HEADER LYASE 26-MAR-18 6G3V TITLE CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE I IN COMPLEX WITH THE TITLE 2 INHIBITOR FAMOTIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CARBONATE DEHYDRATASE I,CARBONIC ANHYDRASE B,CAB,CARBONIC COMPND 5 ANHYDRASE I,CA-I; COMPND 6 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 OTHER_DETAILS: ERYTROCYTES KEYWDS LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.FERRARONI,C.T.SUPURAN,A.ANGELI REVDAT 2 17-JAN-24 6G3V 1 LINK REVDAT 1 28-NOV-18 6G3V 0 JRNL AUTH A.ANGELI,M.FERRARONI,C.T.SUPURAN JRNL TITL FAMOTIDINE, AN ANTIULCER AGENT, STRONGLY JRNL TITL 2 INHIBITSHELICOBACTER PYLORIAND HUMAN CARBONIC ANHYDRASES. JRNL REF ACS MED CHEM LETT V. 9 1035 2018 JRNL REFN ISSN 1948-5875 JRNL PMID 30344913 JRNL DOI 10.1021/ACSMEDCHEMLETT.8B00334 REMARK 2 REMARK 2 RESOLUTION. 1.69 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.6 REMARK 3 NUMBER OF REFLECTIONS : 54371 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 + TEST SET) : 0.217 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2927 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4001 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 159 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.05000 REMARK 3 B22 (A**2) : 2.15000 REMARK 3 B33 (A**2) : -1.10000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.128 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.130 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.128 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.370 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6G3V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-MAR-18. REMARK 100 THE DEPOSITION ID IS D_1200009383. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JAN-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 9.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.873 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57352 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : 2.750 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 8.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.12000 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: 3LXE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG4000, 0.2 M SODIUM ACETATE, REMARK 280 TRIS 100 MM, PH 9.0, VAPOR DIFFUSION, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 31.25350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 60.72100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.68450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 60.72100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.25350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.68450 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 0 REMARK 465 ALA A 1 REMARK 465 SER A 2 REMARK 465 PRO A 3 REMARK 465 ASP A 4 REMARK 465 MET B 0 REMARK 465 ALA B 1 REMARK 465 SER B 2 REMARK 465 PRO B 3 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 