HEADER METALLOENDOPEPTIDASE 16-OCT-97 4AIG TITLE ADAMALYSIN II WITH PHOSPHONATE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADAMALYSIN II; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.24.46 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CROTALUS ADAMANTEUS; SOURCE 3 ORGANISM_COMMON: EASTERN DIAMONDBACK RATTLESNAKE; SOURCE 4 ORGANISM_TAXID: 8729; SOURCE 5 SECRETION: VENOM KEYWDS SNAKE VENOM METALLOENDOPEPTIDASE, ZINC PROTEASE, METALLOENDOPEPTIDASE EXPDTA X-RAY DIFFRACTION AUTHOR G.POCHETTI,F.MAZZA,E.GAVUZZO,M.CIRILLI REVDAT 3 09-AUG-23 4AIG 1 REMARK LINK REVDAT 2 24-FEB-09 4AIG 1 VERSN REVDAT 1 11-NOV-98 4AIG 0 JRNL AUTH M.CIRILLI,C.GALLINA,E.GAVUZZO,C.GIORDANO,F.X.GOMIS-RUTH, JRNL AUTH 2 B.GORINI,L.F.KRESS,F.MAZZA,M.P.PARADISI,G.POCHETTI,V.POLITI JRNL TITL 2 ANGSTROM X-RAY STRUCTURE OF ADAMALYSIN II COMPLEXED WITH A JRNL TITL 2 PEPTIDE PHOSPHONATE INHIBITOR ADOPTING A RETRO-BINDING MODE. JRNL REF FEBS LETT. V. 418 319 1997 JRNL REFN ISSN 0014-5793 JRNL PMID 9428736 JRNL DOI 10.1016/S0014-5793(97)01401-4 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH F.X.GOMIS-RUTH,L.F.KRESS,J.KELLERMANN,I.MAYR,X.LEE,R.HUBER, REMARK 1 AUTH 2 W.BODE REMARK 1 TITL REFINED 2.0 A X-RAY CRYSTAL STRUCTURE OF THE SNAKE VENOM REMARK 1 TITL 2 ZINC-ENDOPEPTIDASE ADAMALYSIN II. PRIMARY AND TERTIARY REMARK 1 TITL 3 STRUCTURE DETERMINATION, REFINEMENT, MOLECULAR STRUCTURE AND REMARK 1 TITL 4 COMPARISON WITH ASTACIN, COLLAGENASE AND THERMOLYSIN REMARK 1 REF J.MOL.BIOL. V. 239 513 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH F.X.GOMIS-RUTH,L.F.KRESS,W.BODE REMARK 1 TITL FIRST STRUCTURE OF A SNAKE VENOM METALLOPROTEINASE: A REMARK 1 TITL 2 PROTOTYPE FOR MATRIX METALLOPROTEINASES/COLLAGENASES REMARK 1 REF EMBO J. V. 12 4151 1993 REMARK 1 REFN ISSN 0261-4189 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 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) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 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 : 18583 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) : 0.177 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 : 1616 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 191 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.30 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 0.950 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.540 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: REMARK 3 RESIDUE ASN 2 WAS NOT REFINED (FOCC=0) DUE TO NO CLEAR REMARK 3 DENSITY. REMARK 4 REMARK 4 4AIG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179255. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 279 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 4 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4 REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19533 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.11200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.33100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1IAG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 M AMMONIUM SULPHATE REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 1 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -Y,-X,-Z+1/3 REMARK 290 5555 -X+Y,Y,-Z+2/3 REMARK 290 6555 X,X-Y,-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 -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 64.60000 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 32.30000 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 32.30000 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 64.60000 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 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 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 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 96.90000 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ASN A 2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 155 CD CE NZ REMARK 480 LYS A 188 CD CE NZ 