HEADER TRANSFERASE 23-SEP-03 1R18 TITLE DROSOPHILA PROTEIN ISOASPARTYL METHYLTRANSFERASE WITH S-ADENOSYL-L- TITLE 2 HOMOCYSTEINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN-L-ISOASPARTATE(D-ASPARTATE)-O-METHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PROTEIN-BETA-ASPARTATE METHYLTRANSFERASE, PIMT, PROTEIN L- COMPND 5 ISOASPARTYL/D-ASPARTYL METHYLTRANSFERASE, L-ISOASPARTYL PROTEIN COMPND 6 CARBOXYL METHYLTRANSFERASE; COMPND 7 EC: 2.1.1.77; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 3 ORGANISM_COMMON: FRUIT FLY; SOURCE 4 ORGANISM_TAXID: 7227; SOURCE 5 GENE: PCMT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX2-T KEYWDS METHYLTRANSFERASE, ISOMERIZATION, PROTEIN REPAIR, S-ADENOSYL KEYWDS 2 HOMOCYSTEINE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR E.J.BENNETT,J.BJERREGAARD,J.E.KNAPP,D.A.CHAVOUS,A.M.FRIEDMAN, AUTHOR 2 W.E.ROYER JR.,C.M.O'CONNOR REVDAT 5 23-AUG-23 1R18 1 REMARK SEQADV REVDAT 4 11-OCT-17 1R18 1 REMARK REVDAT 3 13-JUL-11 1R18 1 VERSN REVDAT 2 24-FEB-09 1R18 1 VERSN REVDAT 1 09-DEC-03 1R18 0 JRNL AUTH E.J.BENNETT,J.BJERREGAARD,J.E.KNAPP,D.A.CHAVOUS, JRNL AUTH 2 A.M.FRIEDMAN,W.E.ROYER JR.,C.M.O'CONNOR JRNL TITL CATALYTIC IMPLICATIONS FROM THE DROSOPHILA PROTEIN JRNL TITL 2 L-ISOASPARTYL METHYLTRANSFERASE STRUCTURE AND SITE-DIRECTED JRNL TITL 3 MUTAGENESIS. JRNL REF BIOCHEMISTRY V. 42 12844 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 14596598 JRNL DOI 10.1021/BI034891+ REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.D.SMITH,M.CARSON,A.M.FRIEDMAN,M.M.SKINNER,L.DELUCAS, REMARK 1 AUTH 2 L.CHANTALAT,L.WEISE,T.SHIRASAWA,D.CHATTOPADHYAY REMARK 1 TITL CRYSTAL STRUCTURE OF HUMAN REMARK 1 TITL 2 L-ISOASPARTYL-O-METHYL-TRANSFERASE WITH S-ADENOSYL REMARK 1 TITL 3 HOMOCYSTEINE AT 1.6A RESOLUTION AND MODELING OF AN REMARK 1 TITL 4 ISOASPARTYL-CONTAINING PEPTIDE AT THE ACTIVE SITE REMARK 1 REF PROTEIN SCI. V. 11 625 2002 REMARK 1 REFN ISSN 0961-8368 REMARK 1 DOI 10.1110/PS.37802 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.6 REMARK 3 NUMBER OF REFLECTIONS : 8636 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 SET) : 0.194 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.500 REMARK 3 FREE R VALUE TEST SET COUNT : 477 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.28 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 59.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 557 REMARK 3 BIN R VALUE (WORKING SET) : 0.2290 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 35 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.043 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1696 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 77 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.49000 REMARK 3 B22 (A**2) : 2.59000 REMARK 3 B33 (A**2) : -4.07000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.83000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.23 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.010 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 55.12 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : LIGANDHIC.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : LIGANDHIC.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1R18 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-03. REMARK 100 THE DEPOSITION ID IS D_1000020316. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-02 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8636 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.0 REMARK 200 DATA REDUNDANCY : 1.700 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : 0.08800 REMARK 200 FOR THE DATA SET : 11.