WMU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2X8E RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS CHECKPOINT KINASE REMARK 900 INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2BRH RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 2C3K RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND SELECTIVE REMARK 900 INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 1NVR RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASECHK1/ STAUROSPORINE REMARK 900 RELATED ID: 2WMQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 1ZLT RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHK1 COMPLEXED WITH A HYMENALDISINEANALOG REMARK 900 RELATED ID: 2CGW RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING REMARK 900 RELATED ID: 2YM4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YEX RELATED DB: PDB REMARK 900 SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT KINASE 1 REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YM3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2XEZ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 1ZYS RELATED DB: PDB REMARK 900 CO-CRYSTAL STRUCTURE OF CHECKPOINT KINASE CHK1 WITH APYRROLO- REMARK 900 PYRIDINE INHIBITOR REMARK 900 RELATED ID: 2BR1 RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 1IA8 RELATED DB: PDB REMARK 900 THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINTKINASE REMARK 900 CHK1 REMARK 900 RELATED ID: 2BRG RELATED DB: PDB REMARK 900 STRUCTURE-BASED DESIGN OF NOVEL CHK1 INHIBITORS: INSIGHTS INTO REMARK 900 HYDROGEN BONDING AND PROTEIN-LIGAND AFFINITY REMARK 900 RELATED ID: 2YDK RELATED DB: PDB REMARK 900 DISCOVERY OF CHECKPOINT KINASE INHIBITOR AZD7762 BY STRUCTURE BASED REMARK 900 DESIGN AND OPTIMIZATION OF THIOPHENE CARBOXAMIDE UREAS REMARK 900 RELATED ID: 2WMS RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2WMV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2C3L RELATED DB: PDB REMARK 900 IDENTIFICATION OF A BURIED POCKET FOR POTENT AND SELECTIVE REMARK 900 INHIBITION OF CHK1: PREDICTION AND VERIFICATION REMARK 900 RELATED ID: 2X8I RELATED DB: PDB REMARK 900 DISCOVERY OF A NOVEL CLASS OF TRIAZOLONES AS CHECKPOINT KINASE REMARK 900 INHIBITORS - HIT TO LEAD EXPLORATION REMARK 900 RELATED ID: 2XEY RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YM7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YM8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS DBREF 2YM6 A 1 289 UNP O14757 CHK1_HUMAN 1 289 SEQRES 1 A 289 MET ALA VAL PRO PHE VAL GLU ASP TRP ASP LEU VAL GLN SEQRES 2 A 289 THR LEU GLY GLU GLY ALA TYR GLY GLU VAL GLN LEU ALA SEQRES 3 A 289 VAL ASN ARG VAL THR GLU GLU ALA VAL ALA VAL LYS ILE SEQRES 4 A 289 VAL ASP MET LYS ARG ALA VAL ASP CYS PRO GLU ASN ILE SEQRES 5 A 289 LYS LYS GLU ILE CYS ILE ASN LYS MET LEU ASN HIS GLU SEQRES 6 A 289 ASN VAL VAL LYS PHE TYR GLY HIS ARG ARG GLU GLY ASN SEQRES 7 A 289 ILE GLN TYR LEU PHE LEU GLU TYR