HEADER LYASE 25-FEB-10 3LXE TITLE HUMAN CARBONIC ANHYDRASE I IN COMPLEX WITH TOPIRAMATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CARBONIC ANHYDRASE I, CA-I, CARBONATE DEHYDRATASE I, COMPND 5 CARBONIC ANHYDRASE B, CAB; 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 TISSUE: RED BLOOD CELL KEYWDS CARBONIC ANHYDRASE 1, TOPIRAMATE, ENZYME-INHIBITOR COMPLEX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR V.ALTERIO,G.DE SIMONE,S.M.MONTI,E.TRUPPO REVDAT 2 01-NOV-23 3LXE 1 REMARK LINK REVDAT 1 21-JUL-10 3LXE 0 JRNL AUTH V.ALTERIO,S.M.MONTI,E.TRUPPO,C.PEDONE,C.T.SUPURAN, JRNL AUTH 2 G.DE SIMONE JRNL TITL THE FIRST EXAMPLE OF A SIGNIFICANT ACTIVE SITE JRNL TITL 2 CONFORMATIONAL REARRANGEMENT IN A CARBONIC JRNL TITL 3 ANHYDRASE-INHIBITOR ADDUCT: THE CARBONIC ANHYDRASE JRNL TITL 4 I-TOPIRAMATE COMPLEX. JRNL REF ORG.BIOMOL.CHEM. 2010 JRNL REFN ESSN 1477-0539 JRNL PMID 20505865 JRNL DOI 10.1039/B926832D REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 90.2 REMARK 3 NUMBER OF REFLECTIONS : 39341 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) : 0.199 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1956 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 : 4016 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 46 REMARK 3 SOLVENT ATOMS : 470 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.00 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) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 3LXE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-MAR-10. REMARK 100 THE DEPOSITION ID IS D_1000057849. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-OCT-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 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 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41817 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.33400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 2CAB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% W/V PEG 4000, 0.2M SODIUM ACETATE, REMARK 280 0.1M TRIS-HCL, PH 8.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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 31.66000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 60.33000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.53500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 60.33000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.66000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.53500 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 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 ALA A 1 REMARK 465 SER A 2 REMARK 465 PRO A 3 REMARK 465 ASP A 4 REMARK 465 ALA B 1 REMARK 465 SER B 2 