PDB Short entry for 1EOU HEADER LYASE 24-MAR-00 1EOU TITLE CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II COMPLEXED WITH AN TITLE 2 ANTICONVULSANT SUGAR SULFAMATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE II (CA II); COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL_LINE: ERYTHROCYTES; SOURCE 6 CELLULAR_LOCATION: CYTOPLASMERYTHROCYTES KEYWDS HYDROLASE, CO2 HYDRATION, PROTEIN-INHIBITOR COMPLEX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR R.RECACHA,M.J.COSTANZO,B.E.MARYANOFF,D.CHATTOPADHYAY REVDAT 6 13-MAR-24 1EOU 1 COMPND SOURCE REVDAT 5 07-FEB-24 1EOU 1 REMARK LINK REVDAT 4 07-MAR-18 1EOU 1 REMARK REVDAT 3 24-FEB-09 1EOU 1 VERSN REVDAT 2 01-APR-03 1EOU 1 JRNL REVDAT 1 13-FEB-02 1EOU 0 JRNL AUTH R.RECACHA,M.J.COSTANZO,B.E.MARYANOFF,D.CHATTOPADHYAY JRNL TITL CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II COMPLEXED JRNL TITL 2 WITH AN ANTI-CONVULSANT SUGAR SULPHAMATE. JRNL REF BIOCHEM.J. V. 361 437 2002 JRNL REFN ISSN 0264-6021 JRNL PMID 11802772 JRNL DOI 10.1042/0264-6021:3610437 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.R.SCOLNICK,A.M.CLEMENTS,D.W.CHRISTIANSON REMARK 1 TITL NOVEL BINDING MODE OF HYDROXAMATE INHIBITORS TO HUMAN REMARK 1 TITL 2 CARBONIC ANHYDRASE II REMARK 1 REF J.AM.CHEM.SOC. V. 119 850 1997 REMARK 1 REFN ISSN 0002-7863 REMARK 1 DOI 10.1021/JA963832Z REMARK 1 REFERENCE 2 REMARK 1 AUTH B.E.MARYANOFF,M.J.COSTANZO,S.O.NORTEY,M.N.GRECO,R.P.SHANK REMARK 1 TITL TRUCTURE-ACTIVITY STUDIES ON ANTICONVULSANT SUGAR SULFAMATES REMARK 1 TITL 2 RELATED TO TOPIRAMATE. ENHANCED POTENCY WITH CYCLIC SULFATE REMARK 1 TITL 3 DERIVATIVES REMARK 1 REF J.MED.CHEM. V. 41 1315 1998 REMARK 1 REFN ISSN 0022-2623 REMARK 1 DOI 10.1021/JM970790W REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1327714.210 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.9 REMARK 3 NUMBER OF REFLECTIONS : 13084 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) : 0.176 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1338 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1825 REMARK 3 BIN R VALUE (WORKING SET) : 0.1740 REMARK 3 BIN FREE R VALUE : 0.2480 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 205 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2054 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 179 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 3.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.78000 REMARK 3 B22 (A**2) : -1.41000 REMARK 3 B33 (A**2) : 2.19000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.30000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.10 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 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) : 0.680 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.110 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.010 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.490 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 46.85 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.PA REMARK 3 PARAMETER FILE 2 : INH.PARAM REMARK 3 PARAMETER FILE 3 : ZN.PARAM REMARK 3 PARAMETER FILE 4 : WATER_REP.PARA REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : INH.TOP REMARK 3 TOPOLOGY FILE 3 : TOPH19.ION REMARK 3 TOPOLOGY FILE 4 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1EOU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-APR-00. REMARK 100 THE DEPOSITION ID IS D_1000010780. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 8.8 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 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14360 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.3 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.11000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS.HCL, SMMONIUM SULFATE, REMARK 280 DITHIOTHREITOL, PH 8.8, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 20.69500 REMARK 290 SMTRY3 2 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HUMAN CARBONIC ANHYDRASE REMARK 300 MONOMER COMPLEXED WITH A ZINC ION AND THE INHIBITOR RWJ-37947 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 HIS A 3 CG ND1 CD2 CE1 NE2 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 