HEADER HYDROLASE(METALLOPROTEINASE) 24-JUN-99 1QJI TITLE STRUCTURE OF ASTACIN WITH A TRANSITION-STATE ANALOGUE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: ASTACIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: CRAYFISH SMALL MOLECULE PROTEINASE; COMPND 6 EC: 3.4.24.21; COMPND 7 OTHER_DETAILS: IN COMPLEX WITH A BOUND TRANSITION-STATE ANALOGUE COMPND 8 PHOSPHINIC PSEUDOPEPTIDE CARBOBENZOXY-PRO-LYS-PHE-Y(PO2)-ALA-PRO-OME SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASTACUS FLUVIATILIS; SOURCE 3 ORGANISM_COMMON: BROAD-FINGERED CRAYFISH; SOURCE 4 ORGANISM_TAXID: 6715; SOURCE 5 ORGAN: MIDGUT GLAND; SOURCE 6 CELL: F-CELL; SOURCE 7 SECRETION: DIGESTIVE FLUID KEYWDS HYDROLASE(METALLOPROTEINASE), ASTACINS, METZINCINS EXPDTA X-RAY DIFFRACTION AUTHOR F.GRAMS,W.BODE,W.STOCKER REVDAT 6 13-DEC-23 1QJI 1 REMARK REVDAT 5 08-MAY-19 1QJI 1 REMARK REVDAT 4 12-JUL-17 1QJI 1 REVDAT 3 05-JUL-17 1QJI 1 REMARK REVDAT 2 24-FEB-09 1QJI 1 VERSN REVDAT 1 21-JAN-00 1QJI 0 JRNL AUTH F.GRAMS,V.DIVE,A.YIOTAKIS,I.YIALLOUROS,S.VASSILIOU, JRNL AUTH 2 R.ZWILLING,W.BODE,W.STOCKER JRNL TITL STRUCTURE OF ASTACIN WITH A TRANSITION-STATE ANALOGUE JRNL TITL 2 INHIBITOR JRNL REF NAT.STRUCT.BIOL. V. 3 671 1996 JRNL REFN ISSN 1072-8368 JRNL PMID 8756323 JRNL DOI 10.1038/NSB0896-671 REMARK 2 REMARK 2 RESOLUTION. 2.14 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) : 2.14 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) (%) : 70.0 REMARK 3 NUMBER OF REFLECTIONS : 7942 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : NULL 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 : 1590 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 53 REMARK 3 SOLVENT ATOMS : 165 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.44 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.700 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 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 1QJI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1290002853. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-94 REMARK 200 TEMPERATURE (KELVIN) : 289.0 REMARK 200 PH : 7.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 2.14 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : COLLIMATOR PINHOLES REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : BRUKER NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MADNESS REMARK 200 DATA SCALING SOFTWARE : PROTEIN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12071 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.140 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.600 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 77.6 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.10900 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) : 2.14 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 30.4 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1AST REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP VAPOUR DIFFUSION PH 7.0, REMARK 280 1M AMMONIUM SULFATE, PH 7.00, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 33.18667 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 66.37333 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 66.37333 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 33.18667 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 400 REMARK 400 COMPOUND REMARK 400 THE CDNA ENCODES TWO ADDITIONAL C-TERMINAL RESIDUES REMARK 400 ARG-HIS THAT ARE CLEAVED OFF POSTTRANSLATIONALLY AND REMARK 400 NOT PRESENT IN THE PROTEIN STUDIED 