Homo sapiens Protein: AQP4
Summary
InnateDB Protein IDBP-1842.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol AQP4
Protein Name aquaporin 4
Synonyms HMIWC2; MIWC;
Species Homo sapiens
Ensembl Protein ENSP00000372654
InnateDB Gene IDBG-1836 (AQP4)
Protein Structure
UniProt Annotation
Function Forms a water-specific channel. Osmoreceptor which regulates body water balance and mediates water flow within the central nervous system.
Subcellular Localization Membrane; Multi-pass membrane protein.
Disease Associations
Tissue Specificity Brain - muscle >> heart, kidney, lung, and trachea.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 2 experimentally validated interaction(s) in this database.
Experimentally validated
Total 2 [view]
Protein-Protein 2 [view]
Protein-DNA 0
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0005215 transporter activity
GO:0005372 water transmembrane transporter activity
GO:0015250 water channel activity
GO:0015288 porin activity
Biological Process
GO:0006810 transport
GO:0006833 water transport
GO:0007399 nervous system development
GO:0007565 female pregnancy
GO:0007588 excretion
GO:0007605 sensory perception of sound
GO:0009314 response to radiation
GO:0015670 carbon dioxide transport
GO:0030104 water homeostasis
GO:0042538 hyperosmotic salinity response
GO:0050891 multicellular organismal water homeostasis
GO:0051260 protein homooligomerization
GO:0051384 response to glucocorticoid
GO:0055085 transmembrane transport
GO:0070295 renal water absorption
GO:0071346 cellular response to interferon-gamma
GO:0071392 cellular response to estradiol stimulus
Cellular Component
GO:0005737 cytoplasm
GO:0005886 plasma membrane
GO:0005887 integral component of plasma membrane
GO:0005911 cell-cell junction
GO:0009897 external side of plasma membrane
GO:0016020 membrane
GO:0016323 basolateral plasma membrane
GO:0030315 T-tubule
GO:0042383 sarcolemma
GO:0043234 protein complex
Protein Structure and Domains
PDB ID
InterPro IPR000425 Major intrinsic protein
IPR023271 Aquaporin-like
PFAM PF00230
PRINTS PR00783
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt P55087
PhosphoSite PhosphoSite-P55087
TrEMBL F1DSG4
UniProt Splice Variant
Entrez Gene 361
UniGene Hs.593410
RefSeq NP_001641
HUGO HGNC:637
OMIM 600308
CCDS CCDS11889
HPRD 02631
IMGT
EMBL AC018371 AK295069 BC022286 CH471088 D63412 HQ901095 U34845 U34846 U63622 U63623
GenPept AAB26957 AAB26958 AAC50284 AAC52112 AAH22286 ADZ13511 BAA09715 BAG58116 EAX01228 EAX01229