HEADER TRANSFERASE 03-DEC-15 5F4N TITLE MULTI-PARAMETER LEAD OPTIMIZATION TO GIVE AN ORAL CHK1 INHIBITOR TITLE 2 CLINICAL CANDIDATE: (R)-5-((4-((MORPHOLIN-2-YLMETHYL)AMINO)-5- TITLE 3 (TRIFLUOROMETHYL)PYRIDIN-2-YL)AMINO)PYRAZINE-2-CARBONITRILE TITLE 4 (CCT245737) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE CHK1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHK1 CHECKPOINT HOMOLOG,CELL CYCLE CHECKPOINT KINASE, COMPND 5 CHECKPOINT KINASE-1; COMPND 6 EC: 2.7.11.1; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: METHYL 6-[(5-CYANOPYRAZIN-2-YL)AMINO]-4-[(MORPHOLIN-2- COMPND 9 YLMETHYL)AMINO]PYRIDINE-3-CARBOXYLATE SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_COMMON: HUMAN; SOURCE 5 ORGANISM_TAXID: 9606 KEYWDS INHIBITOR DNA-DAMAGE CHK1-POTENCY HERG-ACTIVITY, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.COLLINS,M.D.GARRETT,R.VAN MONTFORT,J.D.OSBORNE,T.P.MATTHEWS, AUTHOR 2 T.MCHARDY,N.PROISY,K.J.CHEUNG,M.LAINCHBURY,N.BROWN,M.I.WALTON, AUTHOR 3 P.D.EVE,K.J.BOXALL,A.HAYES,A.T.HENLEY,M.R.VALENTI,A.K.DE HAVEN AUTHOR 4 BRANDON,G.BOX,I.M.WESTWOOD,Y.JAMIN,S.P.ROBINSON,P.LEONARD, AUTHOR 5 J.C.READER,G.W.AHERNE,F.I.RAYNAUD,S.A.ECCLES REVDAT 3 08-MAY-24 5F4N 1 REMARK REVDAT 2 22-JUN-16 5F4N 1 JRNL REVDAT 1 25-MAY-16 5F4N 0 JRNL AUTH J.D.OSBORNE,T.P.MATTHEWS,T.MCHARDY,N.PROISY,K.M.CHEUNG, JRNL AUTH 2 M.LAINCHBURY,N.BROWN,M.I.WALTON,P.D.EVE,K.J.BOXALL,A.HAYES, JRNL AUTH 3 A.T.HENLEY,M.R.VALENTI,A.K.DE HAVEN BRANDON,G.BOX,Y.JAMIN, JRNL AUTH 4 S.P.ROBINSON,I.M.WESTWOOD,R.L.VAN MONTFORT,P.M.LEONARD, JRNL AUTH 5 M.B.LAMERS,J.C.READER,G.W.AHERNE,F.I.RAYNAUD,S.A.ECCLES, JRNL AUTH 6 M.D.GARRETT,I.COLLINS JRNL TITL MULTIPARAMETER LEAD OPTIMIZATION TO GIVE AN ORAL CHECKPOINT JRNL TITL 2 KINASE 1 (CHK1) INHIBITOR CLINICAL CANDIDATE: JRNL TITL 3 (R)-5-((4-((MORPHOLIN-2-YLMETHYL)AMINO)-5-(TRIFLUOROMETHYL) JRNL TITL 4 PYRIDIN-2-YL)AMINO)PYRAZINE-2-CARBONITRILE (CCT245737). JRNL REF J.MED.CHEM. V. 59 5221 2016 JRNL REFN ISSN 0022-2623 JRNL PMID 27167172 JRNL DOI 10.1021/ACS.JMEDCHEM.5B01938 REMARK 2 REMARK 2 RESOLUTION. 1.91 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.2 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.54 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.2 REMARK 3 NUMBER OF REFLECTIONS : 21580 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) : 0.151 REMARK 3 R VALUE (WORKING SET) : 0.149 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.820 REMARK 3 FREE R VALUE TEST SET COUNT : 1040 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 11 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.91 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.00 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 28.12 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 979 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.1986 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 934 REMARK 3 BIN R VALUE (WORKING SET) : 0.1985 REMARK 3 BIN FREE R VALUE : 0.2001 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 45 