ASP A 9 CG OD1 OD2 REMARK 470 GLU A 14 CG CD OE1 OE2 REMARK 470 GLN A 15 CG CD OE1 NE2 REMARK 470 LEU A 19 CG CD1 CD2 REMARK 470 LYS B 10 CG CD CE NZ REMARK 470 HIS B 103 CG ND1 CD2 CE1 NE2 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 B 416 O HOH B 449 2.19 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 65 -174.17 -172.34 REMARK 500 ILE A 167 46.31 -141.88 REMARK 500 ASN A 244 36.44 -153.41 REMARK 500 LYS B 57 -59.91 -128.51 REMARK 500 ASN B 75 34.06 -98.09 REMARK 500 HIS B 103 96.22 -169.24 REMARK 500 ASN B 244 39.60 -158.57 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 104.9 REMARK 620 3 HIS A 119 ND1 110.0 98.3 REMARK 620 4 FO9 A 302 N6 109.7 112.2 120.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 94 NE2 REMARK 620 2 HIS B 96 NE2 105.3 REMARK 620 3 HIS B 119 ND1 111.7 93.4 REMARK 620 4 FO9 B 302 S2 106.7 133.6 104.8 REMARK 620 5 FO9 B 302 O 92.5 161.8 83.4 32.8 REMARK 620 6 FO9 B 302 N6 124.0 95.7 118.2 38.1 70.4 REMARK 620 7 FO9 B 302 N6 110.5 127.3 107.2 6.3 38.9 31.8 REMARK 620 N 1 2 3 4 5 6 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 FO9 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FO9 B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 305 DBREF 6G3V A 0 260 UNP P00915 CAH1_HUMAN 1 261 DBREF 6G3V B 0 260 UNP P00915 CAH1_HUMAN 1 261 SEQRES 1 A 261 MET ALA SER PRO ASP TRP GLY TYR ASP ASP LYS ASN GLY SEQRES 2 A 261 PRO GLU GLN TRP SER LYS LEU TYR PRO ILE ALA ASN GLY SEQRES 3 A 261 ASN ASN GLN SER PRO VAL ASP ILE LYS THR SER GLU THR SEQRES 4 A 261 LYS HIS ASP THR SER LEU LYS PRO ILE SER VAL SER TYR SEQRES 5 A 261 ASN PRO ALA THR ALA LYS GLU ILE ILE ASN VAL GLY HIS SEQRES 6 A 261 SER PHE HIS VAL ASN PHE GLU ASP ASN ASP ASN ARG SER SEQRES 7 A 261 VAL LEU LYS GLY GLY PRO PHE SER ASP SER TYR ARG LEU SEQRES 8 A 261 PHE GLN PHE HIS PHE HIS TRP GLY SER THR ASN GLU HIS SEQRES 9 A 261 GLY SER GLU HIS THR VAL ASP GLY VAL LYS TYR SER ALA SEQRES 10 A 261 GLU LEU HIS VAL ALA HIS TRP ASN SER ALA LYS TYR SER SEQRES 11 A 261 SER LEU ALA GLU ALA ALA SER LYS ALA ASP GLY LEU ALA SEQRES 12 A 261 VAL ILE GLY VAL LEU MET LYS VAL GLY GLU ALA ASN PRO SEQRES 13 A 261 LYS LEU GLN LYS VAL LEU ASP ALA LEU GLN ALA ILE LYS SEQRES 14 A 261 THR LYS GLY LYS ARG ALA PRO PHE THR ASN PHE ASP PRO SEQRES 15 A 261 SER THR LEU LEU PRO SER SER LEU ASP PHE TRP THR TYR SEQRES 16 A 261 PRO GLY SER LEU THR HIS PRO PRO LEU TYR GLU SER VAL SEQRES 17 A 261 THR TRP ILE ILE CYS LYS GLU SER ILE SER VAL SER SER SEQRES 18 A 261 GLU GLN LEU ALA GLN PHE ARG SER LEU LEU SER ASN VAL SEQRES 19 A 261 GLU GLY ASP ASN ALA VAL PRO MET GLN HIS ASN ASN ARG SEQRES 20 A 261 PRO THR GLN PRO LEU LYS GLY ARG THR VAL ARG ALA SER SEQRES 21 A 261 PHE SEQRES 1 B 261 MET ALA SER PRO ASP TRP GLY TYR ASP ASP LYS ASN GLY SEQRES 2 B 261 PRO GLU GLN TRP SER LYS LEU TYR PRO ILE ALA ASN GLY SEQRES 3 B 261 ASN ASN GLN SER PRO VAL ASP ILE LYS THR SER GLU THR SEQRES 4 B 261 LYS HIS ASP