HEADER TRANSFERASE 03-JUL-09 3I53 TITLE CRYSTAL STRUCTURE OF AN O-METHYLTRANSFERASE (NCSB1) FROM TITLE 2 NEOCARZINOSTATIN BIOSYNTHESIS IN COMPLEX WITH S-ADENOSYL-L- TITLE 3 HOMOCYSTEINE (SAH) COMPND MOL_ID: 1; COMPND 2 MOLECULE: O-METHYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.1.1.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES CARZINOSTATICUS SUBSP. SOURCE 3 NEOCARZINOSTATICUS; SOURCE 4 ORGANISM_TAXID: 167636; SOURCE 5 ATCC: 15944; SOURCE 6 GENE: NCSB1; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: PET-30XA/LIC; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PBS5002 KEYWDS CO-COMPLEX, ROSSMANN-LIKE FOLD, METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR H.A.COOKE,S.D.BRUNER REVDAT 4 06-SEP-23 3I53 1 REMARK REVDAT 3 13-JUL-11 3I53 1 VERSN REVDAT 2 20-OCT-09 3I53 1 JRNL REVDAT 1 01-SEP-09 3I53 0 JRNL AUTH H.A.COOKE,E.L.GUENTHER,Y.LUO,B.SHEN,S.D.BRUNER JRNL TITL MOLECULAR BASIS OF SUBSTRATE PROMISCUITY FOR THE JRNL TITL 2 SAM-DEPENDENT O-METHYLTRANSFERASE NCSB1, INVOLVED IN THE JRNL TITL 3 BIOSYNTHESIS OF THE ENEDIYNE ANTITUMOR ANTIBIOTIC JRNL TITL 4 NEOCARZINOSTATIN. JRNL REF BIOCHEMISTRY V. 48 9590 2009 JRNL REFN ISSN 0006-2960 JRNL PMID 19702337 JRNL DOI 10.1021/BI901257Q REMARK 2 REMARK 2 RESOLUTION. 2.08 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.08 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 41442 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.240 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2071 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : 2.08 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.20 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3300 REMARK 3 BIN FREE R VALUE : 0.3270 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 296 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4572 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 58 REMARK 3 SOLVENT ATOMS : 305 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 46.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 21.91000 REMARK 3 B22 (A**2) : -8.92000 REMARK 3 B33 (A**2) : -13.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.00 REMARK 3 ESD FROM SIGMAA (A) : 0.39 REMARK 3 LOW RESOLUTION CUTOFF (A) : 3.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3I53 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUL-09. REMARK 100 THE DEPOSITION ID IS D_1000053974. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-NOV-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : SI(111) CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44038 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.080 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.800 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 32.