REMARK 465 PRO B 3 REMARK 465 ASP B 4 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 -160.02 -162.69 REMARK 500 ASN A 75 43.83 -95.44 REMARK 500 PHE A 91 -11.04 -140.52 REMARK 500 ASN A 124 97.57 -69.71 REMARK 500 ASN A 244 33.65 -152.60 REMARK 500 SER B 65 -160.13 -168.39 REMARK 500 ASN B 75 45.78 -98.44 REMARK 500 PHE B 91 -13.19 -140.46 REMARK 500 ASN B 124 93.74 -68.33 REMARK 500 ASN B 244 35.03 -160.10 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 261 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 107.3 REMARK 620 3 HIS A 119 ND1 110.5 98.2 REMARK 620 4 TOR A 262 NAP 115.4 108.9 115.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 261 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 94 NE2 REMARK 620 2 HIS B 96 NE2 105.4 REMARK 620 3 HIS B 119 ND1 115.0 97.4 REMARK 620 4 TOR B 262 NAP 111.0 111.9 115.0 REMARK 620 5 TOR B 262 SAO 96.0 139.7 104.0 27.8 REMARK 620 N 1 2 3 4 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 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TOR A 262 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TOR B 262 DBREF 3LXE A 1 260 UNP P00915 CAH1_HUMAN 2 261 DBREF 3LXE B 1 260 UNP P00915 CAH1_HUMAN 2 261 SEQRES 1 A 260 ALA SER PRO ASP TRP GLY TYR ASP ASP LYS ASN GLY PRO SEQRES 2 A 260 GLU GLN TRP SER LYS LEU TYR PRO ILE ALA ASN GLY ASN SEQRES 3 A 260 ASN GLN SER PRO VAL ASP ILE LYS THR SER GLU THR LYS SEQRES 4 A 260 HIS ASP THR SER LEU LYS PRO ILE SER VAL SER TYR ASN SEQRES 5 A 260 PRO ALA THR ALA LYS GLU ILE ILE ASN VAL GLY HIS SER SEQRES 6 A 260 PHE HIS VAL ASN PHE GLU ASP ASN ASP ASN ARG SER VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO PHE SER ASP SER TYR ARG LEU PHE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER THR ASN GLU HIS GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP GLY VAL LYS TYR SER ALA GLU SEQRES 10 A 260 LEU HIS VAL ALA HIS TRP ASN SER ALA LYS TYR SER SER SEQRES 11 A 260 LEU ALA GLU ALA ALA SER LYS ALA ASP GLY LEU ALA VAL SEQRES 12 A 260 ILE GLY VAL LEU MET LYS VAL GLY GLU ALA ASN PRO LYS SEQRES 13 A 260 LEU GLN LYS VAL LEU ASP ALA LEU GLN ALA ILE LYS THR SEQRES 14 A 260 LYS GLY LYS ARG ALA PRO PHE THR ASN PHE ASP PRO SER SEQRES 15 A 260 THR LEU LEU PRO SER SER LEU ASP PHE TRP THR TYR PRO SEQRES 16 A 260 GLY SER LEU THR HIS PRO PRO LEU TYR GLU SER VAL THR SEQRES 17 A 260 TRP ILE ILE CYS LYS GLU SER ILE SER VAL SER SER GLU SEQRES 18 A 260 GLN LEU ALA GLN PHE ARG SER LEU LEU SER ASN VAL GLU SEQRES 19 A 260 GLY ASP ASN ALA VAL PRO MET GLN HIS ASN ASN ARG PRO SEQRES 20 A 260 THR GLN PRO LEU LYS GLY ARG THR VAL ARG ALA SER PHE SEQRES 1 B 260 ALA SER PRO ASP TRP GLY TYR ASP ASP LYS ASN GLY PRO SEQRES 2 B 260 