HEADER TRANSFERASE/TRANSFERASE INHIBITOR 23-NOV-10 3PP1 TITLE CRYSTAL STRUCTURE OF THE HUMAN MITOGEN-ACTIVATED PROTEIN KINASE KINASE TITLE 2 1 (MEK 1) IN COMPLEX WITH LIGAND AND MGATP COMPND MOL_ID: 1; COMPND 2 MOLECULE: DUAL SPECIFICITY MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: KINASE DOMAIN; 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_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MAP2K1, MAPK/ERK KINASE 1, MEK1, PRKMK1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A(+) KEYWDS KINASE DOMAIN, KINASE, ATP BINDING, TRANSFERASE-TRANSFERASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.R.DOUGAN REVDAT 4 21-FEB-24 3PP1 1 REMARK SEQADV LINK REVDAT 3 08-NOV-17 3PP1 1 REMARK REVDAT 2 09-MAR-11 3PP1 1 JRNL REVDAT 1 23-FEB-11 3PP1 0 JRNL AUTH Q.DONG,D.R.DOUGAN,X.GONG,P.HALKOWYCZ,B.JIN,T.KANOUNI, JRNL AUTH 2 S.M.O'CONNELL,N.SCORAH,L.SHI,M.B.WALLACE,F.ZHOU JRNL TITL DISCOVERY OF TAK-733, A POTENT AND SELECTIVE MEK ALLOSTERIC JRNL TITL 2 SITE INHIBITOR FOR THE TREATMENT OF CANCER. JRNL REF BIOORG.MED.CHEM.LETT. V. 21 1315 2011 JRNL REFN ISSN 0960-894X JRNL PMID 21310613 JRNL DOI 10.1016/J.BMCL.2011.01.071 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 12915 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) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 673 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.77 REMARK 3 REFLECTION IN BIN (WORKING SET) : 933 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 BIN R VALUE (WORKING SET) : 0.3090 REMARK 3 BIN FREE R VALUE SET COUNT : 53 REMARK 3 BIN FREE R VALUE : 0.2980 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 : 64 REMARK 3 SOLVENT ATOMS : 68 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.63 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.63000 REMARK 3 B22 (A**2) : 0.63000 REMARK 3 B33 (A**2) : -0.94000 REMARK 3 B12 (A**2) : 0.31000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.261 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.211 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 23.238 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.930 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2397 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 3 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3240 ; 1.310 ; 2.010 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6 ; 1.115 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 289 ; 5.479 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 100 ;36.100 ;24.500 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 430 ;17.309 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;18.539 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 352 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1802 ; 0.005 ; 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): 1450 ; 1.971 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2339 ; 3.427 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 947 ; 2.273 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 901 ; 3.732 ; 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 4 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 61 A 146 REMARK 3 RESIDUE RANGE : A 147 A 382 REMARK 3 RESIDUE RANGE : A 400 A 400 REMARK 3 RESIDUE RANGE : A 500 A 500 REMARK 3 ORIGIN FOR THE GROUP (A): -30.3047 21.6020 -0.0921 REMARK 3 T TENSOR REMARK 3 T11: 0.1318 T22: 0.0458 REMARK 3 T33: 0.1737 T12: -0.0656 REMARK 3 T13: -0.0609 T23: -0.0076 REMARK 3 L TENSOR REMARK 3 L11: 1.3769 L22: 1.4367 REMARK 3 L33: 4.2839 L12: 0.0505 REMARK 3 L13: -0.3641 L23: 0.3390 REMARK 3 S TENSOR REMARK 3 S11: 0.1008 S12: 0.0286 S13: -0.3734 REMARK 3 S21: 0.1583 S22: -0.0656 S23: -0.1786 REMARK 3 S31: -0.0325 S32: 0.1397 S33: -0.0352 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3PP1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-10. REMARK 100 THE DEPOSITION ID IS D_1000062643. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-MAR-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.976 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13651 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.76400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.900 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% MPD, 0.1M MES, PH 6.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 86.16933 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 43.08467 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 86.16933 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 43.08467 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 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 619 LIES ON A SPECIAL POSITION. 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 HIS A 383 REMARK 465 HIS A 384 REMARK 465 HIS A 385 REMARK 465 HIS A 386 REMARK 465 HIS A 387 REMARK 465 HIS A 388 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 SER A 135 -130.72 -124.72 REMARK 500 HIS A 184 -6.01 -141.81 REMARK 500 ARG A 189 -12.92 91.29 REMARK 500 ASP A 190 55.18 -151.82 REMARK 500 SER A 222 -168.26 -75.48 REMARK 500 PHE A 223 -175.45 147.82 REMARK 500 ARG A 227 99.01 16.12 REMARK 500 SER A 241 -145.60 -161.62 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 410 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 195 OD1 REMARK 620 2 ASP A 208 OD2 74.0 REMARK 620 3 ATP A 400 O1B 92.2 140.4 REMARK 620 4 ATP A 400 O2A 132.8 74.4 90.4 REMARK 620 5 ATP A 400 O2G 117.0 140.3 79.2 109.8 REMARK 620 6 HOH A 669 O 66.9 67.5 72.9 69.0 152.0 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 ATP A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IZG A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 590 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3MBL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN MITOGEN-ACTIVATED PROTEIN KINASE REMARK 900 KINASE 1 (MEK 1) IN COMPLEX WITH LIGAND AND MGADP DBREF 3PP1 A 62 382 UNP Q02750 MP2K1_HUMAN 62 382 SEQADV 3PP1 MET A 61 UNP Q02750 INITIATING METHIONINE SEQADV 3PP1 HIS A 383 UNP Q02750 EXPRESSION TAG SEQADV 3PP1 HIS A 384 UNP Q02750 EXPRESSION TAG SEQADV 3PP1 HIS A 385 UNP Q02750 EXPRESSION TAG SEQADV 3PP1 HIS A 386 UNP Q02750 EXPRESSION TAG SEQADV 3PP1 HIS A 387 UNP Q02750 EXPRESSION TAG SEQADV 3PP1 HIS A 388 UNP Q02750 EXPRESSION TAG SEQRES 1 A 328 MET GLU LEU LYS ASP ASP ASP PHE GLU LYS ILE SER GLU SEQRES 2 A 328 LEU GLY ALA GLY ASN GLY GLY VAL VAL PHE LYS VAL SER SEQRES 3 A 328 HIS LYS PRO SER GLY LEU VAL MET ALA ARG LYS LEU ILE SEQRES 4 A 328 HIS LEU GLU ILE LYS PRO ALA ILE ARG ASN GLN ILE ILE SEQRES 5 A 328 ARG GLU LEU GLN VAL LEU HIS GLU CYS ASN SER PRO TYR SEQRES 6 A 328 ILE VAL GLY PHE TYR GLY ALA PHE TYR SER ASP GLY GLU SEQRES 7 A 328 ILE SER ILE CYS MET GLU HIS MET ASP GLY GLY SER LEU SEQRES 8 A 328 ASP GLN VAL LEU LYS LYS ALA GLY ARG ILE PRO GLU GLN SEQRES 9 A 328 