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.40 REMARK 200 R MERGE FOR SHELL (I) : 0.34900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.400 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: PDB ENTRY 1TW2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.7 M SODIUM FORMATE, 10% GLYCEROL, 2 REMARK 280 MM SAH, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z 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 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 49.47200 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 49.47200 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 45.62650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 80.78400 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 45.62650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 80.78400 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 49.47200 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 45.62650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 80.78400 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 49.47200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 45.62650 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 80.78400 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 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: 5150 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.7 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 803 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 805 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 1 REMARK 465 GLY A 2 REMARK 465 LYS A 3 REMARK 465 ARG A 4 REMARK 465 ASP A 279 REMARK 465 GLU A 280 REMARK 465 HIS A 281 REMARK 465 MET B 1 REMARK 465 GLY B 2 REMARK 465 LYS B 3 REMARK 465 ARG B 4 REMARK 465 ALA B 5 REMARK 465 ALA B 6 REMARK 465 HIS B 7 REMARK 465 ILE B 8 REMARK 465 SER B 151 REMARK 465 HIS B 152 REMARK 465 HIS B 153 REMARK 465 LEU B 154 REMARK 465 GLU B 155 REMARK 465 LEU B 156 REMARK 465 ASP B 157 REMARK 465 TYR B 158 REMARK 465 ALA B 275 REMARK 465 VAL B 276 REMARK 465 ALA B 277 REMARK 465 GLY B 278 REMARK 465 ASP B 279 REMARK 465 GLU B 280 REMARK 465 HIS B 281 REMARK 465 GLU B 298 REMARK 465 ARG B 299 REMARK 465 SER B 300 REMARK 465 LEU B 301 REMARK 465 ALA B 331 REMARK 465 LEU B 332 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 GLU B 303 CG CD OE1 OE2 REMARK 470 GLU B 306 CG CD OE1 OE2 REMARK 470 LEU B 307 CG CD1 CD2 REMARK 470 GLN B 310 CG CD OE1 NE2 REMARK 470 LEU B 313 CG CD1 CD2 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 218 -18.55 -48.16 REMARK 500 ALA A 277 -14.55 -44.96 REMARK 500 SER A 322 -123.22 173.54 REMARK 500 SER B 180 -158.94 -86.28 REMARK 500 GLU B 192 -5.89 -56.83 REMARK 500 ARG B 211 -72.41 -56.41 REMARK 500 ALA B 236 130.80 -37.26 REMARK 500 SER B 266 21.87 46.40 REMARK 