HEADER TRANSFERASE 05-DEC-23 8XAR TITLE STRUCTURE-BASED DESIGN AND OPTIMIZATION OF METHIONINE TITLE 2 ADENOSYLTRANSFERASE 2A (MAT2A) INHIBITORS WITH SAM AND COMPOUND 54 COMPND MOL_ID: 1; COMPND 2 MOLECULE: S-ADENOSYLMETHIONINE SYNTHASE ISOFORM TYPE-2; COMPND 3 CHAIN: A; COMPND 4 EC: 2.5.1.6; COMPND 5 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: MAT2A; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS TRANSFERASE, ONE-CARBON METABOLISM, METAL-BINDING, INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.Y.ZHENG,G.P.ZHANG,J.J.LI,S.L.TONG REVDAT 1 26-JUN-24 8XAR 0 JRNL AUTH J.ZHENG,T.ZHANG,S.TONG,T.LIU,J.CUI,H.XU,D.HU,Y.SHEN,Y.YIN, JRNL AUTH 2 D.ZHAO,C.TAN,X.DONG,J.CHEN,F.JI,C.TONG,J.J.LI,J.LI,G.ZHANG JRNL TITL STRUCTURE-BASED DESIGN AND OPTIMIZATION OF METHIONINE JRNL TITL 2 ADENOSYLTRANSFERASE 2A (MAT2A) INHIBITORS WITH HIGH JRNL TITL 3 SELECTIVITY, BRAIN PENETRATION, AND IN VIVO EFFICACY. JRNL REF J.MED.CHEM. V. 67 9431 2024 JRNL REFN ISSN 0022-2623 JRNL PMID 38818879 JRNL DOI 10.1021/ACS.JMEDCHEM.4C00552 REMARK 2 REMARK 2 RESOLUTION. 1.19 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0419 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) : 1.19 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.12 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 111426 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) : 0.112 REMARK 3 R VALUE (WORKING SET) : 0.111 REMARK 3 FREE R VALUE : 0.130 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5822 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) : 1.19 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.22 REMARK 3 REFLECTION IN BIN (WORKING SET) : 7625 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.29 REMARK 3 BIN R VALUE (WORKING SET) : 0.2230 REMARK 3 BIN FREE R VALUE SET COUNT : 378 REMARK 3 BIN FREE R VALUE : 0.2270 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2954 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 65 REMARK 3 SOLVENT ATOMS : 534 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.30000 REMARK 3 B22 (A**2) : -1.23000 REMARK 3 B33 (A**2) : -2.06000 REMARK 3 B12 (A**2) : 0.00000 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): 0.030 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.030 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.462 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.987 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.984 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3430 ; 0.006 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 3275 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4687 ; 1.437 ; 1.675 REMARK 3 BOND ANGLES OTHERS (DEGREES): 7589 ; 0.499 ; 1.592 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 448 ; 6.835 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 24 ; 6.438 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 601 ;12.769 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 507 ; 0.076 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4175 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 770 ; 0.003 ; 0.020 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): 1702 ; 2.013 ; 1.125 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1702 ; 2.013 ; 1.125 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2180 ; 3.055 ; 2.030 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2181 ; 3.056 ; 2.030 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1728 ; 2.923 ; 1.318 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1729 ; 2.922 ; 1.319 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2508 ; 4.399 ; 2.336 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 4262 ;12.569 ;17.240 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 4010 ; 9.631 ;12.720 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 6705 ; 2.237 ; 3.000 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 8XAR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-DEC-23. REMARK 100 THE DEPOSITION ID IS D_1300042868. