HEADER SIGNALING PROTEIN 10-APR-18 6G9J TITLE FRAGMENT-BASED DISCOVERY OF A HIGHLY POTENT, ORALLY BIOAVAILABLE TITLE 2 INHIBITOR WHICH MODULATES THE PHOSPHORYLATION AND CATALYTIC ACTIVITY TITLE 3 OF ERK1/2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOGEN-ACTIVATED PROTEIN KINASE 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MAPK 1,ERT1,EXTRACELLULAR SIGNAL-REGULATED KINASE 2,ERK-2, COMPND 5 MAP KINASE ISOFORM P42,P42-MAPK,MITOGEN-ACTIVATED PROTEIN KINASE 2, COMPND 6 MAPK 2; COMPND 7 EC: 2.7.11.24; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MAPK1, ERK2, PRKM1, PRKM2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS ERK2 KINASE INHIBITOR, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.O'REILLY REVDAT 3 27-JUN-18 6G9J 1 JRNL REVDAT 2 13-JUN-18 6G9J 1 JRNL REVDAT 1 30-MAY-18 6G9J 0 JRNL AUTH T.D.HEIGHTMAN,V.BERDINI,H.BRAITHWAITE,I.M.BUCK,M.CASSIDY, JRNL AUTH 2 J.CASTRO,A.COURTIN,J.E.H.DAY,C.EAST,L.FAZAL,B.GRAHAM, JRNL AUTH 3 C.M.GRIFFITHS-JONES,J.F.LYONS,V.MARTINS,S.MUENCH,J.M.MUNCK, JRNL AUTH 4 D.NORTON,M.O'REILLY,N.PALMER,P.PATHURI,M.READER,D.C.REES, JRNL AUTH 5 S.J.RICH,C.RICHARDSON,H.SAINI,N.T.THOMPSON,N.G.WALLIS, JRNL AUTH 6 H.WALTON,N.E.WILSHER,A.J.WOOLFORD,M.COOKE,D.COUSIN,S.ONIONS, JRNL AUTH 7 J.SHANNON,J.WATTS,C.W.MURRAY JRNL TITL FRAGMENT-BASED DISCOVERY OF A POTENT, ORALLY BIOAVAILABLE JRNL TITL 2 INHIBITOR THAT MODULATES THE PHOSPHORYLATION AND CATALYTIC JRNL TITL 3 ACTIVITY OF ERK1/2. JRNL REF J. MED. CHEM. V. 61 4978 2018 JRNL REFN ISSN 1520-4804 JRNL PMID 29775310 JRNL DOI 10.1021/ACS.JMEDCHEM.8B00421 REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.7 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) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.34 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 3 NUMBER OF REFLECTIONS : 25287 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) : 0.162 REMARK 3 R VALUE (WORKING SET) : 0.159 REMARK 3 FREE R VALUE : 0.212 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.220 REMARK 3 FREE R VALUE TEST SET COUNT : 1321 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 : 13 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.98 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.06 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.89 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2653 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2147 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2524 REMARK 3 BIN R VALUE (WORKING SET) : 0.2113 REMARK 3 BIN FREE R VALUE : 0.2818 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.86 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 129 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 : 2845 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 403 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.49 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.05 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.72520 REMARK 3 B22 (A**2) : 0.87090 REMARK 3 B33 (A**2) : -1.59610 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 3.56270 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.190 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.186 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.160 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.731 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.154 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 : 0.955 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 5851 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 10573 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1302 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 74 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 862 ; 16.