HEADER TRANSFERASE 30-SEP-08 3EQF TITLE X-RAY STRUCTURE OF THE HUMAN MITOGEN-ACTIVATED PROTEIN KINASE KINASE 1 TITLE 2 (MEK1) IN A BINARY COMPLEX WITH K252A AND MG2P 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, UNP RESIDUES 35-393; COMPND 5 SYNONYM: MAP KINASE KINASE 1, MAPKK 1, ERK ACTIVATOR KINASE 1, COMPND 6 MAPK/ERK KINASE 1, MEK1; 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 GENE: MAP2K1, MEK1, PRKMK1 KEYWDS MEK1 KINASE, ATP-BINDING, DISEASE MUTATION, KINASE, NUCLEOTIDE- KEYWDS 2 BINDING, PHOSPHOPROTEIN, SERINE/THREONINE-PROTEIN KINASE, KEYWDS 3 TRANSFERASE, TYROSINE-PROTEIN KINASE EXPDTA X-RAY DIFFRACTION AUTHOR T.O.FISCHMANN REVDAT 5 21-FEB-24 3EQF 1 REMARK REVDAT 4 20-OCT-21 3EQF 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 3EQF 1 VERSN REVDAT 2 15-SEP-09 3EQF 1 JRNL REVDAT 1 24-FEB-09 3EQF 0 JRNL AUTH T.O.FISCHMANN,C.K.SMITH,T.W.MAYHOOD,J.E.MYERS,P.REICHERT, JRNL AUTH 2 A.MANNARINO,D.CARR,H.ZHU,J.WONG,R.S.YANG,H.V.LE,V.S.MADISON JRNL TITL CRYSTAL STRUCTURES OF MEK1 BINARY AND TERNARY COMPLEXES WITH JRNL TITL 2 NUCLEOTIDES AND INHIBITORS. JRNL REF BIOCHEMISTRY V. 48 2661 2009 JRNL REFN ISSN 0006-2960 JRNL PMID 19161339 JRNL DOI 10.1021/BI801898E REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 5.0 REMARK 3 NUMBER OF REFLECTIONS : 11672 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.318 REMARK 3 R VALUE (WORKING SET) : 0.254 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2570 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 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 11805 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2462 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 8 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : NULL ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3EQF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-08. REMARK 100 THE DEPOSITION ID IS D_1000049646. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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-E 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 : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11748 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 (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 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 (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.47600 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: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-CL, PH 8.0; 18% PEG 4000; REMARK 280 0.2M CALCIUM CHLORIDE; 3% DMSO, VAPOR DIFFUSION HANGING DROP, REMARK 280 TEMPERATURE 281K, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 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 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-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 74.33000 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 148.66000 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 111.49500 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 185.82500 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 37.16500 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 74.33000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 