HEADER HYDROLASE 10-FEB-14 4OY3 TITLE CRYSTAL STRUCTURE OF THE HELICOBACTER PYLORI MTAN-D198N MUTANT WITH S- TITLE 2 ADENOSYLHOMOCYSTEINE IN THE ACTIVE SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: AMINODEOXYFUTALOSINE NUCLEOSIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 2-230; COMPND 5 SYNONYM: AMINOFUTALOSINE NUCLEOSIDASE,5'-METHYLTHIOADENOSINE/S- COMPND 6 ADENOSYLHOMOCYSTEINE NUCLEOSIDASE,MTAN,6-AMINO-6-DEOXYFUTALOSINE N- COMPND 7 RIBOSYLHYDROLASE; COMPND 8 EC: 3.2.2.30,3.2.2.9; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HELICOBACTER PYLORI; SOURCE 3 ORGANISM_TAXID: 85963; SOURCE 4 STRAIN: J99 / ATCC 700824; SOURCE 5 GENE: MTNN, MTN, JHP_0082; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; 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: PET32 KEYWDS HOMODIMER, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR V.MISHRA,D.R.RONNING REVDAT 2 27-DEC-23 4OY3 1 SOURCE REMARK REVDAT 1 17-DEC-14 4OY3 0 JRNL AUTH V.MISHRA,D.R.RONNING JRNL TITL CRYSTAL STRUCTURES OF THE HELICOBACTER PYLORI MTAN ENZYME JRNL TITL 2 REVEAL SPECIFIC INTERACTIONS BETWEEN S-ADENOSYLHOMOCYSTEINE JRNL TITL 3 AND THE 5'-ALKYLTHIO BINDING SUBSITE. JRNL REF BIOCHEMISTRY V. 51 9763 2012 JRNL REFN ISSN 0006-2960 JRNL PMID 23148563 JRNL DOI 10.1021/BI301221K REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: DEV_1839) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.02 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 3 NUMBER OF REFLECTIONS : 75260 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.130 REMARK 3 R VALUE (WORKING SET) : 0.130 REMARK 3 FREE R VALUE : 0.145 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.660 REMARK 3 FREE R VALUE TEST SET COUNT : 2003 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 22.0227 - 2.8904 0.91 5235 146 0.1520 0.1606 REMARK 3 2 2.8904 - 2.2950 0.99 5509 151 0.1436 0.1476 REMARK 3 3 2.2950 - 2.0051 0.98 5426 149 0.1244 0.1291 REMARK 3 4 2.0051 - 1.8219 0.98 5366 147 0.1266 0.1428 REMARK 3 5 1.8219 - 1.6913 0.97 5344 146 0.1235 0.1332 REMARK 3 6 1.6913 - 1.5916 0.96 5271 144 0.1081 0.1407 REMARK 3 7 1.5916 - 1.5119 0.96 5273 142 0.1036 0.1350 REMARK 3 8 1.5119 - 1.4461 0.95 5205 144 0.1015 0.1308 REMARK 3 9 1.4461 - 1.3905 0.95 5163 144 0.1081 0.1377 REMARK 3 10 1.3905 - 1.3425 0.94 5143 141 0.1137 0.1579 REMARK 3 11 1.3425 - 1.3005 0.94 5126 142 0.1100 0.1421 REMARK 3 12 1.3005 - 1.2634 0.93 5064 135 0.1107 0.1800 REMARK 3 13 1.2634 - 1.2301 0.93 5088 136 0.1095 0.1306 REMARK 3 14 1.2301 - 1.2000 0.92 5044 136 0.1106 0.1361 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.080 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.480 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.011 1897 REMARK 3 ANGLE : 1.390 2577 REMARK 3 CHIRALITY : 0.060 303 REMARK 3 PLANARITY : 0.007 327 REMARK 3 DIHEDRAL : 16.116 716 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4OY3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-FEB-14. REMARK 100 THE DEPOSITION ID IS D_1000200229. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-NOV-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.078 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 75266 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 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 (%) : 95.0 REMARK 200 DATA REDUNDANCY : 10.90 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.6 REMARK 200 DATA REDUNDANCY IN SHELL : 10.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT 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 (%): 51.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05 M MAGNESIUM CHLORIDE HEXAHYDRATE, REMARK 280 0.1 M HEPES PH 7.5 AND 30 % (V/V) PEG-MME 550., VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 44.79933 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 22.39967 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 22.39967 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 44.79933 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: 3800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -51.0 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 -0.500000 -0.866025 0.000000 121.09950 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 69.91683 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 44.79933 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 629 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 736 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 0 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 O HOH A 601 O HOH A 792 1.85 REMARK 500 O HOH A 918 O HOH A 925 1.92 REMARK 500 O HOH A 618 O HOH A 779 1.98 REMARK 500 O HOH A 603 O HOH A 626 2.02 REMARK 500 O HOH A 783 O HOH A 912 2.02 REMARK 500 O HOH A 601 O HOH A 675 2.02 REMARK 500 O HOH A 886 O HOH A 912 2.03 REMARK 500 O HOH A 852 O HOH A 912 2.09 REMARK 500 O HOH A 947 O HOH A 969 2.10 REMARK 500 O HOH A 601 O HOH A 644 2.13 REMARK 500 O HOH A 854 O HOH A 912 2.13 REMARK 500 O HOH A 798 O HOH A 912 2.13 REMARK 500 O HOH A 944 O HOH A 994 2.14 REMARK 500 O HOH A 625 O HOH A 912 2.14 REMARK 500 O HOH A 635 O HOH A 709 2.16 REMARK 500 O HOH A 631 O HOH A 694 2.18 REMARK 500 OE1 GLN A 184 O HOH A 601 2.19 REMARK 500 O HOH A 851 O HOH A 882 2.19 REMARK 500 O HOH A 957 O HOH A 967 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 O HOH A 603 O HOH A 651 6764 2.06 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 51 160.95 82.58 REMARK 500 ASN A 89 -13.14 85.13 REMARK 500 SER A 117 -149.56 -138.81 REMARK 500 ASP A 151 30.13 -96.40 REMARK 500 HIS A 155 46.44 -152.99 REMARK 500 GLU A 173 -169.13 -161.03 REMARK 500 ASP A 201 -166.46 -114.23 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 A 900 DISTANCE = 6.38 ANGSTROMS REMARK 525 HOH A 955 DISTANCE = 6.06 ANGSTROMS REMARK 525 HOH A 979 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH A 990 DISTANCE = 6.92 ANGSTROMS REMARK 525 HOH A 999 DISTANCE = 5.81 ANGSTROMS REMARK 525 HOH A1005 DISTANCE = 6.58 ANGSTROMS 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3NM4 RELATED DB: PDB REMARK 900 RELATED ID: 3NM5 RELATED DB: PDB REMARK 900 RELATED ID: 3NM6 RELATED DB: PDB DBREF 4OY3 A 2 230 UNP Q9ZMY2 MQMTN_HELPJ 2 230 SEQADV 4OY3 MET A 0 UNP Q9ZMY2 INITIATING METHIONINE SEQADV 4OY3 GLY A 1 UNP Q9ZMY2 EXPRESSION TAG SEQADV 4OY3 ASN A 198 UNP Q9ZMY2 ASP 198 ENGINEERED