HEADER TOXIN 03-SEP-98 1BUD TITLE ACUTOLYSIN A FROM SNAKE VENOM OF AGKISTRODON ACUTUS AT PH 5.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ACUTOLYSIN A); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HEMORRHAGIN I, IAAH-I SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DEINAGKISTRODON ACUTUS; SOURCE 3 ORGANISM_COMMON: CHINESE MOCCASIN; SOURCE 4 ORGANISM_TAXID: 36307; SOURCE 5 SECRETION: VENOM KEYWDS METALLOPROTEINASE, SNAKE VENOM, MMP, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR W.GONG,X.ZHU,S.LIU,M.TENG,L.NIU REVDAT 5 09-AUG-23 1BUD 1 REMARK SEQADV LINK REVDAT 4 04-APR-18 1BUD 1 REMARK REVDAT 3 24-FEB-09 1BUD 1 VERSN REVDAT 2 23-SEP-03 1BUD 1 DBREF REVDAT 1 07-SEP-99 1BUD 0 JRNL AUTH W.GONG,X.ZHU,S.LIU,M.TENG,L.NIU JRNL TITL CRYSTAL STRUCTURES OF ACUTOLYSIN A, A THREE-DISULFIDE JRNL TITL 2 HEMORRHAGIC ZINC METALLOPROTEINASE FROM THE SNAKE VENOM OF JRNL TITL 3 AGKISTRODON ACUTUS. JRNL REF J.MOL.BIOL. V. 283 657 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9784374 JRNL DOI 10.1006/JMBI.1998.2110 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.GONG,Z.ZHU,L.NIU,M.TENG REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES OF REMARK 1 TITL 2 HAEHORRHAGIN I FROM THE SNAKE VENOM OF AGKISTRODON ACUTUS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 201 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.0 REMARK 3 NUMBER OF REFLECTIONS : 14082 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) : 0.169 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 : 1528 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 162 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.610 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 1BUD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000007315. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : SEALED TUBE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14082 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05000 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1IAG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 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+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 47.74500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.73500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.73500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 71.61750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.73500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.73500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 23.87250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.73500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.73500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 71.61750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.73500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.73500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 23.87250 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 0.00000 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 47.74500 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: MONOMERIC 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 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 85 -76.59 -115.22 REMARK 500 ALA A 106 50.93 -94.01 REMARK 500 CYS A 117 -14.85 80.63 REMARK 500 LYS A 176 29.16 -72.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 900 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 9 OE2 REMARK 620 2 ASP A 93 OD2 98.7 REMARK 620 3 ASP A 93 OD1 101.4 56.6 REMARK 620 4 CYS A 197 O 170.9 87.5 87.6 REMARK 620 5 ASN A 200 OD1 98.0 143.1 148.8 73.2 REMARK 620 6 HOH A 562 O 91.1 79.0 135.1 83.4 68.