HEADER TRANSFERASE 06-JUN-11 2YM4 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, SERINE/THREONINE KINASE 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 2YM4 1 REMARK REVDAT 2 28-JUN-17 2YM4 1 REMARK REVDAT 1 11-JAN-12 2YM4 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.J.CHEUNG,R.VAN MONTFORT, REMARK 1 AUTH 3 D.WILLIAMS,G.W.AHERNE,M.D.GARRETT,J.READER,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.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. 2.35 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) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.99 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 12851 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.206 REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 655 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 36.9922 - 4.0171 0.85 2342 111 0.1827 0.2174 REMARK 3 2 4.0171 - 3.1891 0.90 2407 123 0.1792 0.2169 REMARK 3 3 3.1891 - 2.7861 0.92 2449 144 0.2096 0.2549 REMARK 3 4 2.7861 - 2.5314 0.93 2489 137 0.2454 0.2838 REMARK 3 5 2.5314 - 2.3500 0.95 2509 140 0.3029 0.3643 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 : 0.39 REMARK 3 B_SOL : 41.99 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.380 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.800 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.62830 REMARK 3 B22 (A**2) : 1.73400 REMARK 3 B33 (A**2) : 3.89430 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.96820 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 : 0.003 2132 REMARK 3 ANGLE : 0.773 2884 REMARK 3 CHIRALITY : 0.054 309 REMARK 3 PLANARITY : 0.003 366 REMARK 3 DIHEDRAL : 17.999 812 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND (RESSEQ 4:21) REMARK 3 ORIGIN FOR THE GROUP (A): 10.9591 -2.7114 -0.8083 REMARK 3 T TENSOR REMARK 3 T11: 0.6392 T22: 0.8601 REMARK 3 T33: 0.4909 T12: 0.0073 REMARK 3 T13: -0.0064 T23: -0.0475 REMARK 3 L TENSOR REMARK 3 L11: 0.5769 L22: 0.6942 REMARK 3 L33: 0.7917 L12: -0.3776 REMARK 3 L13: 0.6636 L23: -0.3638 REMARK 3 S TENSOR REMARK 3 S11: 0.1773 S12: -0.2080 S13: -0.1304 REMARK 3 S21: 0.1053 S22: 0.0843 S23: -0.1845 REMARK 3 S31: 0.0683 S32: -0.3486 S33: -0.0923 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND (RESSEQ 22:103) REMARK 3 ORIGIN FOR THE GROUP (A): 12.2633 2.0238 10.1963 REMARK 3 T TENSOR REMARK 3 T11: 0.1764 T22: 0.2679 REMARK 3 T33: 0.1809 T12: -0.0119 REMARK 3 T13: -0.0225 T23: 0.0010 REMARK 3 L TENSOR REMARK 3 L11: -0.0347 L22: 0.1123 REMARK 3 L33: 0.2334 L12: -0.0048 REMARK 3 L13: -0.0359 L23: -0.0388 REMARK 3 S TENSOR REMARK 3 S11: -0.1186 S12: 0.1213 S13: -0.0100 REMARK 3 S21: -0.1635 S22: 0.0609 S23: -0.0385 REMARK 3 S31: 0.0305 S32: 0.0042 S33: 0.0089 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN A AND (RESSEQ 104:270) REMARK 3 ORIGIN FOR THE GROUP (A): 16.8676 5.3764 30.9001 REMARK 3 T TENSOR REMARK 3 T11: 0.0741 T22: 0.1659 REMARK 3 T33: 0.1967 T12: 0.0070 REMARK 3 T13: -0.0074 T23: 0.0096 REMARK 3 L TENSOR REMARK 3 L11: 0.3937 L22: 0.6315 REMARK 3 L33: 0.3158 L12: -0.0316 REMARK 3 L13: -0.3606 L23: -0.0912 REMARK 3 S TENSOR REMARK 3 S11: -0.0210 S12: -0.0868 S13: -0.0269 REMARK 3 S21: -0.0088 S22: -0.0464 S23: -0.0537 REMARK 3 S31: -0.0382 S32: 0.0186 S33: 0.0257 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUES 1-3, 41-50, 74-79, 271-289 ARE REMARK 3 DISORDERED REMARK 4 REMARK 4 2YM4 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_1290048555. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-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 : 12868 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 44.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.3 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : 0.11000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.52000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.500 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 (%): 58.