THR SER LEU LYS PRO ILE SER VAL SER TYR SEQRES 5 B 261 ASN PRO ALA THR ALA LYS GLU ILE ILE ASN VAL GLY HIS SEQRES 6 B 261 SER PHE HIS VAL ASN PHE GLU ASP ASN ASP ASN ARG SER SEQRES 7 B 261 VAL LEU LYS GLY GLY PRO PHE SER ASP SER TYR ARG LEU SEQRES 8 B 261 PHE GLN PHE HIS PHE HIS TRP GLY SER THR ASN GLU HIS SEQRES 9 B 261 GLY SER GLU HIS THR VAL ASP GLY VAL LYS TYR SER ALA SEQRES 10 B 261 GLU LEU HIS VAL ALA HIS TRP ASN SER ALA LYS TYR SER SEQRES 11 B 261 SER LEU ALA GLU ALA ALA SER LYS ALA ASP GLY LEU ALA SEQRES 12 B 261 VAL ILE GLY VAL LEU MET LYS VAL GLY GLU ALA ASN PRO SEQRES 13 B 261 LYS LEU GLN LYS VAL LEU ASP ALA LEU GLN ALA ILE LYS SEQRES 14 B 261 THR LYS GLY LYS ARG ALA PRO PHE THR ASN PHE ASP PRO SEQRES 15 B 261 SER THR LEU LEU PRO SER SER LEU ASP PHE TRP THR TYR SEQRES 16 B 261 PRO GLY SER LEU THR HIS PRO PRO LEU TYR GLU SER VAL SEQRES 17 B 261 THR TRP ILE ILE CYS LYS GLU SER ILE SER VAL SER SER SEQRES 18 B 261 GLU GLN LEU ALA GLN PHE ARG SER LEU LEU SER ASN VAL SEQRES 19 B 261 GLU GLY ASP ASN ALA VAL PRO MET GLN HIS ASN ASN ARG SEQRES 20 B 261 PRO THR GLN PRO LEU LYS GLY ARG THR VAL ARG ALA SER SEQRES 21 B 261 PHE HET ZN A 301 1 HET FO9 A 302 20 HET ZN B 301 1 HET FO9 B 302 40 HET GOL B 303 6 HET GOL B 304 6 HET GOL B 305 6 HETNAM ZN ZINC ION HETNAM FO9 FAMOTIDINE HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 ZN 2(ZN 2+) FORMUL 4 FO9 2(C8 H17 N7 O2 S3) FORMUL 7 GOL 3(C3 H8 O3) FORMUL 10 HOH *159(H2 O) HELIX 1 AA1 GLY A 12 LEU A 19 5 8 HELIX 2 AA2 TYR A 20 GLY A 25 5 6 HELIX 3 AA3 ASN A 52 ALA A 54 5 3 HELIX 4 AA4 SER A 130 ALA A 135 1 6 HELIX 5 AA5 ASN A 154 LYS A 156 5 3 HELIX 6 AA6 LEU A 157 LEU A 164 1 8 HELIX 7 AA7 GLN A 165 ILE A 167 5 3 HELIX 8 AA8 ASP A 180 LEU A 185 5 6 HELIX 9 AA9 SER A 219 SER A 228 1 10 HELIX 10 AB1 GLN B 15 TYR B 20 1 6 HELIX 11 AB2 PRO B 21 GLY B 25 5 5 HELIX 12 AB3 LYS B 34 THR B 38 5 5 HELIX 13 AB4 ASN B 52 ALA B 54 5 3 HELIX 14 AB5 SER B 130 ALA B 135 1 6 HELIX 15 AB6 ASN B 154 LYS B 156 5 3 HELIX 16 AB7 LEU B 157 LEU B 164 1 8 HELIX 17 AB8 GLN B 165 ILE B 167 5 3 HELIX 18 AB9 ASP B 180 LEU B 185 5 6 HELIX 19 AC1 SER B 219 SER B 228 1 10 SHEET 1 AA1 2 ASP A 32 ILE A 33 0 SHEET 2 AA1 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 AA210 LYS A 39 HIS A 40 0 SHEET 2 AA210 ARG A 257 ALA A 258 1 O ALA A 258 N LYS A 39 SHEET 3 AA210 PHE A 191 GLY A 196 -1 N THR A 193 O ARG A 257 SHEET 4 AA210 VAL A 207 CYS A 212 -1 O VAL A 207 N GLY A 196 SHEET 5 AA210 LEU A 141 VAL A 150 1 N GLY A 145 O ILE A 210 SHEET 6 AA210 ALA A 116 ASN A 124 -1 N VAL A 120 O ILE A 144 SHEET 7 AA210 TYR A 88 TRP A 97 -1 N GLN A 92 O ALA A 121 SHEET 8 AA210 PHE A 66 PHE A 70 -1 N PHE A 70 O PHE A 91 SHEET 9 AA210 ALA A 56 ASN A 61 -1 N GLU A 58 O ASN A 69 SHEET 10 AA210 ARG A 173 PRO A 175 -1 O ALA A 174 N ILE A 59 SHEET 1 AA3 6 ILE A 47 SER A 50 0 SHEET 2 AA3 6 VAL A 78 GLY A 81 -1 O LYS A 80 N SER A 48 SHEET 3 AA3 6 