148.66000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 185.82500 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 111.49500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 37.16500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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: 3090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -79.0 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 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 111.49500 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 CA CA A 5 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 34 REMARK 465 LYS A 35 REMARK 465 LYS A 36 REMARK 465 LEU A 37 REMARK 465 GLU A 38 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 ASN A 298 REMARK 465 LYS A 299 REMARK 465 PHE 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 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 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 CYS A 277 C O CB SG REMARK 470 LEU A 381 C O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD1 ASP A 66 OD1 ASP A 66 11555 2.14 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 SER A 72 169.37 172.66 REMARK 500 PRO A 124 1.58 -62.71 REMARK 500 SER A 135 123.81 179.75 REMARK 500 LYS A 185 51.11 38.65 REMARK 500 ASP A 190 72.70 -155.12 REMARK 500 ASP A 208 34.98 80.11 REMARK 500 VAL A 211 -12.36 -146.10 REMARK 500 ASN A 221 -96.27 -50.30 REMARK 500 SER A 228 -9.61 -59.57 REMARK 500 LEU A 235 20.20 -72.31 REMARK 500 GLN A 236 19.75 -150.17 REMARK 500 SER A 241 -149.27 -136.77 REMARK 500 PRO A 262 35.03 -80.84 REMARK 500 ASP A 267 -177.92 -61.87 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 CA A 5 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD1 REMARK 620 2 ASP A 65 OD2 8.7 REMARK 620 3 ASP A 66 OD1 89.0 95.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 6 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD1 REMARK 620 2 ASP A 65 OD2 50.3 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE KSA A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 6 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3EQC RELATED DB: PDB REMARK 900 RELATED ID: 3EQD RELATED DB: PDB REMARK 900 RELATED ID: 3EQG RELATED DB: PDB REMARK 900 RELATED ID: 3EQH RELATED DB: PDB REMARK 900 RELATED ID: 3EQI RELATED DB: PDB DBREF 3EQF A 35 393 UNP Q02750 MP2K1_HUMAN 35 393 SEQADV 3EQF GLY A 34 UNP Q02750 EXPRESSION TAG SEQADV 3EQF ASN A 298 UNP Q02750 SER 298 ENGINEERED MUTATION SEQADV 3EQF LYS A 299 UNP Q02750 SER 299 ENGINEERED MUTATION SEQADV 3EQF PHE A 300 UNP Q02750 TYR 300 ENGINEERED MUTATION SEQRES 1 A 360 GLY LYS LYS LEU GLU GLU LEU GLU LEU ASP GLU GLN GLN SEQRES 2 A 360 ARG LYS ARG LEU GLU ALA PHE LEU THR GLN LYS GLN LYS SEQRES 3 A 360 VAL GLY GLU LEU LYS ASP ASP ASP PHE GLU LYS ILE SER SEQRES 4 A 360 GLU LEU GLY ALA GLY ASN GLY GLY VAL VAL PHE LYS VAL SEQRES 5 A 360 SER HIS LYS PRO SER GLY LEU VAL MET ALA ARG LYS LEU SEQRES 6 A 360 ILE HIS LEU GLU ILE LYS PRO ALA ILE ARG ASN GLN ILE SEQRES 7 A 360 ILE ARG GLU LEU GLN VAL LEU HIS GLU CYS ASN SER PRO SEQRES 8 A 360 TYR ILE VAL GLY PHE TYR GLY ALA PHE TYR SER ASP GLY SEQRES 9 A 360 GLU ILE SER ILE CYS MET GLU HIS MET