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DL-MALIC ACID, PEG 3350. 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 32.95000 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 ASP A 41 REMARK 465 MET A 42 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 ARG A 74 REMARK 465 ARG A 75 REMARK 465 GLU A 76 REMARK 465 GLY A 77 REMARK 465 ASN A 78 REMARK 465 ILE A 79 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 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 PHE A 5 -0.89 87.18 REMARK 500 GLU A 17 -155.87 -95.46 REMARK 500 GLU A 32 15.70 58.68 REMARK 500 ASP A 99 -5.55 67.90 REMARK 500 ARG A 129 -11.80 81.59 REMARK 500 ARG A 129 -9.69 79.85 REMARK 500 ASP A 148 93.18 68.31 REMARK 500 ASN A 165 -12.60 -140.70 REMARK 500 LYS A 224 35.56 74.11 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 4YM 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 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: 2WMX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS 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: 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: 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: 1NVQ RELATED DB: PDB REMARK 900 THE COMPLEX STRUCTURE OF CHECKPOINT KINASE CHK1/UCN-01 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: 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: 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: 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: 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: 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: 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: 2YEX RELATED DB: PDB REMARK 900 SYNTHESIS AND EVALUATION OF TRIAZOLONES AS CHECKPOINT KINASE 1 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: 1IA8 RELATED DB: PDB REMARK 900 THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINTKINASE REMARK 900 CHK1 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: 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: 2WMV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS 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: 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: 2YM3 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 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: 2YM7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2YM6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS DBREF 2YM4 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 4YM A1271 30 HET EDO A1272 4 HET EDO A1273 4 HET EDO A1274 4 HETNAM 4YM ETHYL 4-[(2R)-2-(AMINOMETHYL)MORPHOLIN-4-YL]-3-(3- HETNAM 2 4YM CYANOPHENYL)-1H-PYRAZOLO[3,4-B]PYRIDINE-5-CARBOXYLATE HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 2 4YM C21 H22 N6 O3 FORMUL 3 EDO 3(C2 H6 O2) FORMUL 6 HOH *83(H2 O) HELIX 1 1 ASN A 51 LYS A 60 1 10 HELIX 2 2 PHE A 93 ILE A 96 5 4 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 PRO A 176 ARG A 181 1 6 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 GLY A 16 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 ILE A 39 -1 O VAL A 35 N ALA A 26 SHEET 4 AA 5 TYR A 81 GLU A 85 -1 O LEU A 82 N LYS A 38 SHEET 5 AA 5 PHE A 70 GLY A 72 -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 -0.45 SITE 1 AC1 13 LEU A 15 GLY A 16 ALA A 36 LYS A 38 SITE 2 AC1 13 GLU A 55 GLU A 85 TYR A 86 CYS A 87 SITE 3 AC1 13 GLU A 91 GLU A 134 LEU A 137 SER A 147 SITE 4 AC1 13 HOH A2004 SITE 1 AC2 2 LYS A 132 GLU A 134 SITE 1 AC3 4 ARG A 129 THR A 153 ASN A 165 LYS A 166 SITE 1 AC4 6 GLY A 123 GLY A 125 ARG A 156 TYR A 157 SITE 2 AC4 6 ASN A 158 ASN A 159 CRYST1 44.810 65.900 57.920 90.00 94.18 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 0.022316 0.000000 0.001631 0.00000 SCALE2 0.000000 0.015175 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017311 0.00000