HEADER HYDROLASE/HYDROLASE INHIBITOR 11-APR-18 6D1D TITLE CRYSTAL STRUCTURE OF NDM-1 COMPLEXED WITH COMPOUND 6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: METALLO-BETA-LACTAMASE TYPE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: B2 METALLO-BETA-LACTAMASE,BETA-LACTAMASE TYPE II,METALLO- COMPND 5 BETA-LACTAMASE NDM-1,METALLO-BETA-LACTAMASE TYPE II,NEW DELHI COMPND 6 METALLO-BETA-LACTAMASE-1,NDM-1; COMPND 7 EC: 3.5.2.6; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 573; SOURCE 4 GENE: BLANDM-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS BETA-LACTAMASE, CARBAPENEMASE, PHOSPHONATE, INHIBITOR, HYDROLASE, KEYWDS 2 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR O.A.PEMBERTON,Y.CHEN REVDAT 5 04-OCT-23 6D1D 1 LINK REVDAT 4 18-DEC-19 6D1D 1 REMARK REVDAT 3 09-OCT-19 6D1D 1 JRNL REVDAT 2 02-OCT-19 6D1D 1 JRNL REVDAT 1 17-APR-19 6D1D 0 JRNL AUTH O.A.PEMBERTON,P.JAISHANKAR,A.AKHTAR,J.L.ADAMS,L.N.SHAW, JRNL AUTH 2 A.R.RENSLO,Y.CHEN JRNL TITL HETEROARYL PHOSPHONATES AS NONCOVALENT INHIBITORS OF BOTH JRNL TITL 2 SERINE- AND METALLOCARBAPENEMASES. JRNL REF J.MED.CHEM. V. 62 8480 2019 JRNL REFN ISSN 0022-2623 JRNL PMID 31483651 JRNL DOI 10.1021/ACS.JMEDCHEM.9B00728 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.32 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.130 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.4 REMARK 3 NUMBER OF REFLECTIONS : 37664 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.136 REMARK 3 R VALUE (WORKING SET) : 0.135 REMARK 3 FREE R VALUE : 0.161 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.040 REMARK 3 FREE R VALUE TEST SET COUNT : 3539 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 24.3224 - 4.0874 0.94 2864 138 0.1456 0.1664 REMARK 3 2 4.0874 - 3.2467 0.98 2934 181 0.1305 0.1322 REMARK 3 3 3.2467 - 2.8370 0.97 2957 149 0.1301 0.1402 REMARK 3 4 2.8370 - 2.5780 0.96 2908 130 0.1401 0.1662 REMARK 3 5 2.5780 - 2.3934 0.94 2858 142 0.1255 0.1349 REMARK 3 6 2.3934 - 2.2524 0.94 2816 181 0.1294 0.1427 REMARK 3 7 2.2524 - 2.1396 0.94 2849 126 0.1223 0.1600 REMARK 3 8 2.1396 - 2.0465 0.94 2827 173 0.1243 0.1552 REMARK 3 9 2.0465 - 1.9678 0.93 2797 147 0.1217 0.1697 REMARK 3 10 1.9678 - 1.8999 0.93 2749 174 0.1358 0.1722 REMARK 3 11 1.8999 - 1.8405 0.91 2764 150 0.1285 0.1632 REMARK 3 12 1.8405 - 1.7879 0.89 2680 161 0.1317 0.1625 REMARK 3 13 1.7879 - 1.7409 0.90 2734 110 0.1294 0.1732 REMARK 3 14 1.7409 - 1.6984 0.88 2615 167 0.1292 0.2010 REMARK 3 15 1.6984 - 1.6598 0.89 2677 114 0.1341 0.1952 REMARK 3 16 1.6598 - 1.6245 0.88 2693 119 0.1363 0.1513 REMARK 3 17 1.6245 - 1.5920 0.88 2608 189 0.1390 0.1912 REMARK 3 18 1.5920 - 1.5620 0.86 2642 110 0.1283 0.1725 REMARK 3 19 1.5620 - 1.5341 0.87 2536 189 0.1328 0.1825 REMARK 3 20 1.5341 - 1.5081 0.84 2532 171 0.1557 0.1983 REMARK 3 21 1.5081 - 1.4838 0.85 2596 85 0.1580 0.2110 REMARK 3 22 1.4838 - 1.4609 0.79 2437 129 0.1634 0.1983 REMARK 3 23 1.4609 - 1.4395 0.75 2215 102 0.1781 0.2339 REMARK 3 24 1.4395 - 1.4192 0.73 2295 100 0.1828 0.2369 REMARK 3 25 1.4192 - 1.4000 0.71 2117 102 0.1934 0.2056 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.110 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.090 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.65 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.65 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6D1D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000233801. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979193 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM 7.2.1 REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.22 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37707 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 34.220 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : 0.04700 REMARK 200 FOR THE DATA SET : 12.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.21300 REMARK 200 R SYM FOR SHELL (I) : 0.02700 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: PHASER 2.8.1 REMARK 200 STARTING MODEL: 4TZF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM POTASSIUM PHOSPHATE MONOBASIC, REMARK 280 10 MM CALCIUM CHLORIDE, 25% (W/V) PEG8000, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293.15K 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 30.14500 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLY A 38 REMARK 465 SER A 39 REMARK 465 HIS A 40 REMARK 465 MET A 41 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 O HOH A 595 O HOH A 599 1.95 REMARK 500 O HOH A 634 O HOH A 645 2.00 REMARK 500 O HOH A 596 O HOH A 717 2.07 REMARK 500 O HOH A 558 O HOH A 559 2.14 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 ASP A 90 142.33 75.72 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 A 729 DISTANCE = 5.91 ANGSTROMS REMARK 525 HOH A 730 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 731 DISTANCE = 6.29 ANGSTROMS REMARK 525 HOH A 732 DISTANCE = 6.35 ANGSTROMS 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 120 NE2 REMARK 620 2 HIS A 122 ND1 100.9 REMARK 620 3 HIS A 189 NE2 101.1 115.6 REMARK 620 4 GTV A 303 O11 112.9 105.3 119.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 208 SG REMARK 620 2 HIS A 250 NE2 120.1 REMARK 620 3 GTV A 303 O10 131.7 104.0 REMARK 620 4 ACT A 304 OXT 104.8 96.6 87.4 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GTV A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 305 DBREF 6D1D A 42 270 UNP C7C422 BLAN1_KLEPN 42 270 SEQADV 6D1D GLY A 38 UNP C7C422 EXPRESSION TAG SEQADV 6D1D SER A 39 UNP C7C422 EXPRESSION TAG SEQADV 6D1D HIS A 40 UNP C7C422 EXPRESSION TAG SEQADV 6D1D MET A 41 UNP C7C422 EXPRESSION TAG SEQRES 1 A 233 GLY SER HIS MET GLY ASP GLN ARG PHE GLY ASP LEU VAL SEQRES 2 A 233 PHE ARG GLN LEU ALA PRO ASN VAL TRP GLN HIS THR SER SEQRES 3 A 233 TYR LEU ASP MET PRO GLY PHE GLY ALA VAL ALA SER ASN SEQRES 4 A 233 GLY LEU ILE VAL ARG ASP GLY GLY ARG VAL LEU VAL VAL SEQRES 5 A 233 ASP THR ALA TRP THR ASP ASP GLN THR ALA GLN ILE LEU SEQRES 6 A 233 ASN TRP ILE LYS GLN GLU ILE ASN LEU PRO VAL ALA LEU SEQRES 7 A 233 ALA VAL VAL THR HIS ALA HIS GLN ASP LYS MET GLY GLY SEQRES 8 A 233 MET ASP ALA LEU HIS ALA