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 ARG A 89 -140.46 -101.61 REMARK 500 CYS A 117 -13.40 89.18 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 ARG A 32 0.13 SIDE CHAIN REMARK 500 ARG A 82 0.10 SIDE CHAIN REMARK 500 TYR A 185 0.07 SIDE CHAIN 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 250 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 9 OE1 REMARK 620 2 ASP A 93 OD1 97.7 REMARK 620 3 ASP A 93 OD2 94.2 50.6 REMARK 620 4 GLN A 196 OE1 96.3 79.5 130.0 REMARK 620 5 CYS A 197 O 176.0 86.2 87.5 85.4 REMARK 620 6 ASN A 200 OD1 95.4 156.6 147.3 79.8 81.4 REMARK 620 7 HOH A 504 O 92.1 123.8 73.6 154.0 84.9 74.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 999 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 142 NE2 REMARK 620 2 HIS A 146 NE2 103.2 REMARK 620 3 HIS A 152 NE2 114.8 104.1 REMARK 620 4 FLX A 400 O2 117.2 125.2 91.4 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 999 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FLX A 400 DBREF 4AIG A 2 202 UNP P34179 ADAM_CROAD 3 203 SEQRES 1 A 201 ASN LEU PRO GLN ARG TYR ILE GLU LEU VAL VAL VAL ALA SEQRES 2 A 201 ASP ARG ARG VAL PHE MET LYS TYR ASN SER ASP LEU ASN SEQRES 3 A 201 ILE ILE ARG THR ARG VAL HIS GLU ILE VAL ASN ILE ILE SEQRES 4 A 201 ASN GLU PHE TYR ARG SER LEU ASN ILE ARG VAL SER LEU SEQRES 5 A 201 THR ASP LEU GLU ILE TRP SER GLY GLN ASP PHE ILE THR SEQRES 6 A 201 ILE GLN SER SER SER SER ASN THR LEU ASN SER PHE GLY SEQRES 7 A 201 GLU TRP ARG GLU ARG VAL LEU LEU THR ARG LYS ARG HIS SEQRES 8 A 201 ASP ASN ALA GLN LEU LEU THR ALA ILE ASN PHE GLU GLY SEQRES 9 A 201 LYS ILE ILE GLY LYS ALA TYR THR SER SER MET CYS ASN SEQRES 10 A 201 PRO ARG SER SER VAL GLY ILE VAL LYS ASP HIS SER PRO SEQRES 11 A 201 ILE ASN LEU LEU VAL ALA VAL THR MET ALA HIS GLU LEU SEQRES 12 A 201 GLY HIS ASN LEU GLY MET GLU HIS ASP GLY LYS ASP CYS SEQRES 13 A 201 LEU ARG GLY ALA SER LEU CYS ILE MET ARG PRO GLY LEU SEQRES 14 A 201 THR PRO GLY ARG SER TYR GLU PHE SER ASP ASP SER MET SEQRES 15 A 201 GLY TYR TYR GLN LYS PHE LEU ASN GLN TYR LYS PRO GLN SEQRES 16 A 201 CYS ILE LEU ASN LYS PRO HET ZN A 999 1 HET CA A 250 1 HET FLX A 400 31 HETNAM ZN ZINC ION HETNAM CA CALCIUM ION HETNAM FLX N-[(FURAN-2-YL)CARBONYL]-(S)-LEUCYL-(R)-[1-AMINO-2(1H- HETNAM 2 FLX INDOL-3-YL)ETHYL]-PHOSPHONIC ACID FORMUL 2 ZN ZN 2+ FORMUL 3 CA CA 2+ FORMUL 4 FLX C21 H26 N3 O6 P FORMUL 5 HOH *191(H2 O) HELIX 1 1 ASP A 15 TYR A 22 1 8 HELIX 2 2 ASP A 25 ARG A 45 1 21 HELIX 3 3 SER A 70 LEU A 87 1 18 HELIX 4 4 ILE A 132 GLY A 149 1 18 HELIX 5 5 SER A 179 LYS A 194 1 16 SHEET 1 A 5 ASN A 48 TRP A 59 0 SHEET 2 A 5 ARG A 6 ALA A 14 1 SHEET 3 A 5 ASP A 93 THR A 99 1 SHEET 4 A 5 SER A 122 ASP A 128 1 SHEET 5 A 5 ILE A 108 TYR A 112 -1 SSBOND 1 CYS A 117 CYS A 197 1555 1555 2.03 SSBOND 2 CYS A 157 CYS A 164 1555 1555 2.03 LINK OE1 GLU A 9 CA CA A 250 1555 1555 2.48 LINK OD1 ASP A 93 CA CA A 250 1555 1555 2.43 LINK OD2 ASP A 93 CA CA A 250 1555 1555 2.70 LINK NE2 HIS A 142 ZN ZN A 999 1555 1555 2.08 LINK NE2 HIS A 146 ZN ZN A 999 1555 1555 2.15 LINK NE2 HIS A 152 ZN ZN A 999 1555 1555 2.33 LINK OE1 GLN A 196 CA CA A 250 5555 1555 2.24 LINK O CYS A 197 CA CA A 250 1555 1555 2.32 LINK OD1 ASN A 200 CA CA A 250 1555 1555 2.38 LINK CA CA A 250 O HOH A 504 1555 1555 2.50 LINK O2 FLX A 400 ZN ZN A 999 1555 1555 2.00 SITE 1 AC1 4 HIS A 142 HIS A 146 HIS A 152 FLX A 400 SITE 1 AC2 6 GLU A 9 ASP A 93 GLN A 196 CYS A 197 SITE 2 AC2 6 ASN A 200 HOH A 504 SITE 1 AC3 19 GLY A 105 LYS A 106 ILE A 107 ILE A 108 SITE 2 AC3 19 GLY A 109 HIS A 142 GLU A 143 HIS A 146 SITE 3 AC3 19 HIS A 152 ILE A 165 ARG A 167 PRO A 168 SITE 4 AC3 19 GLY A 169 LEU A 170 HOH A 503 HOH A 512 SITE 5 AC3 19 HOH A 615 HOH A 617 ZN A 999 CRYST1 73.500 73.500 96.900 90.00 90.00 120.00 P 32 1 2 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 0.013605 0.007855 0.000000 0.00000 SCALE2 0.000000 0.015710 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010320 0.00000