Target Binding Site Detail
Target General Information | Top | ||||
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Target ID | T20401 | Target Info | |||
Target Name | Carbonic anhydrase II (CA-II) | ||||
Synonyms | Carbonic anhydrase C; Carbonic anhydrase 2; Carbonate dehydratase II; CAC | ||||
Target Type | Successful Target | ||||
Gene Name | CA2 | ||||
Biochemical Class | Alpha-carbonic anhydrase | ||||
UniProt ID |
Ligand General Information | Top | ||||
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Ligand Name | Methazolamide | Ligand Info | |||
Canonical SMILES | CC(=O)N=C1N(N=C(S1)S(=O)(=O)N)C | ||||
InChI | 1S/C5H8N4O3S2/c1-3(10)7-4-9(2)8-5(13-4)14(6,11)12/h1-2H3,(H2,6,11,12) | ||||
InChIKey | FLOSMHQXBMRNHR-UHFFFAOYSA-N | ||||
PubChem Compound ID | 4100 |
Drug Binding Sites of Target | Top | |||||
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PDB ID: 5C8I Joint X-ray/neutron structure of Human Carbonic Anhydrase II in complex with Methazolamide | ||||||
Method | X-ray diffraction | Resolution | 1.56 Å | Mutation | No | [1] |
PDB Sequence |
HWGYGKHNGP
13 EHWHKDFPIA23 KGERQSPVDI33 DTHTAKYDPS43 LKPLSVSYDQ53 ATSLRILNNG 63 HAFNVEFDDS73 QDKAVLKGGP83 LDGTYRLIQF93 HFHWGSLDGQ103 GSEHTVDKKK 113 YAAELHLVHW123 NTKYGDFGKA134 VQQPDGLAVL144 GIFLKVGSAK154 PGLQKVVDVL 164 DSIKTKGKSA174 DFTNFDPRGL184 LPESLDYWTY194 PGSLTTPPLL204 ECVTWIVLKE 214 PISVSSEQVL224 KFRKLNFNGE234 GEPEELMVDN244 WRPAQPLKNR254 QIKASFK |
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PDB ID: 3DAZ Use of Carbonic Anhydrase II, IX Active-Site Mimic, for the Purpose of Screening Inhibitors for Possible Anti-Cancer Properties | ||||||
Method | X-ray diffraction | Resolution | 1.60 Å | Mutation | No | [2] |
PDB Sequence |
HWGYGKHNGP
13 EHWHKDFPIA23 KGERQSPVDI33 DTHTAKYDPS43 LKPLSVSYDQ53 ATSLRILNNG 63 HAFNVEFDDS73 QDKAVLKGGP83 LDGTYRLIQF93 HFHWGSLDGQ103 GSEHTVDKKK 113 YAAELHLVHW123 NTKYGDFGKA134 VQQPDGLAVL144 GIFLKVGSAK154 PGLQKVVDVL 164 DSIKTKGKSA174 DFTNFDPRGL184 LPESLDYWTY194 PGSLTTPPLL204 ECVTWIVLKE 214 PISVSSEQVL224 KFRKLNFNGE234 GEPEELMVDN244 WRPAQPLKNR254 QIKASFK |
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PDB ID: 3DCS Use of Carbonic Anhydrase II, IX Active-Site Mimic, for the Purpose of Screening Inhibitors for Possible Anti-Cancer Properties | ||||||
Method | X-ray diffraction | Resolution | 1.80 Å | Mutation | Yes | [2] |
PDB Sequence |
HWGYGKHNGP
13 EHWHKDFPIA23 KGERQSPVDI33 DTHTAKYDPS43 LKPLSVSYDQ53 ATSLRILNNG 63 HSFQVEFDDS73 QDKAVLKGGP83 LDGTYRLIQF93 HFHWGSLDGQ103 GSEHTVDKKK 113 YAAELHLVHW123 NTKYGDFGKA134 VQQPDGLAVL144 GIFLKVGSAK154 PGLQKVVDVL 164 DSIKTKGKSA174 DFTNFDPRGL184 LPESLDYWTY194 PGSLTTPPLL204 ECVTWIVLKE 214 PISVSSEQVL224 KFRKLNFNGE234 GEPEELMVDN244 WRPAQPLKNR254 QIKASFK |
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PDB ID: 4K0Z Structure of HCAIX mimic (HCAII with 5 mutations in active site) in complex with methazolamide | ||||||
Method | X-ray diffraction | Resolution | 1.80 Å | Mutation | Yes | [3] |
PDB Sequence |
HHWGYGKHNG
12 PEHWHKDFPI22 AKGERQSPVD32 IDTHTAKYDP42 SLKPLSVSYD52 QATSLRILNN 62 GHSFQVTFDD72 SQDKAVLKGG82 PLDGTYRLIQ92 FHFHWGSLDG102 QGSEHTVDKK 112 KYAAELHLVH122 WNTKYGDLGK133 AVQQPDGLAV143 LGIFLKVGSA153 KPGLQKVVDV 163 LDSIKTEGKS173 ADFTNFDPRG183 LLPESLDYWT193 YPGSLTTPPL203 LECVTWIVLK 213 EPISVSSEQV223 LKFRKLNFNG233 EGEPEELMVD243 NWRPAQPLKN253 RQIKASFK |
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Click to Show 3D Structure of This Binding Site
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References | Top | ||||
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REF 1 | Neutron structure of human carbonic anhydrase II in complex with methazolamide: mapping the solvent and hydrogen-bonding patterns of an effective clinical drug. IUCrJ. 2016 Jul 22;3(Pt 5):319-325. | ||||
REF 2 | Design of a carbonic anhydrase IX active-site mimic to screen inhibitors for possible anticancer properties. Biochemistry. 2009 Feb 17;48(6):1322-31. | ||||
REF 3 | Developing isoform specific inhibitors for hCAIX using CAIX mimic |
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