HEADER TRANSFERASE 29-AUG-00 1FP2 TITLE CRYSTAL STRUCTURE ANALYSIS OF ISOFLAVONE O-METHYLTRANSFERASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFLAVONE O-METHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MEDICAGO SATIVA; SOURCE 3 ORGANISM_TAXID: 3879; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PET15B KEYWDS PROTEIN-PRODUCT COMPLEX, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.ZUBIETA,R.A.DIXON,J.P.NOEL REVDAT 4 13-JUL-11 1FP2 1 VERSN REVDAT 3 24-FEB-09 1FP2 1 VERSN REVDAT 2 01-APR-03 1FP2 1 JRNL REVDAT 1 07-MAR-01 1FP2 0 JRNL AUTH C.ZUBIETA,X.Z.HE,R.A.DIXON,J.P.NOEL JRNL TITL STRUCTURES OF TWO NATURAL PRODUCT METHYLTRANSFERASES REVEAL JRNL TITL 2 THE BASIS FOR SUBSTRATE SPECIFICITY IN PLANT JRNL TITL 3 O-METHYLTRANSFERASES. JRNL REF NAT.STRUCT.BIOL. V. 8 271 2001 JRNL REFN ISSN 1072-8368 JRNL PMID 11224575 JRNL DOI 10.1038/85029 REMARK 2 REMARK 2 RESOLUTION. 1.40 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 69.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1360469.450 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.4 REMARK 3 NUMBER OF REFLECTIONS : 82735 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) : 0.217 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4162 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 11567 REMARK 3 BIN R VALUE (WORKING SET) : 0.3700 REMARK 3 BIN FREE R VALUE : 0.4130 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 583 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2735 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 247 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.08000 REMARK 3 B22 (A**2) : 3.80000 REMARK 3 B33 (A**2) : -1.72000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.45000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.30 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) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.022 REMARK 3 BOND ANGLES (DEGREES) : 1.90 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.40 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.320 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.930 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.260 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.120 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 45.34 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 : SAH_PARA.TXT REMARK 3 PARAMETER FILE 4 : ISOFORM_PARA.TXT REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : SAH_TOPO.TXT REMARK 3 TOPOLOGY FILE 4 : ISOFORM_TOPO.TXT REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FP2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-OCT-00. REMARK 100 THE RCSB ID CODE IS RCSB011785. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-FEB-00 REMARK 200 TEMPERATURE (KELVIN) : 105 REMARK 200 PH : 8.25 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.920 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 82735 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 65.5 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.65000 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: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, LITHIUM SULFATE, PH 8.25, REMARK 280 VAPOR DIFFUSION, HANGING 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 72.77800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.26900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 72.77800 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.26900 REMARK 290 SMTRY3 4 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAIN A REMARK 300 BY A TWO-FOLD ROTATION. 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -82.0 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 -18.32983 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 61.13526 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 ALA A 2 REMARK 465 SER A 3 REMARK 465 SER A 4 REMARK 465 ILE A 5 REMARK 465 ASN A 6 REMARK 465 GLY A 7 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 319 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES 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 9 -154.94 -128.62 REMARK 500 PRO A 10 -143.69 -92.76 REMARK 500 SER A 11 19.29 -69.61 REMARK 500 LYS A 89 -128.27 -146.18 REMARK 500 SER A 230 140.99 -179.49 REMARK 500 ASN A 231 100.20 24.18 REMARK 500 ASN A 232 -16.64 73.16 REMARK 500 ILE A 255 -61.10 -102.62 REMARK 500 ASP A 292 89.34 -152.55 REMARK 500 MET A 311 0.38 -67.72 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 TYR A 254 0.06 SIDE CHAIN 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 1699 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HMO A 2000 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FP1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE ANALYSIS OF CHALCONE O-METHYLTRANSFERASE REMARK 900 RELATED ID: 1FPX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE ANALYSIS OF SELENOMETHIONINE SUBSTITUTED REMARK 900 ISOFLAVONE O-METHYLTRANSFERASE REMARK 900 RELATED ID: 1FPQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE ANALYSIS OF SELENOMETHIONINE SUBSTITUTED REMARK 900 CHALCONE O-METHYLTRANSFERASE DBREF 1FP2 A 1 352 UNP O24529 7OMT8_MEDSA 1 352 SEQRES 1 A 352 MET ALA SER SER ILE ASN GLY ARG LYS PRO SER GLU ILE SEQRES 2 A 352 PHE LYS ALA GLN ALA LEU LEU TYR LYS HIS ILE TYR ALA SEQRES 3 A 352 PHE ILE ASP SER MET SER LEU LYS TRP ALA VAL GLU MET SEQRES 4 A 352 ASN ILE PRO ASN ILE ILE GLN ASN HIS GLY LYS PRO ILE SEQRES 5 A 352 SER LEU SER ASN LEU VAL SER ILE LEU GLN VAL PRO SER SEQRES 6 A 352 SER LYS ILE GLY ASN VAL ARG ARG LEU MET ARG TYR LEU SEQRES 7 A 352 ALA HIS ASN GLY PHE PHE GLU ILE ILE THR LYS GLU GLU SEQRES 8 A 352 GLU SER TYR ALA LEU THR VAL ALA SER GLU LEU LEU VAL SEQRES 9 A 352 ARG GLY SER ASP LEU CYS LEU ALA PRO MET VAL GLU CYS SEQRES 10 A 352 VAL LEU ASP PRO THR LEU SER GLY SER TYR HIS GLU LEU SEQRES 11 A 352 LYS LYS TRP ILE TYR GLU GLU ASP LEU THR LEU PHE GLY SEQRES 12 A 352 VAL THR LEU GLY SER GLY PHE TRP ASP PHE LEU ASP LYS SEQRES 13 A 352 ASN PRO GLU TYR ASN THR SER PHE ASN ASP ALA MET ALA SEQRES 14 A 352 SER ASP SER LYS LEU ILE ASN LEU ALA LEU ARG ASP CYS SEQRES 15 A 352 ASP PHE VAL PHE ASP GLY LEU GLU SER ILE VAL ASP VAL SEQRES 16 A 352 GLY GLY GLY THR GLY THR THR ALA LYS ILE