6I3E

Human Carbonic Anhydrase II in complex with 4-Butylbenzenesulfonamide

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 301

Chain	Residue
A	HIS94
A	HIS96
A	HIS119
A	H1Z309

---

site_id	AC2
Number of Residues	2
Details	binding site for residue DMS A 302

Chain	Residue
A	ASP243
A	TRP245

---

site_id	AC3
Number of Residues	5
Details	binding site for residue DMS A 303

Chain	Residue
A	HOH543
A	HOH566
A	PRO83
A	THR208
A	HOH496

---

site_id	AC4
Number of Residues	12
Details	binding site for residue NA A 304

Chain	Residue
A	SER73
A	SER73
A	SER220
A	SER220
A	HOH486
A	HOH486
A	HOH505
A	HOH505
A	HOH547
A	HOH547
A	HOH600
A	HOH600

---

site_id	AC5
Number of Residues	6
Details	binding site for residue NA A 305

Chain	Residue
A	THR37
A	GLN255
A	HOH454
A	HOH568
A	HOH582
A	HOH592

---

site_id	AC6
Number of Residues	4
Details	binding site for residue HG A 306

Chain	Residue
A	GLN137
A	GLU205
A	CYS206
A	MBO307

---

site_id	AC7
Number of Residues	7
Details	binding site for residue MBO A 307

Chain	Residue
A	VAL135
A	GLN136
A	GLN137
A	PRO138
A	CYS206
A	HG306
A	HOH539

---

site_id	AC8
Number of Residues	4
Details	binding site for residue CIT A 308

Chain	Residue
A	LYS39
A	HOH427
A	HOH530
A	HOH634

---

site_id	AC9
Number of Residues	8
Details	binding site for residue H1Z A 309

Chain	Residue
A	HIS94
A	HIS96
A	HIS119
A	LEU198
A	THR199
A	THR200
A	TRP209
A	ZN301

---

site_id	AD1
Number of Residues	10
Details	binding site for residue H1Z A 310

Chain	Residue
A	HIS4
A	TRP5
A	HIS10
A	ASN11
A	HIS15
A	TRP16
A	ASP19
A	ASP180
A	ARG182
A	GLY183

---

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	SER105-VAL121

---

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	MCSA1
Number of Residues	6
Details	M-CSA 216

Chain	Residue	Details
A	HIS64	hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
A	HIS94	metal ligand
A	HIS96	metal ligand
A	GLU106	activator, electrostatic stabiliser, hydrogen bond acceptor
A	HIS119	metal ligand
A	THR199	activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity

---