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 5833 ; 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 : 381 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL 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 : 7033 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.10 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 6.41 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 15.91 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|8 - A|365 } REMARK 3 ORIGIN FOR THE GROUP (A): -1.5067 3.5624 38.4584 REMARK 3 T TENSOR REMARK 3 T11: -0.0655 T22: -0.0796 REMARK 3 T33: -0.0670 T12: 0.0099 REMARK 3 T13: 0.0024 T23: -0.0383 REMARK 3 L TENSOR REMARK 3 L11: 1.0986 L22: 0.9057 REMARK 3 L33: 1.1805 L12: -0.3695 REMARK 3 L13: 0.5682 L23: -0.2978 REMARK 3 S TENSOR REMARK 3 S11: -0.1027 S12: -0.1265 S13: 0.1076 REMARK 3 S21: 0.1751 S22: 0.0785 S23: -0.0971 REMARK 3 S31: -0.1181 S32: -0.0662 S33: 0.0242 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6G9J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-APR-18. REMARK 100 THE DEPOSITION ID IS D_1200009616. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUN-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 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 FR-X REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 300K REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25455 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.980 REMARK 200 RESOLUTION RANGE LOW (A) : 28.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.2 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.5 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: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: BUSTER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.3M (NH4)2SO4, 32.0%W/V MPEG 2000, REMARK 280 0.1M HEPES/NAOHPH=7.2, 0.02M MERCAPTOETHANOL, PH 7.2, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 35.12900 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 TOTAL BURIED SURFACE AREA: 360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 -7 REMARK 465 ALA A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ALA A 3 REMARK 465 ALA A 4 REMARK 465 ALA A 5 REMARK 465 ALA A 6 REMARK 465 ALA A 7 REMARK 465 TYR A 358 REMARK 465 ARG A 359 REMARK 465 SER A 360 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 330 CG CD CE NZ REMARK 470 ASP A 332 CG OD1 OD2 REMARK 470 MET A 333 CG SD CE REMARK 470 GLU A 334 CG CD OE1 OE2 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 VAL A 14 -71.25 -131.44 REMARK 500 ASP A 20 59.00 -93.81 REMARK 500 ASP A 149 48.48 -145.02 REMARK 500 ASP A 167 81.52 66.65 REMARK 500 ASP A 175 72.00 -150.87 REMARK 500 ASN A 201 19.34 -160.01 REMARK 500 LEU A 294 49.29 -99.54 REMARK 500 LYS A 340 -45.75 -29.97 REMARK 500 PRO A 356 107.92 -53.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 903 DISTANCE = 6.26 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ERK A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6G8X RELATED DB: PDB DBREF 6G9J A 1 360 UNP P28482 MK01_HUMAN 1 360 SEQADV 6G9J MET A -7 UNP P28482 INITIATING METHIONINE SEQADV 6G9J ALA A -6 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A -5 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A -4 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A -3 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A -2 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A -1 UNP P28482 EXPRESSION TAG SEQADV 6G9J HIS A 0 UNP P28482 EXPRESSION TAG SEQRES 1 A 368 MET ALA HIS HIS HIS HIS HIS HIS MET ALA ALA ALA ALA SEQRES 2 A 368 ALA ALA GLY ALA GLY PRO GLU MET VAL ARG GLY GLN VAL SEQRES 3 A 368 PHE ASP VAL GLY PRO ARG TYR THR ASN LEU SER TYR ILE SEQRES 4 A 368 GLY GLU GLY ALA TYR GLY MET VAL CYS SER ALA TYR ASP SEQRES 5 A 368 ASN VAL ASN LYS VAL ARG VAL ALA ILE LYS LYS ILE SER SEQRES 6 A 368 PRO PHE GLU HIS GLN THR TYR CYS GLN ARG THR LEU ARG SEQRES 7 A 368 GLU ILE LYS ILE LEU LEU ARG PHE ARG HIS GLU ASN ILE SEQRES 8 A 368 ILE GLY ILE ASN ASP ILE ILE ARG ALA PRO THR ILE GLU SEQRES 9 A 368 GLN MET LYS ASP VAL TYR ILE VAL GLN ASP LEU MET GLU SEQRES 10 A 368 THR ASP LEU TYR LYS LEU LEU LYS THR GLN HIS LEU SER SEQRES 11 A 368 ASN ASP HIS ILE CME TYR PHE LEU TYR GLN ILE LEU ARG SEQRES 12 A 368 GLY LEU LYS TYR ILE