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 HG1 THR A 59 H1 HOH A 2066 1.30 REMARK 500 HH11 ARG A 106 H1 HOH A 2002 1.30 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 HD21 ASN A 111 HD21 ASN A 111 4555 1.22 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 SER A 72 132.06 74.35 REMARK 500 GLN A 80 131.54 -37.79 REMARK 500 ASN A 82 78.55 -111.17 REMARK 500 HIS A 104 0.33 -67.98 REMARK 500 VAL A 160 -58.16 -120.22 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 A2004 DISTANCE = 5.82 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A1201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PKF A1202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AST RELATED DB: PDB REMARK 900 RELATED ID: 1IAA RELATED DB: PDB REMARK 900 RELATED ID: 1IAB RELATED DB: PDB REMARK 900 RELATED ID: 1IAC RELATED DB: PDB REMARK 900 RELATED ID: 1IAD RELATED DB: PDB REMARK 900 RELATED ID: 1IAE RELATED DB: PDB REMARK 900 RELATED ID: 1QJJ RELATED DB: PDB DBREF 1QJI A 1 200 UNP P07584 ASTA_ASTFL 50 249 SEQRES 1 A 200 ALA ALA ILE LEU GLY ASP GLU TYR LEU TRP SER GLY GLY SEQRES 2 A 200 VAL ILE PRO TYR THR PHE ALA GLY VAL SER GLY ALA ASP SEQRES 3 A 200 GLN SER ALA ILE LEU SER GLY MET GLN GLU LEU GLU GLU SEQRES 4 A 200 LYS THR CYS ILE ARG PHE VAL PRO ARG THR THR GLU SER SEQRES 5 A 200 ASP TYR VAL GLU ILE PHE THR SER GLY SER GLY CYS TRP SEQRES 6 A 200 SER TYR VAL GLY ARG ILE SER GLY ALA GLN GLN VAL SER SEQRES 7 A 200 LEU GLN ALA ASN GLY CYS VAL TYR HIS GLY THR ILE ILE SEQRES 8 A 200 HIS GLU LEU MET HIS ALA ILE GLY PHE TYR HIS GLU HIS SEQRES 9 A 200 THR ARG MET ASP ARG ASP ASN TYR VAL THR ILE ASN TYR SEQRES 10 A 200 GLN ASN VAL ASP PRO SER MET THR SER ASN PHE ASP ILE SEQRES 11 A 200 ASP THR TYR SER ARG TYR VAL GLY GLU ASP TYR GLN TYR SEQRES 12 A 200 TYR SER ILE MET HIS TYR GLY LYS TYR SER PHE SER ILE SEQRES 13 A 200 GLN TRP GLY VAL LEU GLU THR ILE VAL PRO LEU GLN ASN SEQRES 14 A 200 GLY ILE ASP LEU THR ASP PRO TYR ASP LYS ALA HIS MET SEQRES 15 A 200 LEU GLN THR ASP ALA ASN GLN ILE ASN ASN LEU TYR THR SEQRES 16 A 200 ASN GLU CYS SER LEU HET ZN A1201 1 HET PKF A1202 58 HETNAM ZN ZINC ION HETNAM PKF CARBOBENZOXY-PRO-LYS-PHE-Y(PO2)-ALA-PRO-OME FORMUL 2 ZN ZN 2+ FORMUL 3 PKF C36 H52 N6 O9 P 1+ FORMUL 4 HOH *165(H2 O) HELIX 1 1 GLY A 5 LEU A 9 5 5 HELIX 2 2 TRP A 10 GLY A 12 5 3 HELIX 3 3 SER A 23 THR A 41 1 19 HELIX 4 4 TYR A 86 GLY A 99 1 14 HELIX 5 5 HIS A 102 ARG A 106 5 5 HELIX 6 6 ASP A 108 ASN A 111 5 4 HELIX 7 7 TYR A 117 ASN A 119 5 3 HELIX 8 8 ASP A 121 ASP A 129 5 9 HELIX 9 9 ASP A 175 LYS A 179 5 5 HELIX 10 10 LEU A 183 TYR A 194 1 12 SHEET 1 A 5 ARG A 44 PRO A 47 0 SHEET 2 A 5 VAL A 14 PHE A 19 1 N ILE A 15 O ARG A 44 SHEET 3 A 5 TYR A 54 PHE A 58 1 N VAL A 55 O THR A 18 SHEET 4 A 5 ALA A 74 LEU A 79 1 N GLN A 75 O TYR A 54 SHEET 5 A 5 CYS A 64 SER A 66 -1 N TRP A 65 O SER A 78 SHEET 1 B 2 VAL A 113 ILE A 115 0 SHEET 2 B 2 ILE A 164 PRO A 166 -1 N VAL A 165 O THR A 114 SSBOND 1 CYS A 42 CYS A 198 1555 1555 2.01 SSBOND 2 CYS A 64 CYS A 84 1555 1555 2.02 SITE 1 AC1 4 HIS A 92 HIS A 96 HIS A 102 PKF A1202 SITE 1 AC2 17 CYS A 64 TRP A 65 SER A 66 TYR A 67 SITE 2 AC2 17 GLY A 83 HIS A 92 GLU A 93 HIS A 96 SITE 3 AC2 17 HIS A 102 TYR A 149 SER A 153 ASP A 175 SITE 4 AC2 17 ZN A1201 HOH A2070 HOH A2085 HOH A2147 SITE 5 AC2 17 HOH A2165 CRYST1 61.170 61.170 99.560 90.00 90.00 120.00 P 31 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 0.016348 0.009438 0.000000 0.00000 SCALE2 0.000000 0.018877 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010044 0.00000