500 ALA B 311 33.03 -92.60 REMARK 500 ARG B 316 -15.54 -142.98 REMARK 500 SER B 322 -128.50 51.83 REMARK 500 MET B 329 -162.41 -123.37 REMARK 500 REMARK 500 REMARK: NULL 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3I58 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AN O-METHYLTRANSFERASE (NCSB1) FROM REMARK 900 NEOCARZINOSTATIN BIOSYNTHESIS IN COMPLEX WITH S-ADENOSYL-L- REMARK 900 HOMOCYSTEINE (SAH) AND 2-HYDROXY-7-METHOXY-5-METHYL NAPHTHOIC ACID REMARK 900 RELATED ID: 3I5U RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AN O-METHYLTRANSFERASE (NCSB1) FROM REMARK 900 NEOCARZINOSTATIN BIOSYNTHESIS IN COMPLEX WITH S-ADENOSYLMETHIONINE REMARK 900 (SAM) AND 2-HYDROXY-5-METHYL NAPHTHOIC ACID REMARK 900 RELATED ID: 3I64 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AN O-METHYLTRANSFERASE (NCSB1) FROM REMARK 900 NEOCARZINOSTATIN BIOSYNTHESIS IN COMPLEX WITH S-ADENOSYL-L- REMARK 900 HOMOCYSTEINE (SAH) AND 1,4-DIHYDROXY-2-NAPHTHOIC ACID (DHN) DBREF 3I53 A 1 332 UNP Q84HC8 Q84HC8_STRCZ 1 332 DBREF 3I53 B 1 332 UNP Q84HC8 Q84HC8_STRCZ 1 332 SEQRES 1 A 332 MET GLY LYS ARG ALA ALA HIS ILE GLY LEU ARG ALA LEU SEQRES 2 A 332 ALA ASP LEU ALA THR PRO MET ALA VAL ARG VAL ALA ALA SEQRES 3 A 332 THR LEU ARG VAL ALA ASP HIS ILE ALA ALA GLY HIS ARG SEQRES 4 A 332 THR ALA ALA GLU ILE ALA SER ALA ALA GLY ALA HIS ALA SEQRES 5 A 332 ASP SER LEU ASP ARG LEU LEU ARG HIS LEU VAL ALA VAL SEQRES 6 A 332 GLY LEU PHE THR ARG ASP GLY GLN GLY VAL TYR GLY LEU SEQRES 7 A 332 THR GLU PHE GLY GLU GLN LEU ARG ASP ASP HIS ALA ALA SEQRES 8 A 332 GLY LYS ARG LYS TRP LEU ASP MET ASN SER ALA VAL GLY SEQRES 9 A 332 ARG GLY ASP LEU GLY PHE VAL GLU LEU ALA HIS SER ILE SEQRES 10 A 332 ARG THR GLY GLN PRO ALA TYR PRO VAL ARG TYR GLY THR SEQRES 11 A 332 SER PHE TRP GLU ASP LEU GLY SER ASP PRO VAL LEU SER SEQRES 12 A 332 ALA SER PHE ASP THR LEU MET SER HIS HIS LEU GLU LEU SEQRES 13 A 332 ASP TYR THR GLY ILE ALA ALA LYS TYR ASP TRP ALA ALA SEQRES 14 A 332 LEU GLY HIS VAL VAL ASP VAL GLY GLY GLY SER GLY GLY SEQRES 15 A 332 LEU LEU SER ALA LEU LEU THR ALA HIS GLU ASP LEU SER SEQRES 16 A 332 GLY THR VAL LEU ASP LEU GLN GLY PRO ALA SER ALA ALA SEQRES 17 A 332 HIS ARG ARG PHE LEU ASP THR GLY LEU SER GLY ARG ALA SEQRES 18 A 332 GLN VAL VAL VAL GLY SER PHE PHE ASP PRO LEU PRO ALA SEQRES 19 A 332 GLY ALA GLY GLY TYR VAL LEU SER ALA VAL LEU HIS ASP SEQRES 20 A 332 TRP ASP ASP LEU SER ALA VAL ALA ILE LEU ARG ARG CYS SEQRES 21 A 332 ALA GLU ALA ALA GLY SER GLY GLY VAL VAL LEU VAL ILE SEQRES 22 A 332 GLU ALA VAL ALA GLY ASP GLU HIS ALA GLY THR GLY MET SEQRES 23 A 332 ASP LEU ARG MET LEU THR TYR PHE GLY GLY LYS GLU ARG SEQRES 24 A 332 SER LEU ALA GLU LEU GLY GLU LEU ALA ALA GLN ALA GLY SEQRES 25 A 332 LEU ALA VAL ARG ALA ALA HIS PRO ILE SER TYR VAL SER