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-APR-22 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 : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97935 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 X 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 117262 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.190 REMARK 200 RESOLUTION RANGE LOW (A) : 47.120 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 13.20 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.19 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.21 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 12.40 REMARK 200 R MERGE FOR SHELL (I) : 1.31700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 7BHR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS PH 8.0; 0.2M LICL; 10% EG; REMARK 280 18%-22% PEG6000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 1.000000 0.000000 0.000000 34.09000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 47.08000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 58.56000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.09000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 47.08000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 58.56000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.09000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 47.08000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 58.56000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.09000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 47.08000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 58.56000 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 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 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 682 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 879 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 994 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 MET A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 GLU A -6 REMARK 465 ASN A -5 REMARK 465 LEU A -4 REMARK 465 TYR A -3 REMARK 465 PHE A -2 REMARK 465 GLN A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 ASN A 2 REMARK 465 GLY A 3 REMARK 465 GLN A 4 REMARK 465 LEU A 5 REMARK 465 ASN A 6 REMARK 465 GLY A 7 REMARK 465 PHE A 8 REMARK 465 HIS A 9 REMARK 465 GLU A 10 REMARK 465 ALA A 11 REMARK 465 PHE A 12 REMARK 465 ILE A 13 REMARK 465 GLU A 14 REMARK 465 GLU A 15 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 ILE A 198 -61.08 -107.61 REMARK 500 VAL A 226 -68.37 -107.87 REMARK 500 THR A 270 -102.61 -120.34 REMARK 500 ARG A 292 -60.88 -93.66 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 264 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1034 DISTANCE = 5.82 ANGSTROMS DBREF 8XAR A 1 395 UNP P31153 METK2_HUMAN 1 395 SEQADV 8XAR MET A -13 UNP P31153 INITIATING METHIONINE SEQADV 8XAR HIS A -12 UNP P31153 EXPRESSION TAG SEQADV 8XAR HIS A -11 UNP P31153 EXPRESSION TAG SEQADV 8XAR HIS A -10 UNP P31153 EXPRESSION TAG SEQADV 8XAR HIS A -9 UNP P31153 EXPRESSION TAG SEQADV 8XAR HIS A -8 UNP P31153 EXPRESSION TAG SEQADV 8XAR HIS A -7 UNP P31153 EXPRESSION TAG SEQADV 8XAR GLU A -6 UNP P31153 EXPRESSION TAG SEQADV 8XAR ASN A -5 UNP P31153 EXPRESSION TAG SEQADV 8XAR LEU A -4 UNP P31153 EXPRESSION TAG SEQADV 8XAR TYR A -3 UNP P31153 EXPRESSION TAG SEQADV 8XAR PHE A -2 UNP P31153 EXPRESSION TAG SEQADV 8XAR GLN A -1 UNP P31153 EXPRESSION TAG SEQADV 8XAR SER A 0 UNP P31153 EXPRESSION TAG SEQRES 1 A 409 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 A 409 SER MET ASN GLY GLN LEU ASN GLY PHE HIS GLU ALA PHE SEQRES 3 A 409 ILE GLU GLU GLY THR PHE LEU PHE THR SER GLU SER VAL SEQRES 4 A 409 GLY GLU GLY HIS PRO ASP LYS