HEADER TRANSFERASE/TRANSFERASE INHIBITOR 08-SEP-10 3OS3 TITLE MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1 (MEK1) IN COMPLEX WITH TITLE 2 CH4858061 AND MGATP COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUAL SPECIFICITY MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 62-270, 303-393; COMPND 5 SYNONYM: MAP KINASE KINASE 1, MAPKK 1, ERK ACTIVATOR KINASE 1, COMPND 6 MAPK/ERK KINASE 1, MEK 1; COMPND 7 EC: 2.7.12.2; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS KINASE, KINASE INHIBITOR, ALLOSTERIC, TRANSFERASE-TRANSFERASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.M.LUKACS,C.JANSON,V.SCHUCK,C.BELUNIS REVDAT 3 21-FEB-24 3OS3 1 REMARK SEQADV LINK REVDAT 2 23-AUG-17 3OS3 1 SOURCE REMARK REVDAT 1 27-JUL-11 3OS3 0 JRNL AUTH Y.ISSHIKI,Y.KOHCHI,H.IIKURA,Y.MATSUBARA,K.ASOH,T.MURATA, JRNL AUTH 2 M.KOHCHI,E.MIZUGUCHI,S.TSUJII,K.HATTORI,T.MIURA,Y.YOSHIMURA, JRNL AUTH 3 S.AIDA,M.MIWA,R.SAITOH,N.MURAO,H.OKABE,C.BELUNIS,C.JANSON, JRNL AUTH 4 C.LUKACS,V.SCHUCK,N.SHIMMA JRNL TITL DESIGN AND SYNTHESIS OF NOVEL ALLOSTERIC MEK INHIBITOR JRNL TITL 2 CH4987655 AS AN ORALLY AVAILABLE ANTICANCER AGENT. JRNL REF BIOORG.MED.CHEM.LETT. V. 21 1795 2011 JRNL REFN ISSN 0960-894X JRNL PMID 21316218 JRNL DOI 10.1016/J.BMCL.2011.01.062 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2002 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1331114.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 10401 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) : 0.268 REMARK 3 R VALUE (WORKING SET) : 0.268 REMARK 3 FREE R VALUE : 0.356 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 525 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.016 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1562 REMARK 3 BIN R VALUE (WORKING SET) : 0.3810 REMARK 3 BIN FREE R VALUE : 0.4370 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 76 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2137 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 63 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 56.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 68.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 25.40000 REMARK 3 B22 (A**2) : 25.40000 REMARK 3 B33 (A**2) : -50.80000 REMARK 3 B12 (A**2) : 18.84000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.47 REMARK 3 ESD FROM SIGMAA (A) : 0.63 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.59 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.89 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.950 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 37.20 REMARK 3 REMARK 3 NCS MODEL : NONE REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : ATP.PAR REMARK 3 PARAMETER FILE 3 : WATER_REP.PARA REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : LIG.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ATP.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : LIG.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3OS3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1000061502. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-FEB-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10754 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.770 REMARK 200 RESOLUTION RANGE LOW (A) : 45.640 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04600 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.77 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.22500 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: CNX 2002 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7.5-10% PEG 8000, 0.2M NACL, 0.2M REMARK 280 AMMONIUM SULFATE, 0.1M CITRATE BUFFER, PH 4.2, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 87.67000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 43.83500 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 43.83500 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 87.67000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4680 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 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 350 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 61 REMARK 465 PRO A 297 REMARK 465 PRO A 298 REMARK 465 ASP A 299 REMARK 465 ALA A 300 REMARK 465 LYS A 301 REMARK 465 GLU A 302 REMARK 465 ASP A 303 REMARK 465 SER A 304 REMARK 465 ARG A 305 REMARK 465 PRO A 306 REMARK 465 PRO A 307 REMARK 465 SER A 327 REMARK 465 GLY A 328 REMARK 465 ILE A 379 REMARK 465 GLY A 380 REMARK 465 LEU A 381 REMARK 465 ASN A 382 REMARK 465 GLN A 383 REMARK 465 PRO A 384 REMARK 465 SER A 385 REMARK 465 THR A 386 REMARK 465 PRO A 387 REMARK 465 THR A 388 REMARK 465 HIS A 389 REMARK 465 ALA A 390 REMARK 465 ALA A 391 REMARK 465 GLY A 392 REMARK 465 VAL A 393 REMARK 465 HIS A 394 REMARK 465 HIS A 395 REMARK 465 HIS A 396 REMARK 465 HIS A 397 REMARK 465 HIS A 398 REMARK 465 HIS A 399 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A 262 C - N - CA ANGL. DEV. = 10.0 DEGREES 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 67 30.64 -95.94 REMARK 500 ILE A 71 -63.32 -105.20 REMARK 500 SER A 72 -143.49 -136.62 REMARK 500 GLU A 73 87.62 -151.09 REMARK 500 VAL A 81 99.06 -178.52 REMARK 500 LYS A 88 -49.85 -26.43 REMARK 500 HIS A 100 -72.92 -105.36 REMARK 500 LEU A 101 131.90 59.31 REMARK 500 ALA A 106 -70.69 -58.31 REMARK 500 SER A 123 149.55 -170.81 REMARK 500 SER A 135 125.35 -177.28 REMARK 500 ASP A 136 83.33 39.38 REMARK 500 MET A 146 79.05 -117.33 REMARK 500 LEU A 151 9.26 -57.46 REMARK 500 LEU A 155 -71.90 -52.46 REMARK 500 LYS A 156 -25.02 -33.64 REMARK 500 ALA A 158 8.68 -179.44 REMARK 500 PRO A 162 -111.45 -29.11 REMARK 500 GLU A 163 -44.59 167.94 REMARK 500 LYS A 183 -9.36 -141.75 REMARK 500 LYS A 185 21.32 47.39 REMARK 500 ARG A 189 3.40 84.93 REMARK 500 ASP A 190 39.34 -167.59 REMARK 500 ARG A 227 -165.97 -105.07 REMARK 500 SER A 228 100.50 179.14 REMARK 500 SER A 241 -150.98 -165.19 REMARK 500 LEU A 251 -7.27 -55.97 REMARK 500 ARG A 260 148.86 -177.05 REMARK 500 TYR A 261 100.54 -50.62 REMARK 500 PRO A 262 18.52 -50.91 REMARK 500 LYS A 324 -91.87 -128.18 REMARK 500 SER A 331 -163.63 -50.50 REMARK 500 LEU A 332 -99.91 -73.31 REMARK 500 PHE A 334 12.09 -56.22 REMARK 500 PHE A 337 -63.75 -140.70 REMARK 500 GLN A 354 -73.35 -56.94 REMARK 500 MET A 356 7.20 -67.93 REMARK 500 VAL A 357 -4.86 -144.60 REMARK 500 SER A 364 -67.16 -176.33 REMARK 500 PHE A 371 -57.78 72.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ATP A 1 O2A REMARK 620 2 ATP A 1 O2B 79.4 REMARK 620 3 ASN A 195 OD1 142.9 92.7 REMARK 620 4 ASP A 208 OD2 72.2 118.1 80.2 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATP A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3OS A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3ORN RELATED DB: PDB REMARK 900 MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1(MEK1)IN COMPLEX WITH REMARK 900 CH4987655 AND MGAMP-PNP DBREF 3OS3 A 62 302 UNP Q02750 MP2K1_HUMAN 62 270 DBREF 3OS3 A 303 393 UNP Q02750 MP2K1_HUMAN 303 393 SEQADV 3OS3 MET A 61 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 394 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 395 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 396 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 397 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 398 UNP Q02750 EXPRESSION TAG SEQADV 3OS3 HIS A 399 UNP Q02750 EXPRESSION TAG SEQRES 1 A 307 MET GLU LEU LYS ASP ASP ASP PHE GLU LYS ILE SER GLU SEQRES 2 A 307 LEU GLY ALA GLY ASN GLY GLY VAL VAL PHE LYS VAL SER SEQRES 3 A 307 HIS LYS PRO SER GLY LEU VAL MET