SEQRES 26 A 332 ILE VAL GLU MET THR ALA LEU SEQRES 1 B 332 MET GLY LYS ARG ALA ALA HIS ILE GLY LEU ARG ALA LEU SEQRES 2 B 332 ALA ASP LEU ALA THR PRO MET ALA VAL ARG VAL ALA ALA SEQRES 3 B 332 THR LEU ARG VAL ALA ASP HIS ILE ALA ALA GLY HIS ARG SEQRES 4 B 332 THR ALA ALA GLU ILE ALA SER ALA ALA GLY ALA HIS ALA SEQRES 5 B 332 ASP SER LEU ASP ARG LEU LEU ARG HIS LEU VAL ALA VAL SEQRES 6 B 332 GLY LEU PHE THR ARG ASP GLY GLN GLY VAL TYR GLY LEU SEQRES 7 B 332 THR GLU PHE GLY GLU GLN LEU ARG ASP ASP HIS ALA ALA SEQRES 8 B 332 GLY LYS ARG LYS TRP LEU ASP MET ASN SER ALA VAL GLY SEQRES 9 B 332 ARG GLY ASP LEU GLY PHE VAL GLU LEU ALA HIS SER ILE SEQRES 10 B 332 ARG THR GLY GLN PRO ALA TYR PRO VAL ARG TYR GLY THR SEQRES 11 B 332 SER PHE TRP GLU ASP LEU GLY SER ASP PRO VAL LEU SER SEQRES 12 B 332 ALA SER PHE ASP THR LEU MET SER HIS HIS LEU GLU LEU SEQRES 13 B 332 ASP TYR THR GLY ILE ALA ALA LYS TYR ASP TRP ALA ALA SEQRES 14 B 332 LEU GLY HIS VAL VAL ASP VAL GLY GLY GLY SER GLY GLY SEQRES 15 B 332 LEU LEU SER ALA LEU LEU THR ALA HIS GLU ASP LEU SER SEQRES 16 B 332 GLY THR VAL LEU ASP LEU GLN GLY PRO ALA SER ALA ALA SEQRES 17 B 332 HIS ARG ARG PHE LEU ASP THR GLY LEU SER GLY ARG ALA SEQRES 18 B 332 GLN VAL VAL VAL GLY SER PHE PHE ASP PRO LEU PRO ALA SEQRES 19 B 332 GLY ALA GLY GLY TYR VAL LEU SER ALA VAL LEU HIS ASP SEQRES 20 B 332 TRP ASP ASP LEU SER ALA VAL ALA ILE LEU ARG ARG CYS SEQRES 21 B 332 ALA GLU ALA ALA GLY SER GLY GLY VAL VAL LEU VAL ILE SEQRES 22 B 332 GLU ALA VAL ALA GLY ASP GLU HIS ALA GLY THR GLY MET SEQRES 23 B 332 ASP LEU ARG MET LEU THR TYR PHE GLY GLY LYS GLU ARG SEQRES 24 B 332 SER LEU ALA GLU LEU GLY GLU LEU ALA ALA GLN ALA GLY SEQRES 25 B 332 LEU ALA VAL ARG ALA ALA HIS PRO ILE SER TYR VAL SER SEQRES 26 B 332 ILE VAL GLU MET THR ALA LEU HET SAH A 401 26 HET SAH B 401 26 HET GOL B 402 6 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 SAH 2(C14 H20 N6 O5 S) FORMUL 5 GOL C3 H8 O3 FORMUL 6 HOH *305(H2 O) HELIX 1 1 GLY A 9 ALA A 14 1 6 HELIX 2 2 LEU A 16 ARG A 29 1 14 HELIX 3 3 ARG A 29 ALA A 36 1 8 HELIX 4 4 THR A 40 GLY A 49 1 10 HELIX 5 5 HIS A 51 VAL A 65 1 15 HELIX 6 6 PHE A 81 ARG A 86 5 6 HELIX 7 7 LYS A 93 ASP A 98 1 6 HELIX 8 8 SER A 101 ASP A 107 1 7 HELIX 9 9 LEU A 108 VAL A 111 5 4 HELIX 10 10 GLU A 112 GLY A 120 1 9 HELIX 11 11 ALA A 123 GLY A 129 1 7 HELIX 12 12 SER A 131 ASP A 139 1 9 HELIX 13 13 ASP A 139 THR A 159 1 21 HELIX 14 14 GLY A 160 LYS A 164 5 5 HELIX 15 15 TRP A 167 LEU A 170 5 4 HELIX 16 16 GLY A 181 HIS A 191 1 11 HELIX 17 17 LEU A 201 THR A 215 1 15 HELIX 18 18 VAL A 244 TRP A 248 5 5 HELIX 19 19 ASP A 249 GLY A 265 1 17 HELIX 20 20 GLY A 283 GLY A 295 1 13 HELIX 21 21 SER A 300 ALA A 311 1 12 HELIX 22 22 GLY B 9 ALA B 14 1 6 HELIX 23 23 LEU B 16 ARG B 29 1 14 HELIX 24 24 