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2027 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 313 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.35 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.46170 REMARK 3 B22 (A**2) : -2.14970 REMARK 3 B33 (A**2) : 1.68790 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.12190 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.179 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.152 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.135 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.138 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.129 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.936 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2186 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2961 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 748 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 51 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 347 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2186 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 272 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : 7 ; 1.000 ; HARMONIC REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2834 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.98 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.11 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 15.13 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: {A|3 - 61} REMARK 3 ORIGIN FOR THE GROUP (A): 9.0710 -2.4287 4.0277 REMARK 3 T TENSOR REMARK 3 T11: 0.0652 T22: 0.0689 REMARK 3 T33: -0.1068 T12: -0.0669 REMARK 3 T13: -0.0195 T23: -0.0474 REMARK 3 L TENSOR REMARK 3 L11: 0.1593 L22: 0.0000 REMARK 3 L33: 3.9388 L12: -1.3602 REMARK 3 L13: -0.7999 L23: 1.3167 REMARK 3 S TENSOR REMARK 3 S11: -0.0051 S12: 0.2717 S13: -0.0037 REMARK 3 S21: -0.0360 S22: -0.0144 S23: 0.2454 REMARK 3 S31: 0.4425 S32: -0.2188 S33: 0.0195 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: {A|62 - 255} REMARK 3 ORIGIN FOR THE GROUP (A): 15.6060 2.5062 27.0182 REMARK 3 T TENSOR REMARK 3 T11: -0.0781 T22: -0.1050 REMARK 3 T33: -0.0689 T12: 0.0108 REMARK 3 T13: 0.0006 T23: 0.0019 REMARK 3 L TENSOR REMARK 3 L11: 2.4774 L22: 1.3901 REMARK 3 L33: 1.1065 L12: 0.4655 REMARK 3 L13: -0.3601 L23: -0.0481 REMARK 3 S TENSOR REMARK 3 S11: -0.0583 S12: 0.0095 S13: -0.1119 REMARK 3 S21: -0.0772 S22: -0.0054 S23: -0.0388 REMARK 3 S31: 0.0506 S32: -0.0346 S33: 0.0636 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: {A|256 - 271} REMARK 3 ORIGIN FOR THE GROUP (A): 22.4617 17.8610 30.3574 REMARK 3 T TENSOR REMARK 3 T11: -0.0414 T22: -0.0684 REMARK 3 T33: 0.0571 T12: 0.0160 REMARK 3 T13: -0.0017 T23: -0.0185 REMARK 3 L TENSOR REMARK 3 L11: -0.0737 L22: 4.9768 REMARK 3 L33: 1.4967 L12: 2.4706 REMARK 3 L13: 0.3879 L23: -1.8631 REMARK 3 S TENSOR REMARK 3 S11: -0.0226 S12: -0.0137 S13: 0.3652 REMARK 3 S21: 0.0982 S22: -0.1673 S23: -0.1212 REMARK 3 S31: -0.1214 S32: -0.0505 S33: 0.1899 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5F4N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-DEC-15. REMARK 100 THE DEPOSITION ID IS D_1000215990. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JAN-08 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) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21594 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.910 REMARK 200 RESOLUTION RANGE LOW (A) : 26.540 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.4 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350 DL-MALIC ACID, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 291.15K 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 32.93500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1220 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 10.0 KCAL/MOL 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 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 GLY A 272 REMARK 465 ALA A 273 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 7 CG CD OE1 OE2 REMARK 470 ASP A 8 CG OD1 OD2 REMARK 470 GLU A 17 CG CD OE1 OE2 REMARK 470 TYR A 20 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 22 CG CD OE1 OE2 REMARK 470 GLN A 24 CD OE1 NE2 REMARK 470 ASP A 41 CG OD1 OD2 REMARK 470 ASN A 51 CG OD1 ND2 REMARK 470 LYS A 53 CG CD CE NZ REMARK 470 LYS A 60 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 ASN A 78 CG OD1 ND2 REMARK 470 ILE A 79 CG1 CG2 CD1 REMARK 470 ARG A 141 NE CZ NH1 NH2 REMARK 470 LYS A 166 CG CD CE NZ REMARK 470 LYS A 180 CD CE NZ REMARK 470 LYS A 232 CD CE NZ REMARK 470 LYS A 271 CG 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 88.53 -154.46 REMARK 500 ASP A 99 -1.21 71.33 REMARK 500 ARG A 129 -3.12 72.96 REMARK 500 ASP A 130 48.19 -148.52 REMARK 500 ASP A 130 48.19 -148.50 REMARK 500 ASP A 148 104.21 63.44 REMARK 500 ASN A 165 -15.49 -141.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 5UY A 302 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 5UY A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 5UY A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 305 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 306 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 307 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 308 DBREF 5F4N A 1 273 UNP O14757 CHK1_HUMAN 1 273 SEQRES 1 A 273 MET ALA VAL PRO PHE VAL GLU ASP TRP ASP LEU VAL GLN SEQRES 2 A 273 THR LEU GLY GLU GLY ALA TYR GLY GLU VAL GLN LEU ALA SEQRES 3 A 273 VAL ASN ARG VAL THR GLU GLU ALA VAL ALA VAL LYS ILE SEQRES 4 A 273 VAL ASP MET LYS ARG ALA VAL ASP CYS PRO GLU ASN ILE SEQRES 5 A 273 LYS LYS GLU ILE CYS ILE ASN LYS MET LEU ASN HIS GLU SEQRES 6 A 273 ASN VAL VAL LYS PHE TYR GLY HIS ARG ARG GLU GLY ASN SEQRES 7 A 273 ILE GLN TYR LEU PHE LEU GLU TYR CYS SER GLY GLY GLU SEQRES 8 A 273 LEU PHE ASP ARG ILE GLU PRO ASP ILE GLY MET PRO GLU SEQRES 9 A 273 PRO ASP ALA GLN ARG PHE PHE HIS GLN LEU MET ALA GLY SEQRES 10 A 273 VAL VAL TYR LEU HIS GLY ILE GLY ILE THR HIS ARG ASP SEQRES 11 A 273 ILE LYS PRO GLU ASN LEU LEU LEU ASP GLU ARG ASP ASN SEQRES 12 A 273 LEU LYS ILE SER