ASP GLY GLY SER SEQRES 10 A 360 LEU ASP GLN VAL LEU LYS LYS ALA GLY ARG ILE PRO GLU SEQRES 11 A 360 GLN ILE LEU GLY LYS VAL SER ILE ALA VAL ILE LYS GLY SEQRES 12 A 360 LEU THR TYR LEU ARG GLU LYS HIS LYS ILE MET HIS ARG SEQRES 13 A 360 ASP VAL LYS PRO SER ASN ILE LEU VAL ASN SER ARG GLY SEQRES 14 A 360 GLU ILE LYS LEU CYS ASP PHE GLY VAL SER GLY GLN LEU SEQRES 15 A 360 ILE ASP SER MET ALA ASN SER PHE VAL GLY THR ARG SER SEQRES 16 A 360 TYR MET SER PRO GLU ARG LEU GLN GLY THR HIS TYR SER SEQRES 17 A 360 VAL GLN SER ASP ILE TRP SER MET GLY LEU SER LEU VAL SEQRES 18 A 360 GLU MET ALA VAL GLY ARG TYR PRO ILE PRO PRO PRO ASP SEQRES 19 A 360 ALA LYS GLU LEU GLU LEU MET PHE GLY CYS GLN VAL GLU SEQRES 20 A 360 GLY ASP ALA ALA GLU THR PRO PRO ARG PRO ARG THR PRO SEQRES 21 A 360 GLY ARG PRO LEU ASN LYS PHE GLY MET ASP SER ARG PRO SEQRES 22 A 360 PRO MET ALA ILE PHE GLU LEU LEU ASP TYR ILE VAL ASN SEQRES 23 A 360 GLU PRO PRO PRO LYS LEU PRO SER GLY VAL PHE SER LEU SEQRES 24 A 360 GLU PHE GLN ASP PHE VAL ASN LYS CYS LEU ILE LYS ASN SEQRES 25 A 360 PRO ALA GLU ARG ALA ASP LEU LYS GLN LEU MET VAL HIS SEQRES 26 A 360 ALA PHE ILE LYS ARG SER ASP ALA GLU GLU VAL ASP PHE SEQRES 27 A 360 ALA GLY TRP LEU CYS SER THR ILE GLY LEU ASN GLN PRO SEQRES 28 A 360 SER THR PRO THR HIS ALA ALA GLY VAL HET KSA A 1 35 HET MG A 3 1 HET CA A 5 1 HET NA A 6 1 HETNAM KSA K-252A HETNAM MG MAGNESIUM ION HETNAM CA CALCIUM ION HETNAM NA SODIUM ION FORMUL 2 KSA C27 H21 N3 O5 FORMUL 3 MG MG 2+ FORMUL 4 CA CA 2+ FORMUL 5 NA NA 1+ FORMUL 6 HOH *8(H2 O) HELIX 1 1 ASP A 43 GLY A 61 1 19 HELIX 2 2 LYS A 64 ASP A 66 5 3 HELIX 3 3 LYS A 104 GLN A 116 1 13 HELIX 4 4 VAL A 117 CYS A 121 5 5 HELIX 5 5 LEU A 151 GLY A 159 1 9 HELIX 6 6 PRO A 162 LYS A 183 1 22 HELIX 7 7 LYS A 192 SER A 194 5 3 HELIX 8 8 SER A 212 ALA A 220 1 9 HELIX 9 9 GLU A 233 GLY A 237 5 5 HELIX 10 10 SER A 241 GLY A 259 1 19 HELIX 11 11 ASP A 267 PHE A 275 1 9 HELIX 12 12 ALA A 309 ILE A 317 1 9 HELIX 13 13 SER A 331 LYS A 340 1 10 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 A 5 PHE A 68 GLY A 75 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 139 N ILE A 99 SHEET 5 A 5 PHE A 129 SER A 135 -1 N PHE A 133 O SER A 140 SHEET 1 B 3 GLY A 149 SER A 150 0 SHEET 2 B 3 ILE A 196 VAL A 198 -1 O VAL A 198 N GLY A 149 SHEET 3 B 3 ILE A 204 LEU A 206 -1 O LYS A 205 N LEU A 197 LINK MG MG A 3 OD2 ASP A 190 1555 1555 2.28 LINK CA CA A 5 OD1 ASP A 65 1555 1555 4.52 LINK CA CA A 5 OD2 ASP A 65 1555 1555 2.39 LINK CA CA A 5 OD1 ASP A 66 1555 1555 2.92 LINK NA NA A 6 OD1 ASP A 65 1555 1555 2.35 LINK NA NA A 6 OD2 ASP A 65 1555 1555 2.72 CISPEP 1 ILE A 263 PRO A 264 0 -0.07 SITE 1 AC1 15 LEU A 74 GLY A 75 ALA A 76 GLY A 77 SITE 2 AC1 15 VAL A 82 ALA A 95 LYS A 97 MET A 143 SITE 3 AC1 15 GLU A 144 HIS A 145 MET A 146 GLY A 149 SITE 4 AC1 15 GLN A 153 SER A 194 LEU A 197 SITE 1 AC2 2 ASP A 190 ASP A 208 SITE 1 AC3 2 ASP A 65 ASP A 66 SITE 1 AC4 2 ASP A 65 ASP A 66 CRYST1 78.160 78.160 222.990 90.00 90.00 120.00 P 61 2 2 12 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 0.012794 0.007387 0.000000 0.00000 SCALE2 0.000000 0.014774 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004485 0.00000