HEADER TRANSFERASE 14-MAR-12 4AN2 TITLE CRYSTAL STRUCTURES OF HUMAN MEK1 WITH CARBOXAMIDE-BASED ALLOSTERIC TITLE 2 INHIBITOR XL518 (GDC-0973), OR RELATED ANALOGS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUAL SPECIFICITY MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PROTEIN KINASE DOMAIN, RESIDUES 61-262,305-392; COMPND 5 SYNONYM: MAP KINASE KINASE 1, MAPKK 1, MKK1, ERK ACTIVATOR KINASE 1, COMPND 6 MAPK/ERK KINASE 1, MEK 1; COMPND 7 EC: 2.7.12.2; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: 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_STRAIN: SF9; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS TRANSFERASE, MAP2K1, ATP-BINDING, ALLOSTERIC INHIBITION EXPDTA X-RAY DIFFRACTION AUTHOR K.D.RICE,N.AAY,N.K.ANAND,C.M.BLAZEY,O.J.BOWLES,J.BUSSENIUS, AUTHOR 2 S.COSTANZO,J.K.CURTIS,S.C.DEFINA,L.DUBENKO,S.ENGST,A.A.JOSHI, AUTHOR 3 A.R.KENNEDY,A.I.KIM,E.S.KOLTUN,J.C.LOUGHEED,J.C.L.MANALO, AUTHOR 4 J.F.MARTINI,J.M.NUSS,C.J.PETO,T.H.TSANG,P.YU,S.JOHNSTON REVDAT 3 01-MAY-24 4AN2 1 REMARK LINK REVDAT 2 18-JUN-14 4AN2 1 JRNL REVDAT 1 19-DEC-12 4AN2 0 JRNL AUTH K.D.RICE,N.AAY,N.K.ANAND,C.M.BLAZEY,O.J.BOWLES,J.BUSSENIUS, JRNL AUTH 2 S.COSTANZO,J.K.CURTIS,S.C.DEFINA,L.DUBENKO,S.ENGST, JRNL AUTH 3 A.A.JOSHI,A.R.KENNEDY,A.I.KIM,E.S.KOLTUN,J.C.LOUGHEED, JRNL AUTH 4 J.C.L.MANALO,J.F.MARTINI,J.M.NUSS,C.J.PETO,T.H.TSANG,P.YU, JRNL AUTH 5 S.JOHNSTON JRNL TITL NOVEL CARBOXAMIDE-BASED ALLOSTERIC MEK INHIBITORS: DISCOVERY JRNL TITL 2 AND OPTIMIZATION EFFORTS TOWARD XL518 (GDC-0973) JRNL REF ACS MED.CHEM.LETT. V. 3 416 2012 JRNL REFN ISSN 1948-5875 JRNL PMID 24900486 JRNL DOI 10.1021/ML300049D REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 94.07 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 10783 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.211 REMARK 3 FREE R VALUE : 0.299 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 578 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.57 REMARK 3 REFLECTION IN BIN (WORKING SET) : 778 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.88 REMARK 3 BIN R VALUE (WORKING SET) : 0.3630 REMARK 3 BIN FREE R VALUE SET COUNT : 46 REMARK 3 BIN FREE R VALUE : 0.3980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2209 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 62 REMARK 3 SOLVENT ATOMS : 38 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 53.06 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.50000 REMARK 3 B22 (A**2) : -0.50000 REMARK 3 B33 (A**2) : 0.75000 REMARK 3 B12 (A**2) : -0.25000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.660 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.352 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.286 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 13.071 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.948 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.888 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2325 ; 0.021 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3144 ; 2.178 ; 2.009 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 280 ; 7.279 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 98 ;36.722 ;24.184 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 416 ;19.513 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 13 ;22.051 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 341 ; 0.139 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1715 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1092 ; 0.260 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1591 ; 0.322 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 112 ; 0.197 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.006 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 32 ; 0.278 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 6 ; 0.140 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1417 ; 1.016 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2256 ; 1.802 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1005 ; 2.828 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 886 ; 4.229 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. REMARK 4 REMARK 4 4AN2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-MAR-12. REMARK 100 THE DEPOSITION ID IS D_1290051651. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL, SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12819 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 54.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.68 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.20 REMARK 200 R MERGE FOR SHELL (I) : 0.56000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: IN HOUSE MEK1-AMPPCP STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MEK1 (8 MG/ML) WAS INCUBATED WITH REMARK 280 INHIBITOR (300 MICROMOLAR FINAL CONCENTRATION) AND AMPPCP (2.8 REMARK 280 MM FINAL CONCENTRATION) FOR TWO HOURS ON ICE, FOLLOWED BY REMARK 280 CRYSTALLIZION VS. 26.5% PEG-2000 MME, 0.1 M TRIMETHYLAMINE N- REMARK 280 OXIDE AND 0.1 M TRIS (PH 8.9) REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 15.90333 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 31.80667 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 23.85500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 39.75833 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 7.95167 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 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 GLU A 393 REMARK 465 GLY 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 465 HIS A 400 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 O ASP A 66 NZ LYS A 88 2.15 REMARK 500 REMARK 500 REMARK: NULL 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 LEU A 98 CB - CG - CD2 ANGL. DEV. = -12.5 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 LEU A 101 -147.14 -121.40 REMARK 500 GLU A 102 83.57 -164.46 REMARK 500 PRO A 105 -14.75 -49.72 REMARK 500 ARG A 160 133.31 -172.41 REMARK 500 ARG A 189 -11.10 79.08 REMARK 500 ASP A 190 60.28 -150.67 REMARK 500 THR A 238 150.92 -43.27 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 A1384 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 195 OD1 REMARK 620 2 ASP A 208 OD2 91.9 REMARK 620 3 ACP A1383 O2G 84.1 96.1 REMARK 620 4 ACP A1383 O1B 97.4 170.0 81.2 REMARK 620 5 ACP A1383 O1A 174.4 83.5 99.5 87.4 REMARK 620 6 HOH A2021 O 82.0 100.7 158.4 84.4 95.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EUI A 1382 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACP A 1383 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1384 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1S9J RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE HUMAN MITOGEN-ACTIVATED PROTEINKINASE KINASE REMARK 900 1 (MEK1) IN A COMPLEX WITH LIGAND AND MGATP RELATED ENTRIES REMARK 900 RELATED ID: 4AN3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF HUMAN MEK1 WITH CARBOXAMIDE-BASED ALLOSTERIC REMARK 900 INHIBITOR XL518 (GDC-0973), OR RELATED ANALOGS. REMARK 900 RELATED ID: 4AN9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF HUMAN MEK1 WITH CARBOXAMIDE-BASED ALLOSTERIC REMARK 900 INHIBITOR XL518 (GDC-0973), OR RELATED ANALOGS. REMARK 900 RELATED ID: 4ANB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF HUMAN MEK1 WITH CARBOXAMIDE-BASED ALLOSTERIC REMARK 900 INHIBITOR XL518 (GDC-0973), OR RELATED ANALOGS. DBREF 4AN2 A 61 262 UNP Q02750 MP2K1_HUMAN 61 262 DBREF 4AN2 A 305 392 UNP Q02750 MP2K1_HUMAN 305 392 SEQADV 4AN2 MET A 58 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 ALA A 59 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 LEU A 60 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 GLU A 393 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 GLY A 394 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 395 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 396 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 397 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 398 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 399 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 HIS A 400 UNP Q02750 EXPRESSION TAG SEQADV 4AN2 GLU A 218 UNP Q02750 SER 218 ENGINEERED MUTATION SEQADV 4AN2 GLU A 222 UNP Q02750 SER 222 ENGINEERED MUTATION SEQADV 4AN2 ALA A 328 UNP Q02750 GLY 328 ENGINEERED MUTATION SEQRES 1 A 301 MET ALA LEU GLY GLU LEU LYS ASP ASP ASP PHE GLU LYS SEQRES 2 A 301 ILE SER GLU LEU GLY ALA GLY ASN GLY GLY VAL VAL PHE SEQRES 3 A 301 LYS VAL SER HIS LYS PRO SER GLY LEU VAL MET ALA ARG SEQRES 4 A 301 LYS LEU ILE HIS LEU GLU ILE LYS PRO ALA ILE ARG ASN SEQRES 5 A 301 GLN ILE ILE ARG GLU LEU GLN VAL LEU HIS GLU CYS ASN SEQRES 6 A 301 SER PRO TYR ILE VAL GLY PHE TYR GLY ALA PHE TYR SER SEQRES 7 A 301 ASP GLY GLU ILE SER ILE CYS MET GLU HIS MET ASP GLY SEQRES 8 A 301 GLY SER LEU ASP GLN VAL LEU LYS LYS ALA GLY ARG ILE SEQRES 9 A 301 PRO GLU GLN ILE LEU GLY LYS VAL SER ILE ALA VAL ILE SEQRES 10 A 301 LYS GLY LEU THR TYR LEU ARG GLU LYS HIS LYS ILE MET SEQRES 11 A 301 HIS ARG ASP VAL LYS PRO SER ASN ILE LEU VAL ASN SER SEQRES 12 A 301 ARG GLY GLU ILE LYS LEU CYS ASP PHE GLY VAL SER GLY SEQRES 13 A 301 GLN LEU ILE ASP GLU MET ALA ASN GLU PHE VAL GLY THR SEQRES 14 A 301 ARG SER TYR MET SER PRO GLU ARG LEU GLN GLY THR HIS SEQRES 15 A 301 TYR SER VAL GLN SER ASP ILE TRP SER MET GLY LEU SER SEQRES 16 A 301 LEU VAL GLU MET ALA VAL GLY ARG TYR PRO ARG PRO PRO SEQRES 17 A 301 MET ALA ILE PHE GLU LEU LEU ASP TYR ILE VAL ASN GLU SEQRES 18 A 301 PRO PRO PRO LYS LEU PRO SER ALA VAL PHE SER LEU GLU SEQRES 19 A 301 PHE GLN ASP PHE VAL ASN LYS CYS LEU ILE LYS ASN PRO SEQRES 20 A 301 ALA GLU ARG ALA ASP LEU LYS GLN LEU MET VAL HIS ALA SEQRES 21 A 301 PHE ILE LYS ARG SER ASP ALA GLU GLU VAL ASP PHE ALA SEQRES 22 A 301 GLY TRP LEU CYS SER THR ILE GLY LEU ASN GLN PRO SER SEQRES 23 A 301 THR PRO THR HIS ALA ALA GLY GLU GLY HIS HIS HIS HIS SEQRES 24 A 301 HIS HIS HET EUI A1382 30 HET ACP A1383 31 HET MG A1384 1 HETNAM EUI [3,4-BIS(FLUORANYL)-2-[(2-FLUORANYL-4-IODANYL-PHENYL) HETNAM 2 EUI AMINO]PHENYL]-[3-OXIDANYL-3-[(2S)-PIPERIDIN-2- HETNAM 3 EUI YL]AZETIDIN-1-YL]METHANONE HETNAM ACP PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER HETNAM MG MAGNESIUM ION HETSYN ACP ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE FORMUL 2 EUI C21 H21 F3 I N3 O2 FORMUL 3 ACP C11 H18 N5 O12 P3 FORMUL 4 MG MG 2+ FORMUL 5 HOH *38(H2 O) HELIX 1 1 LYS A 64 ASP A 66 5 3 HELIX 2 2 PRO A 89 GLY A 91 5 3 HELIX 3 3 LYS A 104 LEU A 115 1 12 HELIX 4 4 GLN A 116 CYS A 121 5 6 HELIX 5 5 LEU A 151 GLY A 159 1 9 HELIX 6 6 GLN A 164 LYS A 185 1 22 HELIX 7 7 LYS A 192 SER A 194 5 3 HELIX 8 8 SER A 212 ASN A 221 1 10 HELIX 9 9 THR A 226 MET A 230 5 5 HELIX 10 10 SER A 231 GLY A 237 1 7 HELIX 11 11 VAL A 242 GLY A 259 1 18 HELIX 12 12 ALA A 309 GLU A 320 1 12 HELIX 13 13 SER A 331 LEU A 342 1 12 HELIX 14 14 ASP A 351 VAL A 357 1 7 HELIX 15 15 HIS A 358 GLU A 367 1 10 HELIX 16 16 ASP A 370 GLY A 380 1 11 SHEET 1 AA 5 PHE A 68 ALA A 76 0 SHEET 2 AA 5 GLY A 80 HIS A 87 -1 O VAL A 82 N LEU A 74 SHEET 3 AA 5 VAL A 93 HIS A 100 -1 O MET A 94 N VAL A 85 SHEET 4 AA 5 GLU A 138 GLU A 144 -1 O ILE A 139 N ILE A 99 SHEET 5 AA 5 PHE A 129 SER A 135 -1 N TYR A 130 O CYS A 142 SHEET 1 AB 3 GLY A 149 SER A 150 0 SHEET 2 AB 3 ILE A 196 VAL A 198 -1 N VAL A 198 O GLY A 149 SHEET 3 AB 3 ILE A 204 LEU A 206 -1 O LYS A 205 N LEU A 197 LINK OD1 ASN A 195 MG MG A1384 1555 1555 2.38 LINK OD2 ASP A 208 MG MG A1384 1555 1555 2.17 LINK O2G ACP A1383 MG MG A1384 1555 1555 2.08 LINK O1B ACP A1383 MG MG A1384 1555 1555 1.98 LINK O1A ACP A1383 MG MG A1384 1555 1555 2.05 LINK MG MG A1384 O HOH A2021 1555 1555 2.11 SITE 1 AC1 15 ASN A 78 LYS A 97 LEU A 115 VAL A 127 SITE 2 AC1 15 ILE A 141 MET A 143 ASP A 190 ASN A 195 SITE 3 AC1 15 ASP A 208 PHE A 209 VAL A 211 SER A 212 SITE 4 AC1 15 LEU A 215 GLY A 225 ACP A1383 SITE 1 AC2 22 LEU A 74 GLY A 75 GLY A 77 ASN A 78 SITE 2 AC2 22 GLY A 80 VAL A 82 ALA A 95 LYS A 97 SITE 3 AC2 22 MET A 143 GLU A 144 MET A 146 SER A 150 SITE 4 AC2 22 GLN A 153 LYS A 192 SER A 194 ASN A 195 SITE 5 AC2 22 LEU A 197 ASP A 208 EUI A1382 MG A1384 SITE 6 AC2 22 HOH A2003 HOH A2021 SITE 1 AC3 4 ASN A 195 ASP A 208 ACP A1383 HOH A2021 CRYST1 108.844 108.844 47.710 90.00 90.00 120.00 P 61 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 0.009187 0.005304 0.000000 0.00000 SCALE2 0.000000 0.010609 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020960 0.00000