Gene Information
Gene NameAQP2
OrganismHomo sapiens (Human)
Gene Length271
Protein NamesAquaporin-2 (AQP-2) (ADH water channel) (Aquaporin-CD) (AQP-CD) (Collecting duct water channel protein) (WCH-CD) (Water channel protein for renal collecting duct)
Target NameNA
Target TypeNA
Gene Age1488 ( ENSG00000167580 )
Evolutionary StageEuk+Bac
AlphaFoldDBP41181
Gene CardAQP2
Uniprot IDP41181
PfamPF00230
In ASDno
Allosteric Predictionno (-0.034240327)
Ortholog in AnimalsAlpaca_ AQP2 ( ortholog_one2one )
Dog_ AQP2 ( ortholog_one2one )
GuineaPig_ AQP2 ( ortholog_one2one )
Macaque_ AQP2 ( ortholog_one2one )
Mouse_ Aqp2 ( ortholog_one2one )
Pig_ AQP2 ( ortholog_one2one )
Rat_ Aqp2 ( ortholog_one2one )
Rabbit_ AQP2 ( ortholog_one2one )
OhnologsAQP4, MINDY4, MIP
ParalogsMIP, AQP3, AQP1, AQP5, AQP4, AQP6, AQP10, AQP8, AQP7B, AQP7, AQP9
Tissuekidney, seminal.vesicle, vas.deferens, cortex.of.kidney
Tissue SpecificityExpressed in collecting tubules in kidney medulla (at protein level) (PubMed:7510718). Detected in kidney (PubMed:7510718). {ECO:0000269|PubMed:7510718}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4NEF  (X-ray  2.75A  4OJ2  (X-ray  3.05A  6QF5  (X-ray  3.70A 
DBSNP rs104894336  rs995684800  rs28931580  rs104894326  rs104894331  rs149659001  rs1303076207  rs104894338  rs1468828294  rs11169226  rs104894333  rs104894330  rs104894334  rs755694590  rs104894335  rs147039983  rs104894337  rs761713751  rs104894328  rs193922495  rs104894341  rs772051028  rs104894329  rs104894332  rs104894339 
Subcellular location [CC]Apical cell membrane {ECO:0000269|PubMed:12194985, ECO:0000269|PubMed:15509592, ECO:0000269|PubMed:7510718};
Multi-pass membrane protein {ECO:0000269|PubMed:12194985, ECO:0000269|PubMed:24733887}. Basolateral cell membrane {ECO:0000250|UniProtKB:P34080};
Multi-pass membrane protein {ECO:0000269|PubMed:24733887}. Cell membrane {ECO:0000269|PubMed:15509592, ECO:0000269|PubMed:24733887, ECO:0000269|PubMed:7524315, ECO:0000269|PubMed:8140421};
Multi-pass membrane protein {ECO:0000269|PubMed:24733887}. Cytoplasmic vesicle membrane {ECO:0000269|PubMed:12194985, ECO:0000269|PubMed:15509592};
Multi-pass membrane protein {ECO:0000269|PubMed:12194985, ECO:0000269|PubMed:24733887}. Golgi apparatus, trans-Golgi network membrane {ECO:0000269|PubMed:12194985};
Multi-pass membrane protein {ECO:0000269|PubMed:12194985, ECO:0000269|PubMed:24733887}. Note=Shuttles from vesicles to the apical membrane (PubMed:15509592). Vasopressin-regulated phosphorylation is required for translocation to the apical cell membrane (PubMed:15509592). PLEKHA8/FAPP2 is required to transport AQP2 from the TGN to sites where AQP2 is phosphorylated (By similarity). {ECO:0000250|UniProtKB:P34080, ECO:0000269|PubMed:15509592}.
Mouse PG classificationNA
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