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 800 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 142 NE2 REMARK 620 2 HIS A 146 NE2 100.8 REMARK 620 3 HIS A 152 NE2 110.8 101.0 REMARK 620 4 HOH A 561 O 107.9 114.6 119.9 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 800 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 900 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BWS RELATED DB: PDB DBREF 1BUD A 4 200 UNP Q9PW35 ACLA_AGKAC 191 388 SEQADV 1BUD SER A 28 UNP Q9PW35 LYS 215 CONFLICT SEQADV 1BUD LYS A 48 UNP Q9PW35 TYR 235 CONFLICT SEQADV 1BUD SER A 52 UNP Q9PW35 ILE 239 CONFLICT SEQADV 1BUD GLY A 61 UNP Q9PW35 GLU 248 CONFLICT SEQADV 1BUD ASP A 66 UNP Q9PW35 ASN 253 CONFLICT SEQADV 1BUD ALA A 69 UNP Q9PW35 THR 256 CONFLICT SEQADV 1BUD GLY A 72 UNP Q9PW35 GLU 259 CONFLICT SEQADV 1BUD ALA A 106 UNP Q9PW35 PRO 293 CONFLICT SEQADV 1BUD ASN A 118 UNP Q9PW35 ASP 305 CONFLICT SEQADV 1BUD ILE A 126 UNP Q9PW35 VAL 313 CONFLICT SEQADV 1BUD SER A 151 UNP Q9PW35 ARG 338 CONFLICT SEQADV 1BUD A UNP Q9PW35 SER 248 CONFLICT SEQADV 1BUD LYS A 162 UNP Q9PW35 TYR 250 CONFLICT SEQADV 1BUD SER A 163 UNP Q9PW35 THR 251 CONFLICT SEQADV 1BUD SER A 169 UNP Q9PW35 VAL 257 CONFLICT SEQADV 1BUD SER A 171 UNP Q9PW35 ASN 259 CONFLICT SEQADV 1BUD ASP A 172 UNP Q9PW35 SER 260 CONFLICT SEQADV 1BUD THR A 174 UNP Q9PW35 VAL 262 CONFLICT SEQADV 1BUD ASP A 188 UNP Q9PW35 GLU 376 CONFLICT SEQRES 1 A 197 PHE GLN ARG TYR MET GLU ILE VAL ILE VAL VAL ASP HIS SEQRES 2 A 197 SER MET VAL LYS LYS TYR ASN GLY ASP SER ASP SER ILE SEQRES 3 A 197 LYS ALA TRP VAL TYR GLU MET ILE ASN THR ILE THR GLU SEQRES 4 A 197 SER TYR SER TYR LEU LYS ILE ASP ILE SER LEU SER GLY SEQRES 5 A 197 LEU GLU ILE TRP SER GLY LYS ASP LEU ILE ASP VAL GLU SEQRES 6 A 197 ALA SER ALA GLY ASN THR LEU LYS SER PHE GLY GLU TRP SEQRES 7 A 197 ARG ALA LYS ASP LEU ILE HIS ARG ILE SER HIS ASP ASN SEQRES 8 A 197 ALA GLN LEU LEU THR ALA THR ASP PHE ASP GLY ALA THR SEQRES 9 A 197 ILE GLY LEU ALA TYR VAL ALA SER MET CYS ASN PRO LYS SEQRES 10 A 197 ARG SER VAL GLY VAL ILE GLN ASP HIS SER SER VAL ASN SEQRES 11 A 197 ARG LEU VAL ALA ILE THR LEU ALA HIS GLU MET ALA HIS SEQRES 12 A 197 ASN LEU GLY VAL SER HIS ASP GLU GLY SER CYS SER CYS SEQRES 13 A 197 GLY GLY LYS SER CYS ILE MET SER PRO SER ILE SER ASP SEQRES 14 A 197 GLU THR ILE LYS TYR PHE SER ASP CYS SER TYR ILE GLN SEQRES 15 A 197 CYS ARG ASP TYR ILE SER LYS GLU ASN PRO PRO CYS ILE SEQRES 16 A 197 LEU ASN HET ZN A 800 1 HET CA A 900 1 HETNAM ZN ZINC ION HETNAM CA CALCIUM ION FORMUL 2 ZN ZN 2+ FORMUL 3 CA CA 2+ FORMUL 4 HOH *162(H2 O) HELIX 1 1 HIS A 16 LYS A 21 1 6 HELIX 2 2 SER A 26 LEU A 47 1 22 HELIX 3 3 ALA A 71 LYS A 84 1 14 HELIX 4 4 LEU A 86 HIS A 88 5 3 HELIX 5 5 ASN A 133 ASN A 147 1 15 HELIX 6 6 ASP A 180 GLU A 193 1 14 HELIX 7 7 PRO A 196 ILE A 198 5 3 SHEET 1 A 5 GLY A 109 ALA A 111 0 SHEET 2 A 5 VAL A 123 GLN A 127 -1 N VAL A 125 O LEU A 110 SHEET 3 A 5 ASN A 94 THR A 99 1 N ALA A 95 O GLY A 124 SHEET 4 A 5 ARG A 6 VAL A 14 1 N VAL A 11 O ASN A 94 SHEET 5 A 5 ILE A 49 ILE A 58 1 N ASP A 50 O ARG A 6 SSBOND 1 CYS A 117 CYS A 197 1555 1555 2.02 SSBOND 2 CYS A 157 CYS A 181 1555 1555 2.01 SSBOND 3 CYS A 159 CYS A 164 1555 1555 2.04 LINK OE2 GLU A 9 CA CA A 900 1555 1555 1.98 LINK OD2 ASP A 93 CA CA A 900 1555 1555 2.35 LINK OD1 ASP A 93 CA CA A 900 1555 1555 2.23 LINK NE2 HIS A 142 ZN ZN A 800 1555 1555 1.98 LINK NE2 HIS A 146 ZN ZN A 800 1555 1555 2.09 LINK NE2 HIS A 152 ZN ZN A 800 1555 1555 2.07 LINK O CYS A 197 CA CA A 900 1555 1555 2.35 LINK OD1 ASN A 200 CA CA A 900 1555 1555 2.48 LINK O HOH A 561 ZN ZN A 800 1555 1555 2.24 LINK O HOH A 562 CA CA A 900 1555 1555 2.32 SITE 1 AC1 4 HIS A 142 HIS A 146 HIS A 152 HOH A 561 SITE 1 AC2 5 GLU A 9 ASP A 93 CYS A 197 ASN A 200 SITE 2 AC2 5 HOH A 562 CRYST1 63.470 63.470 95.490 90.00 90.00 90.00 P 43 21 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 0.015755 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015755 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010472 0.00000