1ZFK
carbonic anhydrase II in complex with N-4-sulfonamidphenyl-N'-4-methylbenzosulfonylurease as sulfonamide inhibitor
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004064 | molecular_function | arylesterase activity |
| A | 0004089 | molecular_function | carbonate dehydratase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0008270 | molecular_function | zinc ion binding |
| A | 0015670 | biological_process | carbon dioxide transport |
| A | 0016829 | molecular_function | lyase activity |
| A | 0018820 | molecular_function | cyanamide hydratase activity |
| A | 0038166 | biological_process | angiotensin-activated signaling pathway |
| A | 0044070 | biological_process | regulation of monoatomic anion transport |
| A | 0045177 | cellular_component | apical part of cell |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0051453 | biological_process | regulation of intracellular pH |
| A | 0070062 | cellular_component | extracellular exosome |
| A | 2001150 | biological_process | positive regulation of dipeptide transmembrane transport |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A 1300 |
| Chain | Residue |
| A | HIS1094 |
| A | HIS1096 |
| A | HIS1119 |
| A | NR21400 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 1600 |
| Chain | Residue |
| A | HOH3171 |
| A | TRP1005 |
| A | ASN1011 |
| A | HIS1015 |
| A | TRP1016 |
| A | ASP1019 |
| site_id | AC3 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE NR2 A 1400 |
| Chain | Residue |
| A | GLN1092 |
| A | HIS1094 |
| A | HIS1096 |
| A | HIS1119 |
| A | PHE1131 |
| A | LEU1198 |
| A | THR1199 |
| A | THR1200 |
| A | PRO1202 |
| A | TRP1209 |
| A | ZN1300 |
| A | GOL1900 |
| A | HOH3160 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE NR2 A 1500 |
| Chain | Residue |
| A | LEU1057 |
| A | PHE1070 |
| A | ASP1071 |
| A | ASP1072 |
| A | SER1073 |
| A | ILE1091 |
| A | HOH3030 |
| A | HOH3170 |
| A | HOH3207 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE BE7 A 1700 |
| Chain | Residue |
| A | GLN1136 |
| A | GLN1137 |
| A | PRO1138 |
| A | GLU1205 |
| A | CYS1206 |
| site_id | AC6 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE GOL A 1900 |
| Chain | Residue |
| A | ASN1062 |
| A | HIS1064 |
| A | ASN1067 |
| A | GLN1092 |
| A | HIS1094 |
| A | THR1200 |
| A | NR21400 |
| A | HOH3024 |
| A | HOH3064 |
| A | HOH3107 |
Functional Information from PROSITE/UniProt
| site_id | PS00162 |
| Number of Residues | 17 |
| Details | ALPHA_CA_1 Alpha-carbonic anhydrases signature. SEHtVdkkkYaaELHLV |
| Chain | Residue | Details |
| A | SER1105-VAL1121 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | Active site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"15667203","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11076507","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12499545","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1336460","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1433293","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1909891","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19583303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151019","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"4621826","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7761440","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7803386","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7901850","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8218160","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8262987","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8331673","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8399159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8431430","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8451242","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8482389","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8639494","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8987974","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9398308","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9865942","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"11076507","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12499545","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1336460","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1433293","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1909891","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19583303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151019","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7761440","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7803386","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7901850","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8218160","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8262987","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8331673","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8399159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8431430","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8451242","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8482389","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8639494","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8987974","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9398308","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9865942","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"10550681","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19520834","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | Site: {"description":"Fine-tunes the proton-transfer properties of H-64","evidences":[{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 2 |
| Details | Site: {"description":"Fine-tunes the proton-transfer properties of H-64; involved in the binding of some activators, including histamine and L-histidine","evidences":[{"source":"PubMed","id":"16214338","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9265618","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 1 |
| Details | Site: {"description":"Involved in the binding of some activators, including histamine and L-histidine","evidences":[{"source":"PubMed","id":"16214338","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9265618","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1ca2 |
| Chain | Residue | Details |
| A | HIS1064 | |
| A | THR1199 |
| site_id | MCSA1 |
| Number of Residues | 6 |
| Details | M-CSA 216 |
| Chain | Residue | Details |
| A | HIS1064 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor |
| A | HIS1094 | metal ligand |
| A | HIS1096 | metal ligand |
| A | GLU1106 | activator, electrostatic stabiliser, hydrogen bond acceptor |
| A | HIS1119 | metal ligand |
| A | THR1199 | activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity |






