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6QF5

X-Ray structure of human Aquaporin 2 crystallized on a silicon chip

Functional Information from GO Data
ChainGOidnamespacecontents
A0015267molecular_functionchannel activity
A0016020cellular_componentmembrane
A0055085biological_processtransmembrane transport
B0015267molecular_functionchannel activity
B0016020cellular_componentmembrane
B0055085biological_processtransmembrane transport
C0015267molecular_functionchannel activity
C0016020cellular_componentmembrane
C0055085biological_processtransmembrane transport
D0015267molecular_functionchannel activity
D0016020cellular_componentmembrane
D0055085biological_processtransmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues2
Detailsbinding site for residue CD B 301
ChainResidue
AGLU155
BHIS80

site_idAC2
Number of Residues6
Detailsbinding site for residue CD C 301
ChainResidue
AGLN57
AHOH301
AHOH302
CGLU155
CTHR159
CHOH401

site_idAC3
Number of Residues1
Detailsbinding site for residue CD D 301
ChainResidue
DHIS105

Functional Information from PROSITE/UniProt
site_idPS00221
Number of Residues9
DetailsMIP MIP family signature. HINPAVTVA
ChainResidueDetails
AHIS66-ALA74

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues472
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4NEF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues125
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues84
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues84
DetailsIntramembrane: {"description":"Discontinuously helical","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4NEF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsMotif: {"description":"NPA 1","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsMotif: {"description":"NPA 2","evidences":[{"source":"PubMed","id":"24733887","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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