HEADER PLANT PROTEIN, TRANSFERASE 20-APR-05 1ZGA TITLE CRYSTAL STRUCTURE OF ISOFLAVANONE 4'-O-METHYLTRANSFERASE COMPLEXED TITLE 2 WITH (+)-6A-HYDROXYMAACKIAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFLAVANONE 4'-O-METHYLTRANSFERASE'; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MEDICAGO TRUNCATULA; SOURCE 3 ORGANISM_COMMON: BARREL MEDIC; SOURCE 4 ORGANISM_TAXID: 3880; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A+ KEYWDS ROSSMANN FOLD, ISOFLAVANONE 4'-O-METHYLTRANSFERASE, PLANT PROTEIN, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.-J.LIU,B.E.DEAVOURS,S.RICHARD,J.-L.FERRER,R.A.DIXON,J.P.NOEL REVDAT 6 14-FEB-24 1ZGA 1 REMARK REVDAT 5 12-NOV-14 1ZGA 1 KEYWDS REVDAT 4 13-JUL-11 1ZGA 1 VERSN REVDAT 3 24-FEB-09 1ZGA 1 VERSN REVDAT 2 24-APR-07 1ZGA 1 JRNL REVDAT 1 01-AUG-06 1ZGA 0 JRNL AUTH C.J.LIU,B.E.DEAVOURS,S.B.RICHARD,J.L.FERRER,J.W.BLOUNT, JRNL AUTH 2 D.HUHMAN,R.A.DIXON,J.P.NOEL JRNL TITL STRUCTURAL BASIS FOR DUAL FUNCTIONALITY OF ISOFLAVONOID JRNL TITL 2 O-METHYLTRANSFERASES IN THE EVOLUTION OF PLANT DEFENSE JRNL TITL 3 RESPONSES. JRNL REF PLANT CELL V. 18 3656 2006 JRNL REFN ISSN 1040-4651 JRNL PMID 17172354 JRNL DOI 10.1105/TPC.106.041376 REMARK 2 REMARK 2 RESOLUTION. 2.35 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.45 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 204856.740 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 20066 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) : 0.209 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1987 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 2.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.50 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2759 REMARK 3 BIN R VALUE (WORKING SET) : 0.2450 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 315 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2819 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.00000 REMARK 3 B22 (A**2) : 4.00000 REMARK 3 B33 (A**2) : -7.99000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.22 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) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.670 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) : 1.500 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.520 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.210 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.160 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 20.16 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 : SAH.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : HMK_MOD3_XPLO.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : SAH.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : HMK_MOD3_XPLO.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZGA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000032685. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-MAY-04 REMARK 200 TEMPERATURE (KELVIN) : 105 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97897 REMARK 200 MONOCHROMATOR : BENT MONOCHROMATOR (HORIZONTAL REMARK 200 FOCUSING) REMARK 200 OPTICS : FLAT MIRROR 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 : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21559 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 8.