MUTATION SEQRES 1 A 231 MET GLY GLN LYS ILE GLY ILE LEU GLY ALA MET ARG GLU SEQRES 2 A 231 GLU ILE THR PRO ILE LEU GLU LEU PHE GLY VAL ASP PHE SEQRES 3 A 231 GLU GLU ILE PRO LEU GLY GLY ASN VAL PHE HIS LYS GLY SEQRES 4 A 231 VAL TYR HIS ASN LYS GLU ILE ILE VAL ALA TYR SER LYS SEQRES 5 A 231 ILE GLY LYS VAL HIS SER THR LEU THR THR THR SER MET SEQRES 6 A 231 ILE LEU ALA PHE GLY VAL GLN LYS VAL LEU PHE SER GLY SEQRES 7 A 231 VAL ALA GLY SER LEU VAL LYS ASP LEU LYS ILE ASN ASP SEQRES 8 A 231 LEU LEU VAL ALA THR GLN LEU VAL GLN HIS ASP VAL ASP SEQRES 9 A 231 LEU SER ALA PHE ASP HIS PRO LEU GLY PHE ILE PRO GLU SEQRES 10 A 231 SER ALA ILE PHE ILE GLU THR SER GLY SER LEU ASN ALA SEQRES 11 A 231 LEU ALA LYS LYS ILE ALA ASN GLU GLN HIS ILE ALA LEU SEQRES 12 A 231 LYS GLU GLY VAL ILE ALA SER GLY ASP GLN PHE VAL HIS SEQRES 13 A 231 SER LYS GLU ARG LYS GLU PHE LEU VAL SER GLU PHE LYS SEQRES 14 A 231 ALA SER ALA VAL GLU MET GLU GLY ALA SER VAL ALA PHE SEQRES 15 A 231 VAL CYS GLN LYS PHE GLY VAL PRO CYS CYS VAL LEU ARG SEQRES 16 A 231 SER ILE SER ASN ASN ALA ASP GLU LYS ALA GLY MET SER SEQRES 17 A 231 PHE ASP GLU PHE LEU GLU LYS SER ALA HIS THR SER ALA SEQRES 18 A 231 LYS PHE LEU LYS SER MET VAL ASP GLU LEU HET SAH A 501 26 HET CL A 502 1 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM CL CHLORIDE ION FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 CL CL 1- FORMUL 4 HOH *416(H2 O) HELIX 1 AA1 MET A 10 GLY A 22 1 13 HELIX 2 AA2 GLY A 53 GLY A 69 1 17 HELIX 3 AA3 LEU A 104 ASP A 108 5 5 HELIX 4 AA4 SER A 124 HIS A 139 1 16 HELIX 5 AA5 SER A 156 LYS A 168 1 13 HELIX 6 AA6 GLU A 175 GLY A 187 1 13 HELIX 7 AA7 LYS A 203 ASP A 228 1 26 SHEET 1 AA1 9 GLU A 26 LEU A 30 0 SHEET 2 AA1 9 ASN A 33 TYR A 40 -1 O PHE A 35 N ILE A 28 SHEET 3 AA1 9 LYS A 43 TYR A 49 -1 O VAL A 47 N HIS A 36 SHEET 4 AA1 9 ILE A 4 GLY A 8 1 N ILE A 6 O ILE A 46 SHEET 5 AA1 9 LYS A 72 SER A 81 1 O LYS A 72 N GLY A 5 SHEET 6 AA1 9 ALA A 169 GLU A 173 -1 O VAL A 172 N GLY A 80 SHEET 7 AA1 9 LYS A 143 SER A 149 1 N VAL A 146 O SER A 170 SHEET 8 AA1 9 LEU A 91 GLN A 99 1 N VAL A 98 O SER A 149 SHEET 9 AA1 9 ILE A 121 GLU A 122 -1 O ILE A 121 N LEU A 97 SHEET 1 AA2 8 GLU A 26 LEU A 30 0 SHEET 2 AA2 8 ASN A 33 TYR A 40 -1 O PHE A 35 N ILE A 28 SHEET 3 AA2 8 LYS A 43 TYR A 49 -1 O VAL A 47 N HIS A 36 SHEET 4 AA2 8 ILE A 4 GLY A 8 1 N ILE A 6 O ILE A 46 SHEET 5 AA2 8 LYS A 72 SER A 81 1 O LYS A 72 N GLY A 5 SHEET 6 AA2 8 CYS A 190 ASN A 198 1 O CYS A 191 N PHE A 75 SHEET 7 AA2 8 LEU A 91 GLN A 99 -1 N LEU A 92 O ARG A 194 SHEET 8 AA2 8 ILE A 121 GLU A 122 -1 O ILE A 121 N LEU A 97 SITE 1 AC1 22 ALA A 9 MET A 10 VAL A 78 ALA A 79 SITE 2 AC1 22 GLY A 80 PHE A 107 HIS A 109 PRO A 115 SITE 3 AC1 22 GLN A 152 PHE A 153 VAL A 154 GLU A 173 SITE 4 AC1 22 MET A 174 GLU A 175 ARG A 194 ASN A 198 SITE 5 AC1 22 PHE A 208 HOH A 625 HOH A 630 HOH A 632 SITE 6 AC1 22 HOH A 760 HOH A 783 SITE 1 AC2 3 HIS A 155 SER A 156 HOH A 698 CRYST1 80.733 80.733 67.199 90.00 90.00 120.00 P 32 2 1 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 0.012387 0.007151 0.000000 0.00000 SCALE2 0.000000 0.014303 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014881 0.00000