ALA ARG LYS LEU ILE SEQRES 4 A 307 HIS LEU GLU ILE LYS PRO ALA ILE ARG ASN GLN ILE ILE SEQRES 5 A 307 ARG GLU LEU GLN VAL LEU HIS GLU CYS ASN SER PRO TYR SEQRES 6 A 307 ILE VAL GLY PHE TYR GLY ALA PHE TYR SER ASP GLY GLU SEQRES 7 A 307 ILE SER ILE CYS MET GLU HIS MET ASP GLY GLY SER LEU SEQRES 8 A 307 ASP GLN VAL LEU LYS LYS ALA GLY ARG ILE PRO GLU GLN SEQRES 9 A 307 ILE LEU GLY LYS VAL SER ILE ALA VAL ILE LYS GLY LEU SEQRES 10 A 307 THR TYR LEU ARG GLU LYS HIS LYS ILE MET HIS ARG ASP SEQRES 11 A 307 VAL LYS PRO SER ASN ILE LEU VAL ASN SER ARG GLY GLU SEQRES 12 A 307 ILE LYS LEU CYS ASP PHE GLY VAL SER GLY GLN LEU ILE SEQRES 13 A 307 ASP SER MET ALA ASN SER PHE VAL GLY THR ARG SER TYR SEQRES 14 A 307 MET SER PRO GLU ARG LEU GLN GLY THR HIS TYR SER VAL SEQRES 15 A 307 GLN SER ASP ILE TRP SER MET GLY LEU SER LEU VAL GLU SEQRES 16 A 307 MET ALA VAL GLY ARG TYR PRO ILE PRO PRO PRO ASP ALA SEQRES 17 A 307 LYS GLU ASP SER ARG PRO PRO MET ALA ILE PHE GLU LEU SEQRES 18 A 307 LEU ASP TYR ILE VAL ASN GLU PRO PRO PRO LYS LEU PRO SEQRES 19 A 307 SER GLY VAL PHE SER LEU GLU PHE GLN ASP PHE VAL ASN SEQRES 20 A 307 LYS CYS LEU ILE LYS ASN PRO ALA GLU ARG ALA ASP LEU SEQRES 21 A 307 LYS GLN LEU MET VAL HIS ALA PHE ILE LYS ARG SER ASP SEQRES 22 A 307 ALA GLU GLU VAL ASP PHE ALA GLY TRP LEU CYS SER THR SEQRES 23 A 307 ILE GLY LEU ASN GLN PRO SER THR PRO THR HIS ALA ALA SEQRES 24 A 307 GLY VAL HIS HIS HIS HIS HIS HIS HET ATP A 1 31 HET 3OS A 400 31 HET MG A 401 1 HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE HETNAM 3OS 2-[(4-ETHYNYL-2-FLUOROPHENYL)AMINO]-3,4-DIFLUORO-N-(2- HETNAM 2 3OS HYDROXYETHOXY)-5-{[(2-HYDROXYETHOXY) HETNAM 3 3OS IMINO]METHYL}BENZAMIDE HETNAM MG MAGNESIUM ION FORMUL 2 ATP C10 H16 N5 O13 P3 FORMUL 3 3OS C20 H18 F3 N3 O5 FORMUL 4 MG MG 2+ FORMUL 5 HOH *3(H2 O) HELIX 1 1 LYS A 64 PHE A 68 5 5 HELIX 2 2 LYS A 104 LEU A 115 1 12 HELIX 3 3 GLN A 116 GLU A 120 5 5 HELIX 4 4 ASP A 152 LYS A 157 1 6 HELIX 5 5 ILE A 165 HIS A 184 1 20 HELIX 6 6 LYS A 192 SER A 194 5 3 HELIX 7 7 SER A 212 MET A 219 1 8 HELIX 8 8 SER A 231 GLY A 237 1 7 HELIX 9 9 VAL A 242 VAL A 254 1 13 HELIX 10 10 ALA A 309 GLU A 320 1 12 HELIX 11 11 ASP A 351 MET A 356 1 6 HELIX 12 12 HIS A 358 ALA A 366 1 9 HELIX 13 13 PHE A 371 THR A 378 1 8 SHEET 1 A 3 GLU A 69 LYS A 70 0 SHEET 2 A 3 VAL A 81 SER A 86 -1 O SER A 86 N GLU A 69 SHEET 3 A 3 GLY A 75 ALA A 76 -1 N GLY A 75 O VAL A 82 SHEET 1 B 5 GLU A 69 LYS A 70 0 SHEET 2 B 5 VAL A 81 SER A 86 -1 O SER A 86 N GLU A 69 SHEET 3 B 5 VAL A 93 ILE A 99 -1 O ARG A 96 N PHE A 83 SHEET 4 B 5 GLU A 138 GLU A 144 -1 O MET A 143 N ALA A 95 SHEET 5 B 5 PHE A 129 SER A 135 -1 N GLY A 131 O CYS A 142 SHEET 1 C 2 ILE A 196 VAL A 198 0 SHEET 2 C 2 ILE A 204 LEU A 206 -1 O LYS A 205 N LEU A 197 LINK O2A ATP A 1 MG MG A 401 1555 1555 2.01 LINK O2B ATP A 1 MG MG A 401 1555 1555 2.35 LINK OD1 ASN A 195 MG MG A 401 1555 1555 1.95 LINK OD2 ASP A 208 MG MG A 401 1555 1555 2.54 CISPEP 1 ILE A 263 PRO A 264 0 -0.18 SITE 1 AC1 20 LEU A 74 GLY A 75 ALA A 76 GLY A 77 SITE 2 AC1 20 ASN A 78 VAL A 82 ALA A 95 LYS A 97 SITE 3 AC1 20 MET A 143 GLU A 144 MET A 146 SER A 150 SITE 4 AC1 20 GLN A 153 LYS A 192 SER A 194 ASN A 195 SITE 5 AC1 20 LEU A 197 ASP A 208 3OS A 400 MG A 401 SITE 1 AC2 17 ATP A 1 ASN A 78 GLY A 80 LYS A 97 SITE 2 AC2 17 GLU A 102 VAL A 127 ILE A 141 ARG A 189 SITE 3 AC2 17 ASP A 208 PHE A 209 GLY A 210 VAL A 211 SITE 4 AC2 17 SER A 212 LEU A 215 ILE A 216 MET A 219 SITE 5 AC2 17 ARG A 234 SITE 1 AC3 4 ATP A 1 SER A 194 ASN A 195 ASP A 208 CRYST1 72.998 72.998 131.505 90.00 90.00 120.00 P 32 2 1 6 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 0.013699 0.007909 0.000000 0.00000 SCALE2 0.000000 0.015818 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007604 0.00000