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11700 REMARK 200 FOR THE DATA SET : 23.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.57800 REMARK 200 FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS 1.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, AMONIUM ACETATE, DTT, PH REMARK 280 5.5, TEMPERATURE 277.16K, VAPOR DIFFUSION REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 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 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 94.45350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 141.68025 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 47.22675 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 94.45350 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 47.22675 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 141.68025 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 142.43400 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 94.45350 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 4123 O HOH A 4123 6575 1.70 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 GLU A 9 -6.53 64.03 REMARK 500 SER A 11 5.38 -67.19 REMARK 500 GLU A 93 54.11 77.00 REMARK 500 GLU A 96 -17.72 158.24 REMARK 500 GLU A 97 -120.08 59.94 REMARK 500 LEU A 238 130.02 -26.49 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 HMK A 365 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH A 3994 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ZHF RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SLELENOMETHIONINE SUBSTITUTED ISOFLAVANONE 4'- REMARK 900 O-METHYLTRANSFERASE REMARK 900 RELATED ID: 1ZG3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SAME PROTEIN COMPLEXED WITH 2,7,4'- REMARK 900 TRIHYDROXYISOFLAVANONE REMARK 900 RELATED ID: 1ZGJ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE SAME PROTEIN COMPLEXED WITH (+)-PISATIN REMARK 999 REMARK 999 SEQUENCE REMARK 999 CURRENTLY THERE IS NO DATABASE REFERENCE AVAILABLE FOR REMARK 999 ISOFLAVANONE 4'-O-METHYLTRANSFERASE, SOURCE MEDICAGO REMARK 999 TRUNCATULA DBREF 1ZGA A 8 364 UNP Q29U70 Q29U70_MEDTR 8 364 SEQRES 1 A 357 SER GLU GLU SER GLU LEU TYR HIS ALA GLN ILE HIS LEU SEQRES 2 A 357 TYR LYS HIS VAL TYR ASN PHE VAL SER SER MET ALA LEU SEQRES 3 A 357 LYS SER ALA MET GLU LEU GLY ILE ALA ASP ALA ILE HIS SEQRES 4 A 357 ASN HIS GLY LYS PRO MET THR LEU SER GLU LEU ALA SER SEQRES 5 A 357 SER LEU LYS LEU HIS PRO SER LYS VAL ASN ILE LEU HIS SEQRES 6 A 357 ARG PHE LEU ARG LEU LEU THR HIS ASN GLY PHE PHE ALA SEQRES 7 A 357 LYS THR ILE VAL LYS GLY LYS GLU GLY ASP GLU GLU GLU SEQRES 8 A 357 GLU ILE ALA TYR SER LEU THR PRO PRO SER LYS LEU LEU SEQRES 9 A 357 ILE SER GLY LYS PRO THR CYS LEU SER SER ILE VAL LYS SEQRES 10 A 357 GLY ALA LEU HIS PRO SER SER LEU ASP MET TRP SER SER SEQRES 11 A 357 SER LYS LYS TRP PHE ASN GLU ASP LYS GLU GLN THR LEU SEQRES 12 A 357 PHE GLU CYS ALA THR GLY GLU SER PHE TRP ASP PHE LEU SEQRES 13 A 357 ASN LYS ASP SER GLU SER SER THR LEU SER MET PHE GLN SEQRES 14 A 357 ASP ALA MET ALA SER ASP SER ARG MET PHE LYS LEU