HIS A 4 -123.63 -95.50 REMARK 500 ASN A 11 12.25 -141.23 REMARK 500 ARG A 27 59.68 -140.15 REMARK 500 LEU A 57 -53.36 -122.67 REMARK 500 LYS A 111 -3.36 73.30 REMARK 500 PHE A 175 47.12 -140.70 REMARK 500 ASN A 243 51.20 -93.39 REMARK 500 LYS A 251 -138.12 56.07 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 ZN A 300 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 105.7 REMARK 620 3 HIS A 119 ND1 114.5 103.6 REMARK 620 4 SMS A 301 N1 115.7 103.3 112.4 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SMS A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AM6 RELATED DB: PDB REMARK 900 1AM6 CONTAINS THE SAME PROTEIN WITHOUT INHIBITOR DBREF 1EOU A 1 260 UNP P00918 CAH2_HUMAN 1 260 SEQRES 1 A 260 MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO SEQRES 2 A 260 GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU SEQRES 3 A 260 ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS SEQRES 4 A 260 TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP SEQRES 5 A 260 GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA SEQRES 6 A 260 PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU SEQRES 10 A 260 LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE SEQRES 11 A 260 GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU SEQRES 12 A 260 GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU SEQRES 13 A 260 GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS SEQRES 14 A 260 GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY SEQRES 15 A 260 LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SEQRES 16 A 260 SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP SEQRES 17 A 260 ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN SEQRES 18 A 260 VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY SEQRES 19 A 260 GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA SEQRES 20 A 260 GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 300 1 HET SMS A 301 22 HETNAM ZN ZINC ION HETNAM SMS SULFAMIC ACID 2,3-O-(1-METHYLETHYLIDENE)-4,5-O- HETNAM 2 SMS SULFONYL-BETA-FRUCTOPYRANOSE ESTER FORMUL 2 ZN ZN 2+ FORMUL 3 SMS C9 H15 N O10 S2 FORMUL 4 HOH *179(H2 O) HELIX 1 1 HIS A 15 ASP A 19 5 5 HELIX 2 2 PHE A 20 GLY A 25 5 6 HELIX 3 3 LYS A 126 GLY A 128 5 3 HELIX 4 4 ASP A 129 VAL A 134 1 6 HELIX 5 5 LYS A 153 GLY A 155 5 3 HELIX 6 6 LEU A 156 LEU A 163 1 8 HELIX 7 7 ASP A 164 LYS A 167 5 4 HELIX 8 8 ASP A 179 LEU A 184 5 6 HELIX 9 9 SER A 218 ARG A 226 1 9 SHEET 1 A 2 ASP A 32 ILE A 33 0 SHEET 2 A 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 B16 LYS A 39 TYR A 40 0 SHEET 2 B16 LYS A 256 ALA A 257 1 N ALA A 257 O LYS A 39 SHEET 3 B16 TYR A 190 GLY A 195 -1 N THR A 192 O LYS A 256 SHEET 4 B16 VAL A 206 LEU A 211 -1 O VAL A 206 N GLY A 195 SHEET 5 B16 LEU A 140 VAL A 149 1 O LEU A 140 N THR A 207 SHEET 6 B16 ILE A 215 VAL A 217 1 N ILE A 215 O PHE A 146 SHEET 7 B16 LEU A 140 VAL A 149 1 O PHE A 146 N ILE A 215 SHEET 8 B16 ALA A 116 ASN A 124 -1 O ALA A 116 N LEU A 147 SHEET 9 B16 TYR A 88 TRP A 97 -1 N ARG A 89 O TRP A 123 SHEET 10 B16 VAL A 78 GLY A 82 -1 N LEU A 79 O TYR A 88 SHEET 11 B16 LYS A 45 SER A 50 -1 N LYS A 45 O GLY A 82 SHEET 12 B16 VAL A 78 GLY A 82 -1 O VAL A 78 N SER A 50 SHEET 13 B16 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 14 B16 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 15 B16 SER A 56 ASN A 61 -1 N LEU A 57 O GLU A 69 SHEET 16 B16 SER A 172 ASP A 174 -1 O ALA A 173 N ILE A 59 LINK NE2 HIS A 94 ZN ZN A 300 1555 1555 1.96 LINK NE2 HIS A 96 ZN ZN A 300 1555 1555 2.09 LINK ND1 HIS A 119 ZN ZN A 300 1555 1555 2.03 LINK ZN ZN A 300 N1 SMS A 301 1555 1555 2.13 CISPEP 1 SER A 29 PRO A 30 0 -0.21 CISPEP 2 PRO A 200 PRO A 201 0 0.36 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 SMS A 301 SITE 1 AC2 13 ASN A 62 ASN A 67 GLN A 92 HIS A 94 SITE 2 AC2 13 HIS A 96 HIS A 119 PHE A 130 LEU A 197 SITE 3 AC2 13 THR A 198 THR A 199 PRO A 201 ZN A 300 SITE 4 AC2 13 HOH A 536 CRYST1 42.275 41.390 72.509 90.00 104.11 90.00 P 1 21 1 2 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 0.023655 0.000000 0.005946 0.00000 SCALE2 0.000000 0.024160 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014220 0.00000