ILE LEU GLY LYS VAL SER ILE ALA VAL ILE LYS GLY LEU SEQRES 10 A 328 THR TYR LEU ARG GLU LYS HIS LYS ILE MET HIS ARG ASP SEQRES 11 A 328 VAL LYS PRO SER ASN ILE LEU VAL ASN SER ARG GLY GLU SEQRES 12 A 328 ILE LYS LEU CYS ASP PHE GLY VAL SER GLY GLN LEU ILE SEQRES 13 A 328 ASP SER MET ALA ASN SER PHE VAL GLY THR ARG SER TYR SEQRES 14 A 328 MET SER PRO GLU ARG LEU GLN GLY THR HIS TYR SER VAL SEQRES 15 A 328 GLN SER ASP ILE TRP SER MET GLY LEU SER LEU VAL GLU SEQRES 16 A 328 MET ALA VAL GLY ARG TYR PRO ILE PRO PRO PRO ASP ALA SEQRES 17 A 328 LYS GLU LEU GLU LEU MET PHE GLY CYS GLN VAL GLU GLY SEQRES 18 A 328 ASP ALA ALA GLU THR PRO PRO ARG PRO ARG THR PRO GLY SEQRES 19 A 328 ARG PRO LEU SER SER TYR GLY MET ASP SER ARG PRO PRO SEQRES 20 A 328 MET ALA ILE PHE GLU LEU LEU ASP TYR ILE VAL ASN GLU SEQRES 21 A 328 PRO PRO PRO LYS LEU PRO SER GLY VAL PHE SER LEU GLU SEQRES 22 A 328 PHE GLN ASP PHE VAL ASN LYS CYS LEU ILE LYS ASN PRO SEQRES 23 A 328 ALA GLU ARG ALA ASP LEU LYS GLN LEU MET VAL HIS ALA SEQRES 24 A 328 PHE ILE LYS ARG SER ASP ALA GLU GLU VAL ASP PHE ALA SEQRES 25 A 328 GLY TRP LEU CYS SER THR ILE GLY LEU ASN HIS HIS HIS SEQRES 26 A 328 HIS HIS HIS HET ATP A 400 31 HET MG A 410 1 HET IZG A 500 28 HET ACT A 590 4 HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE HETNAM MG MAGNESIUM ION HETNAM IZG 3-[(2R)-2,3-DIHYDROXYPROPYL]-6-FLUORO-5-[(2-FLUORO-4- HETNAM 2 IZG IODOPHENYL)AMINO]-8-METHYLPYRIDO[2,3-D]PYRIMIDINE-4, HETNAM 3 IZG 7(3H,8H)-DIONE HETNAM ACT ACETATE ION FORMUL 2 ATP C10 H16 N5 O13 P3 FORMUL 3 MG MG 2+ FORMUL 4 IZG C17 H15 F2 I N4 O4 FORMUL 5 ACT C2 H3 O2 1- FORMUL 6 HOH *68(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 GLU A 120 5 4 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 ASP A 267 PHE A 275 1 9 HELIX 11 11 ALA A 309 GLU A 320 1 12 HELIX 12 12 SER A 331 LEU A 342 1 12 HELIX 13 13 ASP A 351 MET A 356 1 6 HELIX 14 14 HIS A 358 GLU A 367 1 10 HELIX 15 15 ASP A 370 GLY A 380 1 11 SHEET 1 A 5 PHE A 68 ALA A 76 0 SHEET 2 A 5 VAL A 81 HIS A 87 -1 O LYS A 84 N SER A 72 SHEET 3 A 5 VAL A 93 HIS A 100 -1 O LEU A 98 N VAL A 81 SHEET 4 A 5 GLU A 138 GLU A 144 -1 O ILE A 141 N LYS A 97 SHEET 5 A 5 PHE A 129 TYR A 134 -1 N TYR A 130 O CYS A 142 SHEET 1 B 2 ILE A 196 VAL A 198 0 SHEET 2 B 2 ILE A 204 LEU A 206 -1 O LYS A 205 N LEU A 197 LINK OD1 ASN A 195 MG MG A 410 1555 1555 2.32 LINK OD2 ASP A 208 MG MG A 410 1555 1555 2.17 LINK O1B ATP A 400 MG MG A 410 1555 1555 1.94 LINK O2A ATP A 400 MG MG A 410 1555 1555 2.14 LINK O2G ATP A 400 MG MG A 410 1555 1555 2.84 LINK MG MG A 410 O HOH A 669 1555 1555 2.38 CISPEP 1 ILE A 263 PRO A 264 0 1.20 SITE 1 AC1 18 GLY A 77 ASN A 78 GLY A 80 ALA A 95 SITE 2 AC1 18 LYS A 97 MET A 143 GLU A 144 MET A 146 SITE 3 AC1 18 SER A 150 GLN A 153 LYS A 192 SER A 194 SITE 4 AC1 18 ASN A 195 LEU A 197 ASP A 208 MG A 410 SITE 5 AC1 18 IZG A 500 HOH A 669 SITE 1 AC2 4 ASN A 195 ASP A 208 ATP A 400 HOH A 669 SITE 1 AC3 15 ASN A 78 GLY A 80 LYS A 97 LEU A 115 SITE 2 AC3 15 VAL A 127 ILE A 141 MET A 143 ASP A 208 SITE 3 AC3 15 PHE A 209 GLY A 210 VAL A 211 SER A 212 SITE 4 AC3 15 LEU A 215 ILE A 216 ATP A 400 SITE 1 AC4 5 GLU A 62 LEU A 63 GLN A 116 GLY A 131 SITE 2 AC4 5 ALA A 132 CRYST1 82.086 82.086 129.254 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 0.012182 0.007033 0.000000 0.00000 SCALE2 0.000000 0.014067 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007737 0.00000