ILE CYS ASP GLN ILE SER SEQRES 5 A 409 ASP ALA VAL LEU ASP ALA HIS LEU GLN GLN ASP PRO ASP SEQRES 6 A 409 ALA LYS VAL ALA CYS GLU THR VAL ALA LYS THR GLY MET SEQRES 7 A 409 ILE LEU LEU ALA GLY GLU ILE THR SER ARG ALA ALA VAL SEQRES 8 A 409 ASP TYR GLN LYS VAL VAL ARG GLU ALA VAL LYS HIS ILE SEQRES 9 A 409 GLY TYR ASP ASP SER SER LYS GLY PHE ASP TYR LYS THR SEQRES 10 A 409 CYS ASN VAL LEU VAL ALA LEU GLU GLN GLN SER PRO ASP SEQRES 11 A 409 ILE ALA GLN GLY VAL HIS LEU ASP ARG ASN GLU GLU ASP SEQRES 12 A 409 ILE GLY ALA GLY ASP GLN GLY LEU MET PHE GLY TYR ALA SEQRES 13 A 409 THR ASP GLU THR GLU GLU CYS MET PRO LEU THR ILE VAL SEQRES 14 A 409 LEU ALA HIS LYS LEU ASN ALA LYS LEU ALA GLU LEU ARG SEQRES 15 A 409 ARG ASN GLY THR LEU PRO TRP LEU ARG PRO ASP SER LYS SEQRES 16 A 409 THR GLN VAL THR VAL GLN TYR MET GLN ASP ARG GLY ALA SEQRES 17 A 409 VAL LEU PRO ILE ARG VAL HIS THR ILE VAL ILE SER VAL SEQRES 18 A 409 GLN HIS ASP GLU GLU VAL CYS LEU ASP GLU MET ARG ASP SEQRES 19 A 409 ALA LEU LYS GLU LYS VAL ILE LYS ALA VAL VAL PRO ALA SEQRES 20 A 409 LYS TYR LEU ASP GLU ASP THR ILE TYR HIS LEU GLN PRO SEQRES 21 A 409 SER GLY ARG PHE VAL ILE GLY GLY PRO GLN GLY ASP ALA SEQRES 22 A 409 GLY LEU THR GLY ARG LYS ILE ILE VAL ASP THR TYR GLY SEQRES 23 A 409 GLY TRP GLY ALA HIS GLY GLY GLY ALA PHE SER GLY LYS SEQRES 24 A 409 ASP TYR THR LYS VAL ASP ARG SER ALA ALA TYR ALA ALA SEQRES 25 A 409 ARG TRP VAL ALA LYS SER LEU VAL LYS GLY GLY LEU CYS SEQRES 26 A 409 ARG ARG VAL LEU VAL GLN VAL SER TYR ALA ILE GLY VAL SEQRES 27 A 409 SER HIS PRO LEU SER ILE SER ILE PHE HIS TYR GLY THR SEQRES 28 A 409 SER GLN LYS SER GLU ARG GLU LEU LEU GLU ILE VAL LYS SEQRES 29 A 409 LYS ASN PHE ASP LEU ARG PRO GLY VAL ILE VAL ARG ASP SEQRES 30 A 409 LEU ASP LEU LYS LYS PRO ILE TYR GLN ARG THR ALA ALA SEQRES 31 A 409 TYR GLY HIS PHE GLY ARG ASP SER PHE PRO TRP GLU VAL SEQRES 32 A 409 PRO LYS LYS LEU LYS TYR HET YMW A 401 23 HET GOL A 402 6 HET SAM A 403 27 HET EDO A 404 4 HET EDO A 405 8 HET CL A 406 1 HETNAM YMW 7-CHLORANYL-2-ETHYL-5-PYRIDIN-3-YL-PYRAZOLO[3,4- HETNAM 2 YMW C]QUINOLIN-4-ONE HETNAM GOL GLYCEROL HETNAM SAM S-ADENOSYLMETHIONINE HETNAM EDO 1,2-ETHANEDIOL HETNAM CL CHLORIDE ION HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 2 YMW C17 H13 CL N4 O FORMUL 3 GOL C3 H8 O3 FORMUL 4 SAM C15 H22 N6 O5 S FORMUL 5 EDO 2(C2 H6 O2) FORMUL 7 CL CL 1- FORMUL 8 HOH *534(H2 O) HELIX 1 AA1 HIS A 29 ASP A 49 1 21 HELIX 2 AA2 ASP A 78 GLY A 91 1 14 HELIX 3 AA3 SER A 95 GLY A 98 5 4 HELIX 4 AA4 SER A 114 HIS A 122 1 9 HELIX 5 AA5 ASN A 126 ILE A 130 5 5 HELIX 6 AA6 PRO A 151 ASN A 170 1 20 HELIX 7 AA7 CYS A 214 LYS A 225 1 12 HELIX 8 AA8 VAL A 226 VAL A 231 1 6 HELIX 9 AA9 PRO A 232 LEU A 236 5 5 HELIX 10 AB1 GLY A 253 GLY A 257 5 5 HELIX 11 AB2 LYS A 289 GLY A 308 1 20 HELIX 12 AB3 SER A 341 PHE A 353 1 13 HELIX 13 AB4 ARG A 356 ASP A 365 1 10 HELIX 14 AB5 ILE A 370 ALA A 375 5 6 HELIX 15 AB6 PHE A 385 VAL A 389 5 5 SHEET 1 AA1 4 PHE A 18 VAL A 25 0 SHEET 2 AA1 4 LEU A 176 ASP A 191 -1 O TYR A 188 N PHE A 18 SHEET 3 AA1 4 ALA A 194 HIS A 209 -1 O ARG A 199 N GLN A 187 SHEET 4 AA1 4 ILE A 241 LEU A 244 1 O HIS A 243 N ILE A 203 SHEET 1 AA2 4 ASN A 105 GLU A 111 0 SHEET 2 AA2 4 MET A 64 THR A 72 1 N LEU A 67 O ALA A 109 SHEET 3 AA2 4 LYS A 53 LYS A 61 -1 N LYS A 61 O MET A 64 SHEET 4 AA2 4 GLY A 260 LEU A 261 -1 O GLY A 260 N ALA A 60 SHEET 1 AA3 2 ASP A 93 ASP A 94 0 SHEET 2 AA3 2 PHE A 99 ASP A 100 -1 O PHE A 99 N ASP A 94 SHEET 1 AA4 3 GLY A 136 THR A 143 0 SHEET 2 AA4 3 ARG A 313 TYR A 320 -1 O VAL A 316 N GLY A 140 SHEET 3 AA4 3 SER A 329 PHE A 333 -1 O PHE A 333 N LEU A 315 CRYST1 68.180 94.160 117.120 90.00 90.00 90.00 I 2 2 2 8 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 0.014667 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010620 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008538 0.00000