PDB Short entry for 4ARK HEADER TRANSFERASE 24-APR-12 4ARK TITLE CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN MAP KINASE KINASE 1 TITLE 2 (MEK1) IN COMPLEX WITH A SMALL MOLECULE INHIBITOR AND ADP COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUAL SPECIFICITY MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, RESIDUES 62-393; 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 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: ARCTIC EXPRESS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE80L KEYWDS TRANSFERASE, KINASE, INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR I.V.HARTUNG,M.HITCHCOCK,F.PUEHLER,R.NEUHAUS,A.SCHOLZ,S.HAMMER, AUTHOR 2 K.PETERSEN,G.SIEMEISTER,D.BRITTAIN,R.C.HILLIG REVDAT 5 20-DEC-23 4ARK 1 REMARK LINK REVDAT 4 14-DEC-16 4ARK 1 REMARK REVDAT 3 17-APR-13 4ARK 1 JRNL REVDAT 2 03-APR-13 4ARK 1 JRNL REVDAT 1 06-MAR-13 4ARK 0 JRNL AUTH I.V.HARTUNG,M.HITCHCOCK,F.PUEHLER,R.NEUHAUS,A.SCHOLZ, JRNL AUTH 2 S.HAMMER,K.PETERSEN,G.SIEMEISTER,D.BRITTAIN,R.C.HILLIG JRNL TITL OPTIMIZATION OF ALLOSTERIC MEK INHIBITORS - PART 1: JRNL TITL 2 VENTURING INTO UNEXPLORED SAR TERRITORIES JRNL REF BIOORG.MED.CHEM.LETT. V. 23 2384 2013 JRNL REFN ISSN 0960-894X JRNL PMID 23474388 JRNL DOI 10.1016/J.BMCL.2013.02.028 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0062 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 14461 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) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 769 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) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1017 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.3360 REMARK 3 BIN FREE R VALUE SET COUNT : 59 REMARK 3 BIN FREE R VALUE : 0.3340 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2279 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 48 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 87.17 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 91.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.53000 REMARK 3 B22 (A**2) : 1.53000 REMARK 3 B33 (A**2) : -2.29000 REMARK 3 B12 (A**2) : 0.76000 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): 0.317 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.228 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.191 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 16.819 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.969 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.951 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2382 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3216 ; 1.437 ; 2.005 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 289 ; 5.735 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 99 ;34.323 ;24.444 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 428 ;19.105 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;20.635 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 351 ; 0.100 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1757 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1446 ; 1.694 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2334 ; 2.943 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 936 ; 1.780 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 882 ; 2.860 ; 3.000 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 : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 61 A 119 REMARK 3 RESIDUE RANGE : A 128 A 145 REMARK 3 ORIGIN FOR THE GROUP (A): 30.9450 27.0000 51.4370 REMARK 3 T TENSOR REMARK 3 T11: -0.3319 T22: 0.2258 REMARK 3 T33: -0.4109 T12: -0.1175 REMARK 3 T13: -0.0386 T23: -0.0577 REMARK 3 L TENSOR REMARK 3 L11: 5.7637 L22: 7.8393 REMARK 3 L33: 10.3919 L12: 2.0090 REMARK 3 L13: 0.8932 L23: 2.2079 REMARK 3 S TENSOR REMARK 3 S11: 0.1477 S12: -0.4332 S13: 0.1766 REMARK 3 S21: -0.0217 S22: -0.2223 S23: 0.7669 REMARK 3 S31: 0.4890 S32: -1.1399 S33: 0.0746 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 120 A 127 REMARK 3 RESIDUE RANGE : A 146 A 382 REMARK 3 ORIGIN FOR THE GROUP (A): 40.3170 36.8600 28.8160 REMARK 3 T TENSOR REMARK 3 T11: -0.4196 T22: -0.0984 REMARK 3 T33: -0.3267 