HIS SER ALA ASN VAL LEU HIS ARG SEQRES 13 A 368 ASP LEU LYS PRO SER ASN LEU LEU LEU ASN THR THR CME SEQRES 14 A 368 ASP LEU LYS ILE CME ASP PHE GLY LEU ALA ARG VAL ALA SEQRES 15 A 368 ASP PRO ASP HIS ASP HIS THR GLY PHE LEU THR GLU TYR SEQRES 16 A 368 VAL ALA THR ARG TRP TYR ARG ALA PRO GLU ILE MET LEU SEQRES 17 A 368 ASN SER LYS GLY TYR THR LYS SER ILE ASP ILE TRP SER SEQRES 18 A 368 VAL GLY CYS ILE LEU ALA GLU MET LEU SER ASN ARG PRO SEQRES 19 A 368 ILE PHE PRO GLY LYS HIS TYR LEU ASP GLN LEU ASN HIS SEQRES 20 A 368 ILE LEU GLY ILE LEU GLY SER PRO SER GLN GLU ASP LEU SEQRES 21 A 368 ASN CYS ILE ILE ASN LEU LYS ALA ARG ASN TYR LEU LEU SEQRES 22 A 368 SER LEU PRO HIS LYS ASN LYS VAL PRO TRP ASN ARG LEU SEQRES 23 A 368 PHE PRO ASN ALA ASP SER LYS ALA LEU ASP LEU LEU ASP SEQRES 24 A 368 LYS MET LEU THR PHE ASN PRO HIS LYS ARG ILE GLU VAL SEQRES 25 A 368 GLU GLN ALA LEU ALA HIS PRO TYR LEU GLU GLN TYR TYR SEQRES 26 A 368 ASP PRO SER ASP GLU PRO ILE ALA GLU ALA PRO PHE LYS SEQRES 27 A 368 PHE ASP MET GLU LEU ASP ASP LEU PRO LYS GLU LYS LEU SEQRES 28 A 368 LYS GLU LEU ILE PHE GLU GLU THR ALA ARG PHE GLN PRO SEQRES 29 A 368 GLY TYR ARG SER MODRES 6G9J CME A 127 CYS MODIFIED RESIDUE MODRES 6G9J CME A 161 CYS MODIFIED RESIDUE MODRES 6G9J CME A 166 CYS MODIFIED RESIDUE HET CME A 127 10 HET CME A 161 10 HET CME A 166 10 HET SO4 A 401 5 HET SO4 A 402 5 HET ERK A 403 64 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM SO4 SULFATE ION HETNAM ERK 2-[5-[5-CHLORANYL-2-(OXAN-4-YLAMINO)PYRIMIDIN-4-YL]-3- HETNAM 2 ERK OXIDANYLIDENE-1~{H}-ISOINDOL-2-YL]-~{N}-[(1~{R})-1- HETNAM 3 ERK PHENYLETHYL]ETHANAMIDE FORMUL 1 CME 3(C5 H11 N O3 S2) FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 ERK C27 H28 CL N5 O3 FORMUL 5 HOH *403(H2 O) HELIX 1 AA1 HIS A 61 PHE A 78 1 18 HELIX 2 AA2 LEU A 112 GLN A 119 1 8 HELIX 3 AA3 SER A 122 ALA A 143 1 22 HELIX 4 AA4 LYS A 151 SER A 153 5 3 HELIX 5 AA5 ASP A 175 ASP A 179 5 5 HELIX 6 AA6 THR A 190 ARG A 194 5 5 HELIX 7 AA7 ALA A 195 MET A 199 5 5 HELIX 8 AA8 LYS A 207 ASN A 224 1 18 HELIX 9 AA9 HIS A 232 GLY A 245 1 14 HELIX 10 AB1 SER A 248 CYS A 254 1 7 HELIX 11 AB2 ASN A 257 LEU A 267 1 11 HELIX 12 AB3 PRO A 274 PHE A 279 1 6 HELIX 13 AB4 ASP A 283 LEU A 294 1 12 HELIX 14 AB5 GLU A 303 ALA A 309 1 7 HELIX 15 AB6 HIS A 310 GLU A 314 5 5 HELIX 16 AB7 ASP A 318 GLU A 322 5 5 HELIX 17 AB8 PRO A 339 THR A 351 1 13 HELIX 18 AB9 ALA A 352 GLN A 355 5 4 SHEET 1 AA1 2 GLU A 12 MET A 13 0 SHEET 2 AA1 2 VAL A 18 PHE A 19 -1 O PHE A 19 N GLU A 12 SHEET 1 AA2 5 TYR A 25 GLY A 34 0 SHEET 2 AA2 5 GLY A 37 ASP A 44 -1 O TYR A 43 N THR A 26 SHEET 3 AA2 5 VAL A 49 ILE A 56 -1 O VAL A 49 N ASP A 44 SHEET 4 AA2 5 VAL A 101 ASP A 106 -1 O VAL A 101 N ILE A 56 SHEET 5 AA2 5 ASP A 88 ILE A 90 -1 N ASP A 88 O VAL A 104 SHEET 1 AA3 3 THR A 110 ASP A 111 0 SHEET 2 AA3 3 LEU A 155 LEU A 157 -1 O LEU A 157 N THR A 110 SHEET 3 AA3 3 LEU A 163 ILE A 165 -1 O LYS A 164 N LEU A 156 SHEET 1 AA4 2 VAL A 145 LEU A 146 0 SHEET 2 AA4 2 ARG A 172 VAL A 173 -1 O ARG A 172 N LEU A 146 LINK C ILE A 126 N CME A 127 1555 1555 1.34 LINK C CME A 127 N TYR A 128 1555 1555 1.33 LINK C THR A 160 N CME A 161 1555 1555 1.33 LINK C CME A 161 N ASP A 162 1555 1555 1.36 LINK C ILE A 165 N CME A 166 1555 1555 1.34 LINK C CME A 166 N ASP A 167 1555 1555 1.35 CISPEP 1 GLY A 22 PRO A 23 0 4.06 SITE 1 AC1 8 TYR A 187 ARG A 191 ARG A 194 TYR A 233 SITE 2 AC1 8 HOH A 583 HOH A 605 HOH A 701 HOH A 723 SITE 1 AC2 6 TYR A 113 LYS A 151 SER A 153 HOH A 585 SITE 2 AC2 6 HOH A 693 HOH A 744 SITE 1 AC3 20 TYR A 36 VAL A 39 ALA A 52 LYS A 54 SITE 2 AC3 20 ILE A 56 TYR A 64 ARG A 67 THR A 68 SITE 3 AC3 20 GLN A 105 ASP A 106 MET A 108 GLU A 109 SITE 4 AC3 20 THR A 110 ASP A 111 LYS A 114 CME A 166 SITE 5 AC3 20 ASP A 167 HOH A 526 HOH A 729 HOH A 767 CRYST1 48.842 70.258 60.577 90.00 109.90 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 0.020474 0.000000 0.007412 0.00000 SCALE2 0.000000 0.014233 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017556 0.00000