ILE CYS GLU SEQRES 17 A 352 THR PHE PRO LYS LEU LYS CYS ILE VAL PHE ASP ARG PRO SEQRES 18 A 352 GLN VAL VAL GLU ASN LEU SER GLY SER ASN ASN LEU THR SEQRES 19 A 352 TYR VAL GLY GLY ASP MET PHE THR SER ILE PRO ASN ALA SEQRES 20 A 352 ASP ALA VAL LEU LEU LYS TYR ILE LEU HIS ASN TRP THR SEQRES 21 A 352 ASP LYS ASP CYS LEU ARG ILE LEU LYS LYS CYS LYS GLU SEQRES 22 A 352 ALA VAL THR ASN ASP GLY LYS ARG GLY LYS VAL THR ILE SEQRES 23 A 352 ILE ASP MET VAL ILE ASP LYS LYS LYS ASP GLU ASN GLN SEQRES 24 A 352 VAL THR GLN ILE LYS LEU LEU MET ASP VAL ASN MET ALA SEQRES 25 A 352 CYS LEU ASN GLY LYS GLU ARG ASN GLU GLU GLU TRP LYS SEQRES 26 A 352 LYS LEU PHE ILE GLU ALA GLY PHE GLN HIS TYR LYS ILE SEQRES 27 A 352 SER PRO LEU THR GLY PHE LEU SER LEU ILE GLU ILE TYR SEQRES 28 A 352 PRO HET SAH A1699 26 HET HMO A2000 20 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM HMO 4'-HYDROXY-7-METHOXYISOFLAVONE HETSYN HMO ISOFORMONONETIN FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 HMO C16 H12 O4 FORMUL 4 HOH *247(H2 O) HELIX 1 1 SER A 11 TYR A 25 1 15 HELIX 2 2 ALA A 26 MET A 39 1 14 HELIX 3 3 ASN A 40 GLY A 49 1 10 HELIX 4 4 LEU A 54 GLN A 62 1 9 HELIX 5 5 PRO A 64 SER A 66 5 3 HELIX 6 6 LYS A 67 ASN A 81 1 15 HELIX 7 7 THR A 97 LEU A 102 1 6 HELIX 8 8 LEU A 111 LEU A 119 1 9 HELIX 9 9 ASP A 120 SER A 126 1 7 HELIX 10 10 GLU A 129 TYR A 135 1 7 HELIX 11 11 THR A 140 GLY A 147 1 8 HELIX 12 12 GLY A 149 ASN A 157 1 9 HELIX 13 13 ASN A 157 ASP A 171 1 15 HELIX 14 14 ASP A 171 ASP A 181 1 11 HELIX 15 15 CYS A 182 ASP A 187 1 6 HELIX 16 16 GLY A 200 PHE A 210 1 11 HELIX 17 17 ARG A 220 GLU A 225 1 6 HELIX 18 18 ILE A 255 TRP A 259 5 5 HELIX 19 19 THR A 260 THR A 276 1 17 HELIX 20 20 ASN A 277 LYS A 280 5 4 HELIX 21 21 GLU A 297 MET A 311 1 15 HELIX 22 22 ALA A 312 ASN A 315 5 4 HELIX 23 23 GLU A 321 ALA A 331 1 11 SHEET 1 A 3 ILE A 52 SER A 53 0 SHEET 2 A 3 GLU A 92 LEU A 96 -1 N TYR A 94 O ILE A 52 SHEET 3 A 3 PHE A 84 THR A 88 -1 O GLU A 85 N ALA A 95 SHEET 1 B 7 LEU A 233 GLY A 237 0 SHEET 2 B 7 LYS A 214 ASP A 219 1 O CYS A 215 N THR A 234 SHEET 3 B 7 SER A 191 VAL A 195 1 O ILE A 192 N ILE A 216 SHEET 4 B 7 ALA A 249 LYS A 253 1 O ALA A 249 N VAL A 193 SHEET 5 B 7 LYS A 283 ASP A 288 1 O LYS A 283 N VAL A 250 SHEET 6 B 7 LEU A 345 TYR A 351 -1 N SER A 346 O ASP A 288 SHEET 7 B 7 HIS A 335 THR A 342 -1 O HIS A 335 N TYR A 351 SHEET 1 C 2 VAL A 290 ILE A 291 0 SHEET 2 C 2 ARG A 319 ASN A 320 1 O ARG A 319 N ILE A 291 SITE 1 AC1 17 GLY A 196 ASP A 219 ARG A 220 ASP A 239 SITE 2 AC1 17 MET A 240 PHE A 241 LYS A 253 ILE A 255 SITE 3 AC1 17 HMO A2000 HOH A2001 HOH A2002 HOH A2014 SITE 4 AC1 17 HOH A2026 HOH A2031 HOH A2039 HOH A2047 SITE 5 AC1 17 HOH A2054 SITE 1 AC2 11 TYR A 25 VAL A 118 LEU A 123 SER A 124 SITE 2 AC2 11 TYR A 127 PHE A 164 TYR A 254 HIS A 257 SITE 3 AC2 11 ASN A 258 ASN A 310 SAH A1699 CRYST1 145.556 50.538 63.824 90.00 106.69 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 0.006870 0.000000 0.002060 0.00000 SCALE2 0.000000 0.019787 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016357 0.00000 MASTER 321 0 2 23 12 0 8 6 0 0 0 28 END