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.30 REMARK 200 R MERGE FOR SHELL (I) : 0.23200 REMARK 200 R SYM FOR SHELL (I) : 0.23200 REMARK 200 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: AMORE REMARK 200 STARTING MODEL: HUMAN PIMT (PDB CODE 1I1N) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM TRIS, 35% V/V ETHANOL, PH 7.5, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z 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 36.03500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.62500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.03500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.62500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: 3630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 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 58.39816 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 59.69438 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 -5 REMARK 465 SER A -4 REMARK 465 PRO A -3 REMARK 465 GLY A -2 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 ILE A -1 CG1 CG2 CD1 REMARK 470 HIS A 0 CG ND1 CD2 CE1 NE2 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ASP A 191 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 4 CG CD NE CZ NH1 NH2 REMARK 480 ARG A 43 CG CD NE CZ NH1 NH2 REMARK 480 SER A 194 OG 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 60 156.36 -49.42 REMARK 500 TYR A 152 84.82 -151.44 REMARK 500 ASP A 169 -173.87 -170.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 343 REMARK 615 HOH A 363 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I1N RELATED DB: PDB REMARK 900 HUMAN PIMT WITH ADOHCY REMARK 900 RELATED ID: 1JG1 RELATED DB: PDB REMARK 900 PYROCOCCUS FURIOSUS PIMT WITH ADOHCY REMARK 900 RELATED ID: 1JG3 RELATED DB: PDB REMARK 900 PYROCOCCUS FURIOSUS PIMT WITH ADENOSINE AND PEPTIDE SUBSTRATE REMARK 900 RELATED ID: 1DL5 RELATED DB: PDB REMARK 900 THERMOTOGA MARITIMA PIMT WITH ADOHCY DBREF 1R18 A 1 221 UNP Q27869 PIMT_DROME 1 221 SEQADV 1R18 GLY A -5 UNP Q27869 CLONING ARTIFACT SEQADV 1R18 SER A -4 UNP Q27869 CLONING ARTIFACT SEQADV 1R18 PRO A -3 UNP Q27869 CLONING ARTIFACT SEQADV 1R18 GLY A -2 UNP Q27869 CLONING ARTIFACT SEQADV 1R18 ILE A -1 UNP Q27869 CLONING ARTIFACT SEQADV 1R18 HIS A 0 UNP Q27869 CLONING ARTIFACT SEQRES 1 A 227 GLY SER PRO GLY ILE HIS MET ALA TRP ARG SER VAL GLY SEQRES 2 A 227 ALA ASN ASN GLU ASP LEU ILE ARG GLN LEU LYS ASP HIS SEQRES 3 A 227 GLY VAL ILE ALA SER ASP ALA VAL ALA GLN ALA MET LYS SEQRES 4 A 227 GLU THR ASP ARG LYS HIS TYR SER PRO ARG ASN PRO TYR SEQRES 5 A 227 MET ASP ALA PRO GLN PRO ILE GLY GLY GLY VAL THR ILE SEQRES 6 A 227 SER ALA PRO HIS MET HIS ALA PHE ALA LEU GLU TYR LEU SEQRES 7 A 227 ARG ASP HIS LEU LYS PRO GLY ALA ARG ILE LEU ASP VAL SEQRES 8 A 227 GLY SER GLY SER GLY TYR LEU THR ALA CYS PHE TYR ARG SEQRES 9 A 227 TYR ILE LYS ALA LYS GLY VAL ASP ALA ASP THR ARG ILE SEQRES 10 A 227 VAL GLY ILE GLU HIS GLN ALA GLU LEU VAL ARG ARG SER SEQRES 11 A 227 LYS ALA ASN LEU ASN THR ASP ASP ARG SER MET LEU ASP SEQRES 12 A 227 SER GLY GLN LEU LEU ILE VAL GLU GLY ASP GLY ARG LYS SEQRES 13 A 227 GLY TYR PRO PRO ASN ALA PRO TYR ASN ALA ILE HIS VAL SEQRES 14 A 227 GLY ALA ALA ALA PRO ASP THR PRO THR GLU LEU ILE ASN SEQRES 15 A 227 GLN LEU ALA SER GLY GLY ARG LEU ILE VAL PRO VAL GLY SEQRES 16 A 227 PRO ASP GLY GLY SER GLN TYR MET GLN GLN TYR ASP LYS SEQRES 17 A 227 ASP ALA ASN GLY LYS VAL GLU MET THR ARG LEU MET GLY SEQRES 18 A 227 VAL MET TYR VAL PRO LEU HET SAH A 300 26 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 HOH *77(H2 O) HELIX 1 1 ASN A 9 HIS A 20 1 12 HELIX 2 2 SER A 25 GLU A 34 1 10 HELIX 3 3 ASP A 36 TYR A 40 5 5 HELIX 4 4 ALA A 61 LEU A 72 1 12 HELIX 5 5 GLY A 90 LYS A 103 1 14 HELIX 6 6 GLN A 117 ARG A 133 1 17 HELIX 7 7 ARG A 133 SER A 138 1 6 HELIX 8 8 ASP A 147 GLY A 151 5 5 HELIX 9 9 TYR A 152 ALA A 156 5 5 HELIX 10 10 PRO A 171 GLN A 177 1 7 SHEET 1 A 2 GLN A 51 GLY A 54 0 SHEET 2 A 2 VAL A 57 ILE A 59 -1 O ILE A 59 N GLN A 51 SHEET 1 B 7 LEU A 141 GLU A 145 0 SHEET 2 B 7 ARG A 110 GLU A 115 1 N GLY A 113 O LEU A 142 SHEET 3 B 7 ARG A 81 VAL A 85 1 N ILE A 82 O VAL A 112 SHEET 4 B 7 TYR A 158 VAL A 163 1 O HIS A 162 N LEU A 83 SHEET 5 B 7 LEU A 178 VAL A 188 1 O ILE A 185 N ILE A 161 SHEET 6 B 7 GLN A 195 LYS A 202 -1 O GLN A 198 N VAL A 186 SHEET 7 B 7 VAL A 208 VAL A 216 -1 O THR A 211 N GLN A 199 CISPEP 1 ALA A 156 PRO A 157 0 -0.30 SITE 1 AC1 18 THR A 58 ILE A 59 HIS A 65 GLY A 86 SITE 2 AC1 18 SER A 87 GLY A 88 SER A 89 ILE A 114 SITE 3 AC1 18 GLU A 115 HIS A 116 GLN A 117 LEU A 120 SITE 4 AC1 18 GLY A 146 ASP A 147 GLY A 148 ALA A 165 SITE 5 AC1 18 HOH A 302 HOH A 304 CRYST1 72.070 45.250 61.240 90.00 102.90 90.00 C 1 2 1 4 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 0.013875 0.000000 0.003178 0.00000 SCALE2 0.000000 0.022099 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016752 0.00000