HEADER FATTY ACID BIOSYNTHESIS 08-JAN-96 1MKA TITLE E. COLI BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE MODIFIED TITLE 2 BY ITS CLASSIC MECHANISM-BASED INACTIVATOR, 3-DECYNOYL-N- TITLE 3 ACETYL CYSTEAMINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-HYDROXYDECANOYL THIOL ESTER DEHYDRASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BETA-HYDROXYDECANOYL ACP DEHYDRASE; COMPND 5 EC: 4.2.1.60; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: RA244; SOURCE 5 GENE: FABA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIAL; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PRA244; SOURCE 10 EXPRESSION_SYSTEM_GENE: FABA; SOURCE 11 OTHER_DETAILS: TAC PROMOTER KEYWDS FATTY ACID BIOSYNTHESIS EXPDTA X-RAY DIFFRACTION AUTHOR M.LEESONG REVDAT 2 24-FEB-09 1MKA 1 VERSN REVDAT 1 11-JUL-96 1MKA 0 JRNL AUTH M.LEESONG,B.S.HENDERSON,J.R.GILLIG,J.M.SCHWAB, JRNL AUTH 2 J.L.SMITH JRNL TITL STRUCTURE OF A DEHYDRATASE-ISOMERASE FROM THE JRNL TITL 2 BACTERIAL PATHWAY FOR BIOSYNTHESIS OF UNSATURATED JRNL TITL 3 FATTY ACIDS: TWO CATALYTIC ACTIVITIES IN ONE JRNL TITL 4 ACTIVE SITE. JRNL REF STRUCTURE V. 4 253 1996 JRNL REFN ISSN 0969-2126 JRNL PMID 8805534 JRNL DOI 10.1016/S0969-2126(96)00030-5 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 21941 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2650 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 286 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.20 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.65 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.70 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 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: RESIDUES B 136 - B 137 FORM A REMARK 3 POORLY ORDERED LOOP AND HAVE HIGH ISOTROPIC B-FACTORS. REMARK 4 REMARK 4 1MKA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAR-92 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22030 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 34.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.15000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.40000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.15000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.40000 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 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: 4870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13410 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 2.0 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 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 ASP A 74 65.52 -157.26 REMARK 500 ARG A 136 -132.69 -94.31 REMARK 500 ASP B 74 65.86 -157.59 REMARK 500 ARG B 136 -150.11 -83.66 REMARK 500 LEU B 138 96.08 167.50 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 B 236 DISTANCE = 6.62 ANGSTROMS REMARK 525 HOH B 313 DISTANCE = 8.41 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: TWO POLAR RESIDUES ARE FOUND IN THE CATALYTIC REMARK 800 REGION OF THE ACTIVE SITE. REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: TWO POLAR RESIDUES ARE FOUND IN THE CATALYTIC REMARK 800 REGION OF THE ACTIVE SITE. REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAC A 172 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAC B 172 DBREF 1MKA A 1 171 UNP P0A6Q3 FABA_ECOLI 1 171 DBREF 1MKA B 1 171 UNP P0A6Q3 FABA_ECOLI 1 171 SEQRES 1 A 171 VAL ASP LYS ARG GLU SER TYR THR LYS GLU ASP LEU LEU SEQRES 2 A 171 ALA SER GLY ARG GLY GLU LEU PHE GLY ALA LYS GLY PRO SEQRES 3 A 171 GLN LEU PRO ALA PRO ASN MET LEU MET MET ASP ARG VAL SEQRES 4 A 171 VAL LYS MET THR GLU THR GLY GLY ASN PHE ASP LYS GLY SEQRES 5 A 171 TYR VAL GLU ALA GLU LEU ASP