VAL SEQRES 15 A 357 LEU GLN GLU ASN LYS ARG VAL PHE GLU GLY LEU GLU SER SEQRES 16 A 357 LEU VAL ASP VAL GLY GLY GLY THR GLY GLY VAL THR LYS SEQRES 17 A 357 LEU ILE HIS GLU ILE PHE PRO HIS LEU LYS CYS THR VAL SEQRES 18 A 357 PHE ASP GLN PRO GLN VAL VAL GLY ASN LEU THR GLY ASN SEQRES 19 A 357 GLU ASN LEU ASN PHE VAL GLY GLY ASP MET PHE LYS SER SEQRES 20 A 357 ILE PRO SER ALA ASP ALA VAL LEU LEU LYS TRP VAL LEU SEQRES 21 A 357 HIS ASP TRP ASN ASP GLU GLN SER LEU LYS ILE LEU LYS SEQRES 22 A 357 ASN SER LYS GLU ALA ILE SER HIS LYS GLY LYS ASP GLY SEQRES 23 A 357 LYS VAL ILE ILE ILE ASP ILE SER ILE ASP GLU THR SER SEQRES 24 A 357 ASP ASP ARG GLY LEU THR GLU LEU GLN LEU ASP TYR ASP SEQRES 25 A 357 LEU VAL MET LEU THR MET PHE LEU GLY LYS GLU ARG THR SEQRES 26 A 357 LYS GLN GLU TRP GLU LYS LEU ILE TYR ASP ALA GLY PHE SEQRES 27 A 357 SER SER TYR LYS ILE THR PRO ILE SER GLY PHE LYS SER SEQRES 28 A 357 LEU ILE GLU VAL TYR PRO HET HMK A 365 22 HET SAH A3994 26 HETNAM HMK (6AR,12AR)-6H-[1,3]DIOXOLO[5,6][1]BENZOFURO[3,2- HETNAM 2 HMK C]CHROMENE-3,6A(12AH)-DIOL HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 2 HMK C16 H12 O6 FORMUL 3 SAH C14 H20 N6 O5 S FORMUL 4 HOH *137(H2 O) HELIX 1 1 SER A 11 TYR A 25 1 15 HELIX 2 2 TYR A 25 LEU A 39 1 15 HELIX 3 3 GLY A 40 GLY A 49 1 10 HELIX 4 4 LEU A 54 LYS A 62 1 9 HELIX 5 5 HIS A 64 SER A 66 5 3 HELIX 6 6 LYS A 67 ASN A 81 1 15 HELIX 7 7 THR A 105 LEU A 110 1 6 HELIX 8 8 LEU A 119 LEU A 127 1 9 HELIX 9 9 HIS A 128 ASP A 133 1 6 HELIX 10 10 MET A 134 SER A 136 5 3 HELIX 11 11 SER A 137 GLU A 144 1 8 HELIX 12 12 THR A 149 GLY A 156 1 8 HELIX 13 13 SER A 158 ASN A 164 1 7 HELIX 14 14 LYS A 165 SER A 167 5 3 HELIX 15 15 GLU A 168 ASN A 193 1 26 HELIX 16 16 LYS A 194 PHE A 197 5 4 HELIX 17 17 GLY A 211 PHE A 221 1 11 HELIX 18 18 GLN A 231 GLY A 236 1 6 HELIX 19 19 VAL A 266 TRP A 270 5 5 HELIX 20 20 ASN A 271 ILE A 286 1 16 HELIX 21 21 SER A 287 GLY A 293 5 7 HELIX 22 22 ASP A 308 LEU A 327 1 20 HELIX 23 23 LYS A 333 ALA A 343 1 11 SHEET 1 A 3 MET A 52 THR A 53 0 SHEET 2 A 3 GLU A 98 LEU A 104 -1 O TYR A 102 N MET A 52 SHEET 3 A 3 PHE A 84 LYS A 90 -1 N VAL A 89 O GLU A 99 SHEET 1 B 7 LEU A 244 GLY A 248 0 SHEET 2 B 7 LYS A 225 ASP A 230 1 N VAL A 228 O ASN A 245 SHEET 3 B 7 SER A 202 VAL A 206 1 N ASP A 205 O THR A 227 SHEET 4 B 7 ALA A 260 LYS A 264 1 O LEU A 262 N VAL A 204 SHEET 5 B 7 LYS A 294 ASP A 299 1 O ILE A 296 N VAL A 261 SHEET 6 B 7 LYS A 357 TYR A 363 -1 O ILE A 360 N ILE A 297 SHEET 7 B 7 SER A 347 ILE A 353 -1 N SER A 347 O TYR A 363 SHEET 1 C 2 SER A 301 ILE A 302 0 SHEET 2 C 2 ARG A 331 THR A 332 1 O ARG A 331 N ILE A 302 SITE 1 AC1 11 TYR A 25 GLY A 125 SER A 130 SER A 131 SITE 2 AC1 11 PHE A 159 MET A 174 PHE A 175 ASP A 182 SITE 3 AC1 11 TYR A 318 MET A 322 MET A 325 SITE 1 AC2 11 GLY A 207 VAL A 213 ASP A 230 GLN A 231 SITE 2 AC2 11 ASP A 250 MET A 251 PHE A 252 LYS A 264 SITE 3 AC2 11 TRP A 265 HOH A3997 HOH A4109 CRYST1 71.217 71.217 188.907 90.00 90.00 90.00 P 43 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 0.014042 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014042 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005294 0.00000