T12: 0.0825 REMARK 3 T13: 0.0989 T23: -0.0222 REMARK 3 L TENSOR REMARK 3 L11: 4.5549 L22: 3.0595 REMARK 3 L33: 6.1323 L12: 0.1349 REMARK 3 L13: 1.1673 L23: 0.3974 REMARK 3 S TENSOR REMARK 3 S11: 0.0948 S12: 0.0742 S13: 0.6308 REMARK 3 S21: -0.3209 S22: -0.1516 S23: -0.4678 REMARK 3 S31: -0.3776 S32: 0.2053 S33: 0.0568 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH 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. LIGAND (M3K) CO-CRYSTALLIZED IN THE PRESENCE OF MG REMARK 3 AND ADP AS PUBLISHED FOR THE ATP COMPLEX DESCRIBED IN PDB ENTRY REMARK 3 1S9J. REMARK 4 REMARK 4 4ARK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-APR-12. REMARK 100 THE DEPOSITION ID IS D_1290052203. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUL-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15320 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.76000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: REFMAC 5 REMARK 200 STARTING MODEL: PROTEIN CHAIN OF PDB ENTRY 1S9J REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M IMIDAZOLE-MALATE, 300 REMARK 280 MM(NH4)H2PO4, 13% PEG 8000, PH 5.8 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 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 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,Z+1/3 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 86.82533 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 43.41267 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 0.00000 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 86.82533 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 43.41267 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26410 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.2 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 -1.000000 0.000000 0.000000 41.20550 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 71.37002 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 GLY A 276 REMARK 465 CYS A 277 REMARK 465 GLN A 278 REMARK 465 VAL A 279 REMARK 465 GLU A 280 REMARK 465 GLY A 281 REMARK 465 ASP A 282 REMARK 465 ALA A 283 REMARK 465 ALA A 284 REMARK 465 GLU A 285 REMARK 465 THR A 286 REMARK 465 PRO A 287 REMARK 465 PRO A 288 REMARK 465 ARG A 289 REMARK 465 PRO A 290 REMARK 465 ARG A 291 REMARK 465 THR A 292 REMARK 465 PRO A 293 REMARK 465 GLY A 294 REMARK 465 ARG A 295 REMARK 465 PRO A 296 REMARK 465 LEU A 297 REMARK 465 SER A 298 REMARK 465 SER A 299 REMARK 465 TYR A 300 REMARK 465 GLY A 301 REMARK 465 MET A 302 REMARK 465 ASP A 303 REMARK 465 SER A 304 REMARK 465 ARG A 305 REMARK 465 PRO A 306 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 LEU A 394 REMARK 465 GLU 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 465 HIS A 401 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 O1B ADP A 1383 O HOH A 2022 2.05 REMARK 500 O GLY A 225 N ARG A 227 2.05 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 LYS A 104 153.87 -43.67 REMARK 500 ARG A 189 -4.81 92.89 REMARK 500 ASP A 190 58.63 -159.62 REMARK 500 ALA A 220 102.29 -56.35 REMARK 500 ASN A 221 -58.18 -159.15 REMARK 500 SER A 222 -132.67 104.99 REMARK 500 THR A 226 20.06 -40.11 REMARK 500 SER A 241 -141.74 -163.88 REMARK 500 LEU A 273 81.57 -69.61 REMARK 500 ARG A 349 143.80 -38.78 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 89.1 REMARK 620 3 ADP A1383 O2B 108.7 153.2 REMARK 620 4 ADP A1383 O2A 167.4 78.7 81.9 REMARK 620 5 HOH A2023 O 93.9 92.4 105.7 89.6 REMARK 620 6 HOH A2024 O 91.0 84.0 76.1 84.9 173.9 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 ADP A 1383 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1384 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE M3K A 1385 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 REMARK 900 RELATED ID: 4AN2 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: 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. REMARK 999 REMARK 999 SEQUENCE REMARK 999 N-TERMINAL M IS CLONING ARTIFACT. LAST EIGHT C-TERMINAL REMARK 999 RESIDUES ARE A CLONING ARTIFACT, HEXA HIS TAG. THIS C- REMARK 999 TERMINAL HIS TAG WAS NOT REMOVED BEFORE CRYSTALLIZATION. DBREF 4ARK A 62 393 UNP Q02750 MP2K1_HUMAN 