ILE ASN PRO ASP LEU TRP SEQRES 6 A 171 PHE PHE GLY CYS HIS PHE ILE GLY ASP PRO VAL MET PRO SEQRES 7 A 171 GLY CYS LEU GLY LEU ASP ALA MET TRP GLN LEU VAL GLY SEQRES 8 A 171 PHE TYR LEU GLY TRP LEU GLY GLY GLU GLY LYS GLY ARG SEQRES 9 A 171 ALA LEU GLY VAL GLY GLU VAL LYS PHE THR GLY GLN VAL SEQRES 10 A 171 LEU PRO THR ALA LYS LYS VAL THR TYR ARG ILE HIS PHE SEQRES 11 A 171 LYS ARG ILE VAL ASN ARG ARG LEU ILE MET GLY LEU ALA SEQRES 12 A 171 ASP GLY GLU VAL LEU VAL ASP GLY ARG LEU ILE TYR THR SEQRES 13 A 171 ALA SER ASP LEU LYS VAL GLY LEU PHE GLN ASP THR SER SEQRES 14 A 171 ALA PHE SEQRES 1 B 171 VAL ASP LYS ARG GLU SER TYR THR LYS GLU ASP LEU LEU SEQRES 2 B 171 ALA SER GLY ARG GLY GLU LEU PHE GLY ALA LYS GLY PRO SEQRES 3 B 171 GLN LEU PRO ALA PRO ASN MET LEU MET MET ASP ARG VAL SEQRES 4 B 171 VAL LYS MET THR GLU THR GLY GLY ASN PHE ASP LYS GLY SEQRES 5 B 171 TYR VAL GLU ALA GLU LEU ASP ILE ASN PRO ASP LEU TRP SEQRES 6 B 171 PHE PHE GLY CYS HIS PHE ILE GLY ASP PRO VAL MET PRO SEQRES 7 B 171 GLY CYS LEU GLY LEU ASP ALA MET TRP GLN LEU VAL GLY SEQRES 8 B 171 PHE TYR LEU GLY TRP LEU GLY GLY GLU GLY LYS GLY ARG SEQRES 9 B 171 ALA LEU GLY VAL GLY GLU VAL LYS PHE THR GLY GLN VAL SEQRES 10 B 171 LEU PRO THR ALA LYS LYS VAL THR TYR ARG ILE HIS PHE SEQRES 11 B 171 LYS ARG ILE VAL ASN ARG ARG LEU ILE MET GLY LEU ALA SEQRES 12 B 171 ASP GLY GLU VAL LEU VAL ASP GLY ARG LEU ILE TYR THR SEQRES 13 B 171 ALA SER ASP LEU LYS VAL GLY LEU PHE GLN ASP THR SER SEQRES 14 B 171 ALA PHE HET DAC A 172 18 HET DAC B 172 18 HETNAM DAC 2-DECENOYL N-ACETYL CYSTEAMINE FORMUL 3 DAC 2(C14 H25 N O2 S) FORMUL 5 HOH *286(H2 O) HELIX 1 1 LYS A 9 ARG A 17 1 9 HELIX 2 2 TRP A 65 CYS A 69 5 5 HELIX 3 3 GLY A 79 TRP A 96 1 18 HELIX 4 4 LYS B 9 ARG B 17 1 9 HELIX 5 5 TRP B 65 CYS B 69 5 5 HELIX 6 6 GLY B 79 TRP B 96 1 18 SHEET 1 A14 GLU A 5 LYS A 9 0 SHEET 2 A14 ASP A 37 THR A 43 -1 N MET A 42 O GLU A 5 SHEET 3 A14 GLY A 52 ILE A 60 -1 N TYR A 53 O THR A 43 SHEET 4 A14 LYS A 122 ARG A 136 -1 N PHE A 130 O GLY A 52 SHEET 5 A14 LEU A 138 ASP A 150 -1 N ASP A 150 O LYS A 123 SHEET 6 A14 ARG A 152 PHE A 165 -1 N ARG A 152 O VAL A 149 SHEET 7 A14 LYS A 102 THR A 114 -1 N THR A 114 O ILE A 154 SHEET 8 A14 LYS B 102 THR B 114 -1 N PHE B 113 O LEU A 106 SHEET 9 A14 ARG B 152 PHE B 165 -1 N PHE B 165 O LYS B 102 SHEET 10 A14 LEU B 138 ASP B 150 -1 N VAL B 149 O ARG B 152 SHEET 11 A14 LYS B 122 ARG B 136 -1 N ARG B 136 O LEU B 138 SHEET 12 A14 GLY B 52 ILE B 60 -1 N ILE B 60 O LYS B 122 SHEET 13 A14 ASP B 37 THR B 43 -1 N ASP B 37 O GLU B 57 SHEET 14 A14 GLU B 5 LYS B 9 -1 N LYS B 9 O ASP B 37 LINK C3 DAC A 172 NE2 HIS A 70 1555 1555 1.48 LINK C3 DAC B 172 NE2 HIS B 70 1555 1555 1.47 CISPEP 1 PRO A 31 ASN A 32 0 2.04 CISPEP 2 HIS A 70 PHE A 71 0 -1.14 CISPEP 3 PRO B 31 ASN B 32 0 1.33 CISPEP 4 HIS B 70 PHE B 71 0 -1.34 SITE 1 AC1 2 HIS A 70 ASP B 84 SITE 1 AC2 2 HIS B 70 ASP A 84 SITE 1 AC3 13 HIS A 70 PHE A 71 MET A 77 GLY A 79 SITE 2 AC3 13 PHE A 113 GLY A 115 GLN B 27 TRP B 87 SITE 3 AC3 13 GLY B 91 ARG B 104 ALA B 105 LEU B 106 SITE 4 AC3 13 PHE B 171 SITE 1 AC4 13 GLN A 27 GLY A 91 ARG A 104 ALA A 105 SITE 2 AC4 13 LEU A 106 PHE A 171 HIS B 70 PHE B 71 SITE 3 AC4 13 MET B 77 GLY B 79 PHE B 113 GLY B 115 SITE 4 AC4 13 GLN B 116 CRYST1 68.000 86.800 60.300 90.00 90.00 90.00 P 21 21 21 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 0.014706 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011521 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016584 0.00000 MTRIX1 1 -0.912500 0.190200 -0.362300 -11.22600 1 MTRIX2 1 0.193500 -0.579500 -0.791700 24.45840 1 MTRIX3 1 -0.360500 -0.792500 0.491900 10.23840 1