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 AA3 6 ALA A 116 ASN A 124 -1 O ALA A 121 N GLN A 92 SHEET 5 AA3 6 LEU A 141 VAL A 150 -1 O ILE A 144 N VAL A 120 SHEET 6 AA3 6 ILE A 216 VAL A 218 1 O ILE A 216 N LYS A 149 SHEET 1 AA4 2 ASP B 32 ILE B 33 0 SHEET 2 AA4 2 THR B 108 VAL B 109 1 O THR B 108 N ILE B 33 SHEET 1 AA510 LYS B 39 HIS B 40 0 SHEET 2 AA510 ARG B 257 ALA B 258 1 O ALA B 258 N LYS B 39 SHEET 3 AA510 PHE B 191 GLY B 196 -1 N THR B 193 O ARG B 257 SHEET 4 AA510 VAL B 207 CYS B 212 -1 O VAL B 207 N GLY B 196 SHEET 5 AA510 LEU B 141 VAL B 150 1 N LEU B 141 O THR B 208 SHEET 6 AA510 ALA B 116 ASN B 124 -1 N ALA B 116 O MET B 148 SHEET 7 AA510 PHE B 84 TRP B 97 -1 N HIS B 94 O HIS B 119 SHEET 8 AA510 PHE B 66 PHE B 70 -1 N PHE B 70 O PHE B 91 SHEET 9 AA510 ALA B 56 ASN B 61 -1 N GLU B 58 O ASN B 69 SHEET 10 AA510 ARG B 173 PRO B 175 -1 O ALA B 174 N ILE B 59 SHEET 1 AA6 6 ILE B 47 SER B 50 0 SHEET 2 AA6 6 VAL B 78 GLY B 81 -1 O LYS B 80 N SER B 48 SHEET 3 AA6 6 PHE B 84 TRP B 97 -1 O TYR B 88 N LEU B 79 SHEET 4 AA6 6 ALA B 116 ASN B 124 -1 O HIS B 119 N HIS B 94 SHEET 5 AA6 6 LEU B 141 VAL B 150 -1 O MET B 148 N ALA B 116 SHEET 6 AA6 6 ILE B 216 VAL B 218 1 O ILE B 216 N LYS B 149 LINK NE2 HIS A 94 ZN ZN A 301 1555 1555 2.08 LINK NE2 HIS A 96 ZN ZN A 301 1555 1555 2.16 LINK ND1 HIS A 119 ZN ZN A 301 1555 1555 2.09 LINK ZN ZN A 301 N6 FO9 A 302 1555 1555 1.94 LINK NE2 HIS B 94 ZN ZN B 301 1555 1555 2.06 LINK NE2 HIS B 96 ZN ZN B 301 1555 1555 2.08 LINK ND1 HIS B 119 ZN ZN B 301 1555 1555 2.15 LINK ZN ZN B 301 S2 AFO9 B 302 1555 1555 2.63 LINK ZN ZN B 301 O AFO9 B 302 1555 1555 2.41 LINK ZN ZN B 301 N6 AFO9 B 302 1555 1555 1.99 LINK ZN ZN B 301 N6 BFO9 B 302 1555 1555 1.71 CISPEP 1 SER A 29 PRO A 30 0 3.99 CISPEP 2 PRO A 201 PRO A 202 0 5.04 CISPEP 3 SER B 29 PRO B 30 0 -1.56 CISPEP 4 PRO B 201 PRO B 202 0 15.15 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 FO9 A 302 SITE 1 AC2 12 GLN A 92 HIS A 94 HIS A 96 HIS A 119 SITE 2 AC2 12 ALA A 132 LEU A 198 THR A 199 HIS A 200 SITE 3 AC2 12 ZN A 301 ALA B 132 FO9 B 302 GOL B 304 SITE 1 AC3 4 HIS B 94 HIS B 96 HIS B 119 FO9 B 302 SITE 1 AC4 23 SER A 130 ALA A 132 GLU A 133 FO9 A 302 SITE 2 AC4 23 HIS B 67 ASN B 69 PHE B 91 GLN B 92 SITE 3 AC4 23 HIS B 94 HIS B 96 HIS B 119 ALA B 121 SITE 4 AC4 23 LEU B 131 VAL B 143 LEU B 198 THR B 199 SITE 5 AC4 23 HIS B 200 PRO B 202 TRP B 209 ZN B 301 SITE 6 AC4 23 HOH B 453 HOH B 456 HOH B 474 SITE 1 AC5 9 VAL A 109 ASP A 110 VAL A 112 HOH A 426 SITE 2 AC5 9 THR B 42 SER B 43 LEU B 44 LYS B 45 SITE 3 AC5 9 PRO B 46 SITE 1 AC6 3 GLN A 92 FO9 A 302 HOH A 466 SITE 1 AC7 6 ASN A 178 PRO B 46 ILE B 47 LEU B 189 SITE 2 AC7 6 ASP B 190 HOH B 439 CRYST1 62.507 71.369 121.442 90.00 90.00 90.00 P 21 21 21 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 0.015998 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014012 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008234 0.00000