CYS SER GLY GLY GLU SEQRES 8 A 289 LEU PHE ASP ARG ILE GLU PRO ASP ILE GLY MET PRO GLU SEQRES 9 A 289 PRO ASP ALA GLN ARG PHE PHE HIS GLN LEU MET ALA GLY SEQRES 10 A 289 VAL VAL TYR LEU HIS GLY ILE GLY ILE THR HIS ARG ASP SEQRES 11 A 289 ILE LYS PRO GLU ASN LEU LEU LEU ASP GLU ARG ASP ASN SEQRES 12 A 289 LEU LYS ILE SER ASP PHE GLY LEU ALA THR VAL PHE ARG SEQRES 13 A 289 TYR ASN ASN ARG GLU ARG LEU LEU ASN LYS MET CYS GLY SEQRES 14 A 289 THR LEU PRO TYR VAL ALA PRO GLU LEU LEU LYS ARG ARG SEQRES 15 A 289 GLU PHE HIS ALA GLU PRO VAL ASP VAL TRP SER CYS GLY SEQRES 16 A 289 ILE VAL LEU THR ALA MET LEU ALA GLY GLU LEU PRO TRP SEQRES 17 A 289 ASP GLN PRO SER ASP SER CYS GLN GLU TYR SER ASP TRP SEQRES 18 A 289 LYS GLU LYS LYS THR TYR LEU ASN PRO TRP LYS LYS ILE SEQRES 19 A 289 ASP SER ALA PRO LEU ALA LEU LEU HIS LYS ILE LEU VAL SEQRES 20 A 289 GLU ASN PRO SER ALA ARG ILE THR ILE PRO ASP ILE LYS SEQRES 21 A 289 LYS ASP ARG TRP TYR ASN LYS PRO LEU LYS LYS GLY ALA SEQRES 22 A 289 LYS ARG PRO ARG VAL THR SER GLY GLY VAL SER GLU SER SEQRES 23 A 289 PRO SER GLY HET YM6 A1271 21 HET EDO A1272 4 HET EDO A1273 4 HET EDO A1274 4 HET EDO A1275 4 HET EDO A1276 4 HETNAM YM6 1-[(2R)-4-(9H-PYRIDO[4',3':4,5]PYRROLO[2,3-D]PYRIMIDIN- HETNAM 2 YM6 4-YL)MORPHOLIN-2-YL]METHANAMINE HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 2 YM6 C14 H16 N6 O FORMUL 3 EDO 5(C2 H6 O2) FORMUL 8 HOH *184(H2 O) HELIX 1 1 ILE A 52 LEU A 62 1 11 HELIX 2 2 LEU A 92 ILE A 96 5 5 HELIX 3 3 PRO A 103 ILE A 124 1 22 HELIX 4 4 LYS A 132 GLU A 134 5 3 HELIX 5 5 THR A 170 VAL A 174 5 5 HELIX 6 6 ALA A 175 ARG A 181 1 7 HELIX 7 7 HIS A 185 GLY A 204 1 20 HELIX 8 8 CYS A 215 GLU A 223 1 9 HELIX 9 9 PRO A 230 ILE A 234 5 5 HELIX 10 10 ASP A 235 LEU A 246 1 12 HELIX 11 11 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 VAL A 40 -1 O VAL A 35 N ALA A 26 SHEET 4 AA 5 GLN A 80 GLU A 85 -1 O GLN A 80 N VAL A 40 SHEET 5 AA 5 PHE A 70 ARG A 75 -1 N TYR A 71 O PHE A 83 SHEET 1 AB 2 ILE A 126 THR A 127 0 SHEET 2 AB 2 THR A 153 VAL A 154 -1 O THR A 153 N THR A 127 SHEET 1 AC 2 LEU A 136 LEU A 138 0 SHEET 2 AC 2 LEU A 144 ILE A 146 -1 O LYS A 145 N LEU A 137 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 5.95 SITE 1 AC1 12 LEU A 15 GLY A 16 ALA A 36 VAL A 68 SITE 2 AC1 12 LEU A 84 GLU A 85 CYS A 87 GLU A 91 SITE 3 AC1 12 GLU A 134 LEU A 137 HOH A2090 HOH A2181 SITE 1 AC2 4 LEU A 206 ASP A 209 EDO A1276 HOH A2136 SITE 1 AC3 3 ARG A 29 HIS A 185 HOH A2128 SITE 1 AC4 5 LYS A 132 THR A 170 HOH A2085 HOH A2182 SITE 2 AC4 5 HOH A2183 SITE 1 AC5 5 TRP A 221 LYS A 224 HIS A 243 LEU A 246 SITE 2 AC5 5 HOH A2184 SITE 1 AC6 6 GLU A 205 LEU A 206 PRO A 207 GLU A 217 SITE 2 AC6 6 ASN A 229 EDO A1272 CRYST1 45.060 65.930 58.150 90.00 93.96 90.00 P 1 21 1 2 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 0.022193 0.000000 0.001536 0.00000 SCALE2 0.000000 0.015168 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017238 0.00000