GLU GLN TRP SER LYS LEU TYR PRO ILE ALA ASN GLY ASN SEQRES 3 B 260 ASN GLN SER PRO VAL ASP ILE LYS THR SER GLU THR LYS SEQRES 4 B 260 HIS ASP THR SER LEU LYS PRO ILE SER VAL SER TYR ASN SEQRES 5 B 260 PRO ALA THR ALA LYS GLU ILE ILE ASN VAL GLY HIS SER SEQRES 6 B 260 PHE HIS VAL ASN PHE GLU ASP ASN ASP ASN ARG SER VAL SEQRES 7 B 260 LEU LYS GLY GLY PRO PHE SER ASP SER TYR ARG LEU PHE SEQRES 8 B 260 GLN PHE HIS PHE HIS TRP GLY SER THR ASN GLU HIS GLY SEQRES 9 B 260 SER GLU HIS THR VAL ASP GLY VAL LYS TYR SER ALA GLU SEQRES 10 B 260 LEU HIS VAL ALA HIS TRP ASN SER ALA LYS TYR SER SER SEQRES 11 B 260 LEU ALA GLU ALA ALA SER LYS ALA ASP GLY LEU ALA VAL SEQRES 12 B 260 ILE GLY VAL LEU MET LYS VAL GLY GLU ALA ASN PRO LYS SEQRES 13 B 260 LEU GLN LYS VAL LEU ASP ALA LEU GLN ALA ILE LYS THR SEQRES 14 B 260 LYS GLY LYS ARG ALA PRO PHE THR ASN PHE ASP PRO SER SEQRES 15 B 260 THR LEU LEU PRO SER SER LEU ASP PHE TRP THR TYR PRO SEQRES 16 B 260 GLY SER LEU THR HIS PRO PRO LEU TYR GLU SER VAL THR SEQRES 17 B 260 TRP ILE ILE CYS LYS GLU SER ILE SER VAL SER SER GLU SEQRES 18 B 260 GLN LEU ALA GLN PHE ARG SER LEU LEU SER ASN VAL GLU SEQRES 19 B 260 GLY ASP ASN ALA VAL PRO MET GLN HIS ASN ASN ARG PRO SEQRES 20 B 260 THR GLN PRO LEU LYS GLY ARG THR VAL ARG ALA SER PHE HET ZN A 261 1 HET TOR A 262 22 HET ZN B 261 1 HET TOR B 262 22 HETNAM ZN ZINC ION HETNAM TOR [(3AS,5AR,8AR,8BS)-2,2,7,7-TETRAMETHYLTETRAHYDRO-3AH- HETNAM 2 TOR BIS[1,3]DIOXOLO[4,5-B:4',5'-D]PYRAN-3A-YL]METHYL HETNAM 3 TOR SULFAMATE HETSYN TOR TOPIRAMATE FORMUL 3 ZN 2(ZN 2+) FORMUL 4 TOR 2(C12 H21 N O8 S) FORMUL 7 HOH *470(H2 O) HELIX 1 1 GLY A 12 LEU A 19 5 8 HELIX 2 2 TYR A 20 GLY A 25 5 6 HELIX 3 3 LYS A 34 THR A 38 5 5 HELIX 4 4 ASN A 52 ALA A 54 5 3 HELIX 5 5 SER A 130 ALA A 135 1 6 HELIX 6 6 ASN A 154 LYS A 156 5 3 HELIX 7 7 LEU A 157 LEU A 164 1 8 HELIX 8 8 GLN A 165 ILE A 167 5 3 HELIX 9 9 ASP A 180 LEU A 185 5 6 HELIX 10 10 SER A 219 SER A 228 1 10 HELIX 11 11 GLY B 12 GLU B 14 5 3 HELIX 12 12 GLN B 15 TYR B 20 1 6 HELIX 13 13 PRO B 21 GLY B 25 5 5 HELIX 14 14 ASN B 52 ALA B 54 5 3 HELIX 15 15 SER B 130 ALA B 135 1 6 HELIX 16 16 ASN B 154 LYS B 156 5 3 HELIX 17 17 LEU B 157 LEU B 164 1 8 HELIX 18 18 GLN B 165 ILE B 167 5 3 HELIX 19 19 ASP B 180 LEU B 185 5 6 HELIX 20 20 SER B 219 SER B 228 1 10 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 B10 LYS A 39 HIS A 40 0 SHEET 2 B10 ARG A 257 ALA A 258 1 O ALA A 258 N LYS A 39 SHEET 3 B10 PHE A 191 GLY A 196 -1 N THR A 193 O ARG A 257 SHEET 4 B10 VAL A 207 CYS A 212 -1 O VAL A 207 N GLY A 196 SHEET 5 B10 LEU A 141 VAL A 150 1 N GLY A 145 O ILE A 210 SHEET 6 B10 ALA A 116 ASN A 124 -1 N HIS A 122 O ALA A 142 SHEET 