ARG B 29 GLY B 37 1 9 HELIX 25 25 THR B 40 GLY B 49 1 10 HELIX 26 26 HIS B 51 GLY B 66 1 16 HELIX 27 27 GLU B 80 ARG B 86 5 7 HELIX 28 28 LYS B 93 ASP B 98 1 6 HELIX 29 29 SER B 101 ASP B 107 1 7 HELIX 30 30 LEU B 108 VAL B 111 5 4 HELIX 31 31 GLU B 112 GLY B 120 1 9 HELIX 32 32 ALA B 123 GLY B 129 1 7 HELIX 33 33 SER B 131 ASP B 139 1 9 HELIX 34 34 ASP B 139 LEU B 149 1 11 HELIX 35 35 ILE B 161 TYR B 165 5 5 HELIX 36 36 TRP B 167 LEU B 170 5 4 HELIX 37 37 GLY B 181 HIS B 191 1 11 HELIX 38 38 LEU B 201 THR B 215 1 15 HELIX 39 39 ASP B 249 GLY B 265 1 17 HELIX 40 40 GLY B 283 GLY B 295 1 13 HELIX 41 41 ALA B 302 ALA B 311 1 10 SHEET 1 A 2 PHE A 68 ARG A 70 0 SHEET 2 A 2 TYR A 76 LEU A 78 -1 O GLY A 77 N THR A 69 SHEET 1 B 7 ALA A 221 VAL A 225 0 SHEET 2 B 7 SER A 195 ASP A 200 1 N VAL A 198 O VAL A 224 SHEET 3 B 7 HIS A 172 VAL A 176 1 N ASP A 175 O THR A 197 SHEET 4 B 7 GLY A 238 SER A 242 1 O GLY A 238 N VAL A 174 SHEET 5 B 7 VAL A 269 GLU A 274 1 O LEU A 271 N LEU A 241 SHEET 6 B 7 SER A 325 ALA A 331 -1 O VAL A 327 N VAL A 272 SHEET 7 B 7 LEU A 313 PRO A 320 -1 N HIS A 319 O ILE A 326 SHEET 1 C 2 PHE B 68 ARG B 70 0 SHEET 2 C 2 TYR B 76 LEU B 78 -1 O GLY B 77 N THR B 69 SHEET 1 D 7 ALA B 221 VAL B 225 0 SHEET 2 D 7 SER B 195 ASP B 200 1 N VAL B 198 O GLN B 222 SHEET 3 D 7 HIS B 172 VAL B 176 1 N ASP B 175 O THR B 197 SHEET 4 D 7 GLY B 238 SER B 242 1 O GLY B 238 N VAL B 174 SHEET 5 D 7 VAL B 269 GLU B 274 1 O LEU B 271 N TYR B 239 SHEET 6 D 7 VAL B 324 THR B 330 -1 O VAL B 327 N VAL B 272 SHEET 7 D 7 ALA B 314 VAL B 315 -1 N ALA B 314 O THR B 330 SHEET 1 E 7 ALA B 221 VAL B 225 0 SHEET 2 E 7 SER B 195 ASP B 200 1 N VAL B 198 O GLN B 222 SHEET 3 E 7 HIS B 172 VAL B 176 1 N ASP B 175 O THR B 197 SHEET 4 E 7 GLY B 238 SER B 242 1 O GLY B 238 N VAL B 174 SHEET 5 E 7 VAL B 269 GLU B 274 1 O LEU B 271 N TYR B 239 SHEET 6 E 7 VAL B 324 THR B 330 -1 O VAL B 327 N VAL B 272 SHEET 7 E 7 HIS B 319 ILE B 321 -1 N HIS B 319 O ILE B 326 SITE 1 AC1 20 TRP A 133 PHE A 146 HIS A 153 GLY A 177 SITE 2 AC1 20 GLY A 179 ASP A 200 LEU A 201 GLY A 226 SITE 3 AC1 20 SER A 227 PHE A 228 SER A 242 ASP A 247 SITE 4 AC1 20 TRP A 248 HOH A 537 HOH A 540 HOH A 556 SITE 5 AC1 20 HOH A 609 HOH A 692 HOH A 709 HOH A 769 SITE 1 AC2 18 TRP B 133 ASP B 175 GLY B 177 GLY B 178 SITE 2 AC2 18 GLY B 179 ASP B 200 LEU B 201 PRO B 204 SITE 3 AC2 18 GLY B 226 SER B 227 PHE B 228 SER B 242 SITE 4 AC2 18 ALA B 243 ASP B 247 TRP B 248 HOH B 575 SITE 5 AC2 18 HOH B 659 HOH B 754 SITE 1 AC3 2 MET B 150 HOH B 753 CRYST1 91.253 161.568 98.944 90.00 90.00 90.00 C 2 2 21 16 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 0.010959 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006189 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010107 0.00000