ASP PHE GLY LEU ALA THR VAL PHE ARG SEQRES 13 A 273 TYR ASN ASN ARG GLU ARG LEU LEU ASN LYS MET CYS GLY SEQRES 14 A 273 THR LEU PRO TYR VAL ALA PRO GLU LEU LEU LYS ARG ARG SEQRES 15 A 273 GLU PHE HIS ALA GLU PRO VAL ASP VAL TRP SER CYS GLY SEQRES 16 A 273 ILE VAL LEU THR ALA MET LEU ALA GLY GLU LEU PRO TRP SEQRES 17 A 273 ASP GLN PRO SER ASP SER CYS GLN GLU TYR SER ASP TRP SEQRES 18 A 273 LYS GLU LYS LYS THR TYR LEU ASN PRO TRP LYS LYS ILE SEQRES 19 A 273 ASP SER ALA PRO LEU ALA LEU LEU HIS LYS ILE LEU VAL SEQRES 20 A 273 GLU ASN PRO SER ALA ARG ILE THR ILE PRO ASP ILE LYS SEQRES 21 A 273 LYS ASP ARG TRP TYR ASN LYS PRO LEU LYS LYS GLY ALA HET 5UY A 301 27 HET 5UY A 302 17 HET EDO A 303 4 HET EDO A 304 4 HET EDO A 305 4 HET EDO A 306 4 HET GOL A 307 6 HET GOL A 308 6 HETNAM 5UY METHYL 6-[(5-CYANOPYRAZIN-2-YL)AMINO]-4-[[(2~{R})- HETNAM 2 5UY MORPHOLIN-2-YL]METHYLAMINO]PYRIDINE-3-CARBOXYLATE HETNAM EDO 1,2-ETHANEDIOL HETNAM GOL GLYCEROL HETSYN EDO ETHYLENE GLYCOL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 5UY 2(C17 H19 N7 O3) FORMUL 4 EDO 4(C2 H6 O2) FORMUL 8 GOL 2(C3 H8 O3) FORMUL 10 HOH *313(H2 O) HELIX 1 AA1 ILE A 52 LEU A 62 1 11 HELIX 2 AA2 PHE A 93 ILE A 96 5 4 HELIX 3 AA3 PRO A 103 ILE A 124 1 22 HELIX 4 AA4 LYS A 132 GLU A 134 5 3 HELIX 5 AA5 THR A 170 VAL A 174 5 5 HELIX 6 AA6 ALA A 175 ARG A 181 1 7 HELIX 7 AA7 HIS A 185 GLY A 204 1 20 HELIX 8 AA8 CYS A 215 GLU A 223 1 9 HELIX 9 AA9 PRO A 230 ILE A 234 5 5 HELIX 10 AB1 ASP A 235 LEU A 246 1 12 HELIX 11 AB2 THR A 255 LYS A 260 1 6 SHEET 1 AA1 5 TRP A 9 GLU A 17 0 SHEET 2 AA1 5 GLU A 22 ASN A 28 -1 O VAL A 27 N ASP A 10 SHEET 3 AA1 5 ALA A 34 VAL A 40 -1 O VAL A 37 N GLN A 24 SHEET 4 AA1 5 ILE A 79 LEU A 84 -1 O LEU A 84 N ALA A 36 SHEET 5 AA1 5 PHE A 70 GLU A 76 -1 N ARG A 74 O TYR A 81 SHEET 1 AA2 3 GLY A 90 GLU A 91 0 SHEET 2 AA2 3 LEU A 136 LEU A 138 -1 O LEU A 138 N GLY A 90 SHEET 3 AA2 3 LEU A 144 ILE A 146 -1 O LYS A 145 N LEU A 137 SHEET 1 AA3 2 ILE A 126 THR A 127 0 SHEET 2 AA3 2 THR A 153 VAL A 154 -1 O THR A 153 N THR A 127 SHEET 1 AA4 2 ARG A 156 TYR A 157 0 SHEET 2 AA4 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 1.30 SITE 1 AC1 15 LEU A 15 ALA A 36 LYS A 38 VAL A 68 SITE 2 AC1 15 LEU A 84 GLU A 85 TYR A 86 CYS A 87 SITE 3 AC1 15 SER A 88 GLU A 91 GLU A 134 LEU A 137 SITE 4 AC1 15 SER A 147 ASP A 148 HOH A 521 SITE 1 AC2 6 TRP A 9 VAL A 35 VAL A 37 TYR A 71 SITE 2 AC2 6 PHE A 83 HOH A 590 SITE 1 AC3 4 LEU A 179 SER A 212 ASP A 213 HOH A 478 SITE 1 AC4 3 GLY A 123 ARG A 156 HOH A 482 SITE 1 AC5 4 ASP A 209 SER A 212 SER A 214 CYS A 215 SITE 1 AC6 4 LEU A 206 TRP A 208 ASP A 209 HOH A 428 SITE 1 AC7 6 TRP A 221 LYS A 224 HIS A 243 LEU A 246 SITE 2 AC7 6 HOH A 416 HOH A 491 SITE 1 AC8 8 PHE A 93 ILE A 96 PRO A 133 TYR A 173 SITE 2 AC8 8 GLY A 204 GLU A 205 LEU A 206 HOH A 596 CRYST1 44.970 65.870 57.900 90.00 94.69 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 0.022237 0.000000 0.001824 0.00000 SCALE2 0.000000 0.015181 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017329 0.00000