62 393 SEQADV 4ARK MET A 61 UNP Q02750 EXPRESSION TAG SEQADV 4ARK LEU A 394 UNP Q02750 EXPRESSION TAG SEQADV 4ARK GLU A 395 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 396 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 397 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 398 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 399 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 400 UNP Q02750 EXPRESSION TAG SEQADV 4ARK HIS A 401 UNP Q02750 EXPRESSION TAG SEQRES 1 A 341 MET GLU LEU LYS ASP ASP ASP PHE GLU LYS ILE SER GLU SEQRES 2 A 341 LEU GLY ALA GLY ASN GLY GLY VAL VAL PHE LYS VAL SER SEQRES 3 A 341 HIS LYS PRO SER GLY LEU VAL MET ALA ARG LYS LEU ILE SEQRES 4 A 341 HIS LEU GLU ILE LYS PRO ALA ILE ARG ASN GLN ILE ILE SEQRES 5 A 341 ARG GLU LEU GLN VAL LEU HIS GLU CYS ASN SER PRO TYR SEQRES 6 A 341 ILE VAL GLY PHE TYR GLY ALA PHE TYR SER ASP GLY GLU SEQRES 7 A 341 ILE SER ILE CYS MET GLU HIS MET ASP GLY GLY SER LEU SEQRES 8 A 341 ASP GLN VAL LEU LYS LYS ALA GLY ARG ILE PRO GLU GLN SEQRES 9 A 341 ILE LEU GLY LYS VAL SER ILE ALA VAL ILE LYS GLY LEU SEQRES 10 A 341 THR TYR LEU ARG GLU LYS HIS LYS ILE MET HIS ARG ASP SEQRES 11 A 341 VAL LYS PRO SER ASN ILE LEU VAL ASN SER ARG GLY GLU SEQRES 12 A 341 ILE LYS LEU CYS ASP PHE GLY VAL SER GLY GLN LEU ILE SEQRES 13 A 341 ASP SER MET ALA ASN SER PHE VAL GLY THR ARG SER TYR SEQRES 14 A 341 MET SER PRO GLU ARG LEU GLN GLY THR HIS TYR SER VAL SEQRES 15 A 341 GLN SER ASP ILE TRP SER MET GLY LEU SER LEU VAL GLU SEQRES 16 A 341 MET ALA VAL GLY ARG TYR PRO ILE PRO PRO PRO ASP ALA SEQRES 17 A 341 LYS GLU LEU GLU LEU MET PHE GLY CYS GLN VAL GLU GLY SEQRES 18 A 341 ASP ALA ALA GLU THR PRO PRO ARG PRO ARG THR PRO GLY SEQRES 19 A 341 ARG PRO LEU SER SER TYR GLY MET ASP SER ARG PRO PRO SEQRES 20 A 341 MET ALA ILE PHE GLU LEU LEU ASP TYR ILE VAL ASN GLU SEQRES 21 A 341 PRO PRO PRO LYS LEU PRO SER GLY VAL PHE SER LEU GLU SEQRES 22 A 341 PHE GLN ASP PHE VAL ASN LYS CYS LEU ILE LYS ASN PRO SEQRES 23 A 341 ALA GLU ARG ALA ASP LEU LYS GLN LEU MET VAL HIS ALA SEQRES 24 A 341 PHE ILE LYS ARG SER ASP ALA GLU GLU VAL ASP PHE ALA SEQRES 25 A 341 GLY TRP LEU CYS SER THR ILE GLY LEU ASN GLN PRO SER SEQRES 26 A 341 THR PRO THR HIS ALA ALA GLY VAL LEU GLU HIS HIS HIS SEQRES 27 A 341 HIS HIS HIS HET ADP A1383 27 HET MG A1384 1 HET M3K A1385 26 HETNAM ADP ADENOSINE-5'-DIPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM M3K 2-([3R-3,4-DIHYDROXYBUTYL]OXY)-4-FLUORO-6-[(2-FLUORO-4- HETNAM 2 M3K IODOPHENYL)AMINO]BENZAMIDE FORMUL 2 ADP C10 H15 N5 O10 P2 FORMUL 3 MG MG 2+ FORMUL 4 M3K C17 H17 F2 I N2 O4 FORMUL 5 HOH *48(H2 O) HELIX 1 1 LYS A 64 ASP A 66 5 3 HELIX 2 2 LYS A 104 GLN A 116 1 13 HELIX 3 3 VAL A 117 CYS A 121 5 5 HELIX 4 4 SER A 150 GLY A 159 1 10 HELIX 5 5 PRO A 162 LYS A 185 1 24 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 GLY A 259 1 18 HELIX 10 10 ALA A 309 GLU A 320 1 12 HELIX 11 11 SER A 331 LEU A 342 1 12 HELIX 12 12 ASP A 351 VAL A 357 1 7 HELIX 13 13 HIS A 358 GLU A 367 1 10 HELIX 14 14 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 2 ILE A 196 VAL A 198 0 SHEET 2 AB 2 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 2.24 LINK OD2 ASP A 208 MG MG A1384 1555 1555 2.24 LINK O2B ADP A1383 MG MG A1384 1555 1555 2.08 LINK O2A ADP A1383 MG MG A1384 1555 1555 2.24 LINK MG MG A1384 O HOH A2023 1555 1555 2.08 LINK MG MG A1384 O HOH A2024 1555 1555 1.96 CISPEP 1 ILE A 263 PRO A 264 0 -0.05 SITE 1 AC1 20 GLY A 77 GLY A 80 VAL A 82 ALA A 95 SITE 2 AC1 20 LYS A 97 MET A 143 GLU A 144 MET A 146 SITE 3 AC1 20 SER A 150 GLN A 153 LYS A 192 SER A 194 SITE 4 AC1 20 ASN A 195 LEU A 197 ASP A 208 MG A1384 SITE 5 AC1 20 HOH A2019 HOH A2022 HOH A2023 HOH A2024 SITE 1 AC2 5 ASN A 195 ASP A 208 ADP A1383 HOH A2023 SITE 2 AC2 5 HOH A2024 SITE 1 AC3 9 LYS A 97 VAL A 127 MET A 143 ASP A 190 SITE 2 AC3 9 ASP A 208 PHE A 209 GLY A 210 VAL A 211 SITE 3 AC3 9 SER A 212 CRYST1 82.411 82.411 130.238 90.00 90.00 120.00 P 62 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 0.012134 0.007006 0.000000 0.00000 SCALE2 0.000000 0.014011 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007678 0.00000