PDB Short entry for 2WMX HEADER TRANSFERASE 03-JUL-09 2WMX 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_TAXID: 7108; SOURCE 7 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS SERINE/THREONINE-PROTEIN KINASE, POLYMORPHISM, PHOSPHOPROTEIN, UBL KEYWDS 2 CONJUGATION, ISOPEPTIDE BOND, CHECKPOINT KINASE, NUCLEOTIDE-BINDING, KEYWDS 3 SERINE/THREONINE KINASE, DNA DAMAGE, DNA REPAIR, ATP-BINDING, KEYWDS 4 TRANSFERASE, CHK1, KINASE, NUCLEUS, CYTOPLASM, CELL CYCLE EXPDTA X-RAY DIFFRACTION AUTHOR T.P.MATTHEWS,S.KLAIR,S.BURNS,K.BOXALL,M.CHERRY,M.FISHER,I.M.WESTWOOD, AUTHOR 2 M.I.WALTON,T.MCHARDY,K.-M.J.CHEUNG,R.VAN MONTFORT,D.WILLIAMS, AUTHOR 3 G.W.AHERNE,M.D.GARRETT,J.READER,I.COLLINS REVDAT 4 13-DEC-23 2WMX 1 REMARK REVDAT 3 28-JUN-17 2WMX 1 REMARK REVDAT 2 12-OCT-11 2WMX 1 JRNL REMARK FORMUL VERSN REVDAT 1 28-JUL-09 2WMX 0 JRNL AUTH T.P.MATTHEWS,S.KLAIR,S.BURNS,K.BOXALL,M.CHERRY,M.FISHER, JRNL AUTH 2 I.M.WESTWOOD,M.I.WALTON,T.MCHARDY,K.-M.J.CHEUNG, JRNL AUTH 3 R.VAN MONTFORT,D.WILLIAMS,G.W.AHERNE,M.D.GARRETT,J.READER, JRNL AUTH 4 I.COLLINS JRNL TITL IDENTIFICATION OF INHIBITORS OF CHECKPOINT KINASE 1 THROUGH JRNL TITL 2 TEMPLATE SCREENING. JRNL REF J.MED.CHEM. V. 52 4810 2009 JRNL REFN ISSN 0022-2623 JRNL PMID 19572549 JRNL DOI 10.1021/JM900314J REMARK 2 REMARK 2 RESOLUTION. 2.45 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 : MLHL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.86 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.860 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.4 REMARK 3 NUMBER OF REFLECTIONS : 21374 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1041 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 28.8644 - 4.6811 0.88 2864 167 0.1831 0.2258 REMARK 3 2 4.6811 - 3.7181 0.88 2856 161 0.1654 0.2020 REMARK 3 3 3.7181 - 3.2488 0.89 2936 128 0.2118 0.2136 REMARK 3 4 3.2488 - 2.9521 0.89 2940 156 0.2443 0.2712 REMARK 3 5 2.9521 - 2.7407 0.89 2931 130 0.2662 0.2939 REMARK 3 6 2.7407 - 2.5792 0.88 2938 128 0.2755 0.3109 REMARK 3 7 2.5792 - 2.4501 0.88 2868 171 0.2994 0.3405 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.36 REMARK 3 B_SOL : 49.95 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.400 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.220 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.92 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 53.23 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -13.68670 REMARK 3 B22 (A**2) : 7.35910 REMARK 3 B33 (A**2) : 6.32760 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -3.36720 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 : 0.008 2073 REMARK 3 ANGLE : 1.093 2811 REMARK 3 CHIRALITY : 0.064 306 REMARK 3 PLANARITY : 0.006 359 REMARK 3 DIHEDRAL : 18.931 763 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 7:35) REMARK 3 ORIGIN FOR THE GROUP (A): 13.0715 -1.6795 -1.8945 REMARK 3 T TENSOR REMARK 3 T11: 0.8024 T22: 1.3200 REMARK 3 T33: 0.5045 T12: 0.0122 REMARK 3 T13: -0.0298 T23: -0.1498 REMARK 3 L TENSOR REMARK 3 L11: 0.0545 L22: -0.0899 REMARK 3 L33: -0.0781 L12: 0.1597 REMARK 3 L13: -0.3182 L23: -0.4605 REMARK 3 S TENSOR REMARK 3 S11: 0.6240 S12: 1.3093 S13: 0.0063 REMARK 3 S21: -0.2977 S22: -0.2091 S23: 0.1486 REMARK 3 S31: 0.4138 S32: 0.1803 S33: -0.4861 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 36:123) REMARK 3 ORIGIN FOR THE GROUP (A): 13.4233 3.0675 15.5271 REMARK 3 T TENSOR REMARK 3 T11: 0.3278 T22: 0.4209 REMARK 3 T33: 0.1356 T12: -0.0375 REMARK 3 T13: -0.0145 T23: -0.0371 REMARK 3 L TENSOR REMARK 3 L11: 2.9874 L22: 1.9777 REMARK 3 L33: 0.3699 L12: 0.0626 REMARK 3 L13: -1.5100 L23: -0.5427 REMARK 3 S TENSOR REMARK 3 S11: -0.1827 S12: 0.9646 S13: 0.0835 REMARK 3 S21: -0.5056 S22: 0.0900 S23: 0.1049 REMARK 3 S31: 0.0799 S32: -0.2426 S33: 0.0416 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN A AND RESID 124:228) REMARK 3 ORIGIN FOR THE GROUP (A): 14.7435 0.1210 30.6306 REMARK 3 T TENSOR REMARK 3 T11: 0.2744 T22: 0.3384 REMARK 3 T33: 0.2799 T12: -0.0000 REMARK 3 T13: 0.0082 T23: -0.0035 REMARK 3 L TENSOR REMARK 3 L11: 1.8295 L22: 1.7319 REMARK 3 L33: -0.1194 L12: -0.0832 REMARK 3 L13: 0.4248 L23: -0.3353 REMARK 3 S TENSOR REMARK 3 S11: -0.0273 S12: -0.1722 S13: -0.0844 REMARK 3 S21: -0.0436 S22: -0.0329 S23: 0.0360 REMARK 3 S31: -0.0045 S32: -0.0041 S33: 0.0629 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN A AND RESID 229:269) REMARK 3 ORIGIN FOR THE GROUP (A): 22.9686 10.5890 35.2443 REMARK 3 T TENSOR REMARK 3 T11: 0.2410 T22: 0.3022 REMARK 3 T33: 0.2253 T12: -0.0007 REMARK 3 T13: 0.0158 T23: -0.0005 REMARK 3 L TENSOR REMARK 3 L11: 1.9222 L22: 1.4293 REMARK 3 L33: 1.6382 L12: -1.3360 REMARK 3 L13: -0.5350 L23: 0.1234 REMARK 3 S TENSOR REMARK 3 S11: 0.1038 S12: -0.4819 S13: 0.2626 REMARK 3 S21: 0.3035 S22: -0.1095 S23: -0.1602 REMARK 3 S31: -0.1858 S32: -0.0126 S33: 0.0272 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2WMX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-JUL-09. REMARK 100 THE DEPOSITION ID IS D_1290040262. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : 12030 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 REMARK 200 RESOLUTION RANGE LOW (A) : 28.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.40000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 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 2HY0 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): 3.00 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 32.78500 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: PQS 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 GLU A 17 REMARK 465 GLY A 18 REMARK 465 ALA A 19 REMARK 465 TYR A 20 REMARK 465 GLY A 21 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 GLY A 77 REMARK 465 ASN A 78 REMARK 465 LYS A 270 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 LYS A 60 CG CD CE NZ REMARK 470 ARG A 74 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 75 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 76 CG CD OE1 OE2 REMARK 470 ILE A 79 CG1 CG2 CD1 REMARK 470 ARG A 162 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NH2 ARG A 95 OD1 ASP A 142 2.05 REMARK 500 OD1 ASP A 94 O HOH A 2005 2.09 REMARK 500 REMARK 500 REMARK: NULL 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 99 -8.50 65.15 REMARK 500 ARG A 129 -3.91 76.58 REMARK 500 ASP A 130 46.12 -146.20 REMARK 500 ASP A 148 89.37 76.37 REMARK 500 ASN A 165 -4.33 -147.33 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 ZY6 A 1270 REMARK 900 REMARK 900 RELATED ENTRIES 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: 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: 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: 2CGV RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING 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: 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: 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: 2AYP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHK1 WITH AN INDOL INHIBITOR 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: 2CGU RELATED DB: PDB REMARK 900 IDENTIFICATION OF CHEMICALLY DIVERSE CHK1 INHIBITORS BY RECEPTOR- REMARK 900 BASED VIRTUAL SCREENING 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: 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: 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: 2WMQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS 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: 2WMT 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: 2WMV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS REMARK 900 RELATED ID: 2WMW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 1 (CHK1) IN COMPLEX WITH REMARK 900 INHIBITORS DBREF 2WMX 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 ZY6 A1270 23 HETNAM ZY6 1-[(2S)-4-(5-PHENYL-1H-PYRAZOLO[3,4-B]PYRIDIN-4-YL) HETNAM 2 ZY6 MORPHOLIN-2-YL]METHANAMINE FORMUL 2 ZY6 C17 H19 N5 O FORMUL 3 HOH *60(H2 O) HELIX 1 1 ASN A 51 LEU A 62 1 12 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 PRO A 176 ARG A 181 1 6 HELIX 6 6 ALA A 186 GLY A 204 1 19 HELIX 7 7 CYS A 215 GLU A 223 1 9 HELIX 8 8 PRO A 230 ILE A 234 5 5 HELIX 9 9 ASP A 235 LEU A 246 1 12 HELIX 10 10 THR A 255 LYS A 260 1 6 SHEET 1 AA 5 TRP A 9 THR A 14 0 SHEET 2 AA 5 VAL A 23 ASN A 28 -1 O LEU A 25 N VAL A 12 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 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 -4.10 SITE 1 AC1 8 LEU A 15 VAL A 23 ALA A 36 GLU A 85 SITE 2 AC1 8 CYS A 87 GLU A 91 GLU A 134 LEU A 137 CRYST1 44.870 65.570 57.850 90.00 93.77 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 0.022287 0.000000 0.001469 0.00000 SCALE2 0.000000 0.015251 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017324 0.00000