ALA GLY ILE ALA THR TYR ALA SEQRES 9 A 233 ASN ALA LEU SER ASN GLN LEU ALA PRO GLN GLU GLY MET SEQRES 10 A 233 VAL ALA ALA GLN HIS SER LEU THR PHE ALA ALA ASN GLY SEQRES 11 A 233 TRP VAL GLU PRO ALA THR ALA PRO ASN PHE GLY PRO LEU SEQRES 12 A 233 LYS VAL PHE TYR PRO GLY PRO GLY HIS THR SER ASP ASN SEQRES 13 A 233 ILE THR VAL GLY ILE ASP GLY THR ASP ILE ALA PHE GLY SEQRES 14 A 233 GLY CYS LEU ILE LYS ASP SER LYS ALA LYS SER LEU GLY SEQRES 15 A 233 ASN LEU GLY ASP ALA ASP THR GLU HIS TYR ALA ALA SER SEQRES 16 A 233 ALA ARG ALA PHE GLY ALA ALA PHE PRO LYS ALA SER MET SEQRES 17 A 233 ILE VAL MET SER HIS SER ALA PRO ASP SER ARG ALA ALA SEQRES 18 A 233 ILE THR HIS THR ALA ARG MET ALA ASP LYS LEU ARG HET ZN A 301 1 HET ZN A 302 1 HET GTV A 303 18 HET ACT A 304 4 HET ACT A 305 4 HETNAM ZN ZINC ION HETNAM GTV [(5,7-DIMETHYL-2-OXO-2H-1-BENZOPYRAN-4-YL) HETNAM 2 GTV METHYL]PHOSPHONIC ACID HETNAM ACT ACETATE ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 GTV C12 H13 O5 P FORMUL 5 ACT 2(C2 H3 O2 1-) FORMUL 7 HOH *332(H2 O) HELIX 1 AA1 THR A 94 ILE A 109 1 16 HELIX 2 AA2 HIS A 122 GLY A 127 1 6 HELIX 3 AA3 GLY A 128 ALA A 135 1 8 HELIX 4 AA4 ALA A 143 ALA A 149 1 7 HELIX 5 AA5 PRO A 150 GLY A 153 5 4 HELIX 6 AA6 GLU A 170 ALA A 174 5 5 HELIX 7 AA7 HIS A 228 PHE A 240 1 13 HELIX 8 AA8 ARG A 256 LYS A 268 1 13 SHEET 1 AA1 8 GLN A 44 PHE A 46 0 SHEET 2 AA1 8 LEU A 49 ALA A 55 -1 O PHE A 51 N GLN A 44 SHEET 3 AA1 8 VAL A 58 MET A 67 -1 O GLN A 60 N ARG A 52 SHEET 4 AA1 8 GLY A 71 ASP A 82 -1 O VAL A 73 N LEU A 65 SHEET 5 AA1 8 ARG A 85 VAL A 89 -1 O LEU A 87 N VAL A 80 SHEET 6 AA1 8 VAL A 113 VAL A 118 1 O VAL A 117 N VAL A 88 SHEET 7 AA1 8 ALA A 138 ASN A 142 1 O TYR A 140 N VAL A 118 SHEET 8 AA1 8 HIS A 159 LEU A 161 1 O LEU A 161 N ALA A 141 SHEET 1 AA2 4 LEU A 180 PHE A 183 0 SHEET 2 AA2 4 THR A 195 ILE A 198 -1 O GLY A 197 N LYS A 181 SHEET 3 AA2 4 ILE A 203 GLY A 207 -1 O PHE A 205 N VAL A 196 SHEET 4 AA2 4 MET A 245 MET A 248 1 O VAL A 247 N GLY A 206 LINK NE2 HIS A 120 ZN ZN A 301 1555 1555 2.05 LINK ND1 HIS A 122 ZN ZN A 301 1555 1555 2.02 LINK NE2 HIS A 189 ZN ZN A 301 1555 1555 2.03 LINK SG CYS A 208 ZN ZN A 302 1555 1555 2.20 LINK NE2 HIS A 250 ZN ZN A 302 1555 1555 1.96 LINK ZN ZN A 301 O11 GTV A 303 1555 1555 1.96 LINK ZN ZN A 302 O10 GTV A 303 1555 1555 1.89 LINK ZN ZN A 302 OXT ACT A 304 1555 1555 2.14 SITE 1 AC1 4 HIS A 120 HIS A 122 HIS A 189 GTV A 303 SITE 1 AC2 5 ASP A 124 CYS A 208 HIS A 250 GTV A 303 SITE 2 AC2 5 ACT A 304 SITE 1 AC3 11 VAL A 73 HIS A 120 HIS A 122 ASP A 124 SITE 2 AC3 11 HIS A 189 CYS A 208 ASN A 220 HIS A 250 SITE 3 AC3 11 ZN A 301 ZN A 302 ACT A 304 SITE 1 AC4 9 HIS A 189 CYS A 208 LYS A 211 LEU A 218 SITE 2 AC4 9 GLY A 219 ASN A 220 HIS A 250 ZN A 302 SITE 3 AC4 9 GTV A 303 SITE 1 AC5 7 ALA A 121 HIS A 122 GLU A 152 THR A 190 SITE 2 AC5 7 ASP A 192 ASP A 223 HOH A 411 CRYST1 41.560 60.290 41.980 90.00 98.02 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 0.024062 0.000000 0.003390 0.00000 SCALE2 0.000000 0.016586 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024056 0.00000