7 B10 TYR A 88 TRP A 97 -1 N ARG A 89 O TRP A 123 SHEET 8 B10 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 B10 ALA A 56 ASN A 61 -1 N GLU A 58 O ASN A 69 SHEET 10 B10 ARG A 173 PRO A 175 -1 O ALA A 174 N ILE A 59 SHEET 1 C 6 ILE A 47 SER A 50 0 SHEET 2 C 6 VAL A 78 GLY A 81 -1 O LYS A 80 N SER A 48 SHEET 3 C 6 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 C 6 ALA A 116 ASN A 124 -1 O TRP A 123 N ARG A 89 SHEET 5 C 6 LEU A 141 VAL A 150 -1 O ALA A 142 N HIS A 122 SHEET 6 C 6 ILE A 216 VAL A 218 1 O ILE A 216 N LYS A 149 SHEET 1 D 2 ASP B 32 ILE B 33 0 SHEET 2 D 2 THR B 108 VAL B 109 1 O THR B 108 N ILE B 33 SHEET 1 E10 LYS B 39 HIS B 40 0 SHEET 2 E10 ARG B 257 ALA B 258 1 O ALA B 258 N LYS B 39 SHEET 3 E10 PHE B 191 GLY B 196 -1 N THR B 193 O ARG B 257 SHEET 4 E10 VAL B 207 CYS B 212 -1 O VAL B 207 N GLY B 196 SHEET 5 E10 LEU B 141 VAL B 150 1 N GLY B 145 O ILE B 210 SHEET 6 E10 ALA B 116 ASN B 124 -1 N ALA B 116 O MET B 148 SHEET 7 E10 TYR B 88 TRP B 97 -1 N ARG B 89 O TRP B 123 SHEET 8 E10 PHE B 66 PHE B 70 -1 N VAL B 68 O PHE B 93 SHEET 9 E10 ALA B 56 ASN B 61 -1 N GLU B 58 O ASN B 69 SHEET 10 E10 ARG B 173 PRO B 175 -1 O ALA B 174 N ILE B 59 SHEET 1 F 6 ILE B 47 SER B 50 0 SHEET 2 F 6 VAL B 78 GLY B 81 -1 O LYS B 80 N SER B 48 SHEET 3 F 6 TYR B 88 TRP B 97 -1 O TYR B 88 N LEU B 79 SHEET 4 F 6 ALA B 116 ASN B 124 -1 O TRP B 123 N ARG B 89 SHEET 5 F 6 LEU B 141 VAL B 150 -1 O MET B 148 N ALA B 116 SHEET 6 F 6 ILE B 216 VAL B 218 1 O ILE B 216 N LYS B 149 LINK NE2 HIS A 94 ZN ZN A 261 1555 1555 2.09 LINK NE2 HIS A 96 ZN ZN A 261 1555 1555 2.02 LINK ND1 HIS A 119 ZN ZN A 261 1555 1555 2.10 LINK ZN ZN A 261 NAP TOR A 262 1555 1555 2.00 LINK NE2 HIS B 94 ZN ZN B 261 1555 1555 2.06 LINK NE2 HIS B 96 ZN ZN B 261 1555 1555 1.98 LINK ND1 HIS B 119 ZN ZN B 261 1555 1555 2.13 LINK ZN ZN B 261 NAP TOR B 262 1555 1555 1.89 LINK ZN ZN B 261 SAO TOR B 262 1555 1555 3.00 CISPEP 1 SER A 29 PRO A 30 0 0.16 CISPEP 2 PRO A 201 PRO A 202 0 0.97 CISPEP 3 SER B 29 PRO B 30 0 -0.42 CISPEP 4 PRO B 201 PRO B 202 0 0.13 SITE 1 AC1 4 HIS A 94 HIS A 96 HIS A 119 TOR A 262 SITE 1 AC2 4 HIS B 94 HIS B 96 HIS B 119 TOR B 262 SITE 1 AC3 11 HIS A 64 SER A 65 GLN A 92 HIS A 94 SITE 2 AC3 11 HIS A 96 HIS A 119 LEU A 198 THR A 199 SITE 3 AC3 11 HIS A 200 ZN A 261 HOH A 442 SITE 1 AC4 11 HIS B 64 SER B 65 GLN B 92 HIS B 94 SITE 2 AC4 11 HIS B 96 HIS B 119 LEU B 198 THR B 199 SITE 3 AC4 11 HIS B 200 ZN B 261 HOH B 469 CRYST1 63.320 71.070 120.660 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 0.015793 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014071 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008288 0.00000