Aquaporin-5


NameAquaporin-5
SynonymsAQP-5
Gene NameAQP5
OrganismHuman
Amino acid sequence
>lcl|BSEQ0013403|Aquaporin-5
MKKEVCSVAFLKAVFAEFLATLIFVFFGLGSALKWPSALPTILQIALAFGLAIGTLAQAL
GPVSGGHINPAITLALLVGNQISLLRAFFYVAAQLVGAIAGAGILYGVAPLNARGNLAVN
ALNNNTTQGQAMVVELILTFQLALCIFASTDSRRTSPVGSPALSIGLSVTLGHLVGIYFT
GCSMNPARSFGPAVVMNRFSPAHWVFWVGPIVGAVLAAILYFYLLFPNSLSLSERVAIIK
GTYEPDEDWEEQREERKKTMELTTR
Number of residues265
Molecular Weight28291.89
Theoretical pINone
GO Classification
Functions
    glycerol channel activity
    water channel activity
Processes
    carbon dioxide transport
    excretion
    water transport
    pancreatic juice secretion
    odontogenesis
    transmembrane transport
    ion transmembrane transport
    cellular water homeostasis
    saliva secretion
    glycerol transport
    camera-type eye morphogenesis
Components
    basal plasma membrane
    endoplasmic reticulum
    plasma membrane
    microvillus
    extracellular exosome
    integral component of plasma membrane
    apical plasma membrane
General FunctionWater channel activity
Specific FunctionForms a water-specific channel. Implicated in the generation of saliva, tears, and pulmonary secretions. Required for TRPV4 activation by hypotonicity (PubMed:16571723). Together with TRPV4, controls regulatory volume decrease in salivary epithelial cells (PubMed:16571723).
Transmembrane Regions13-33 37-57 88-108 127-147 162-182 206-226
GenBank Protein ID
UniProtKB IDP55064
UniProtKB Entry NameAQP5_HUMAN
Cellular LocationApical cell membrane
Gene sequence
>lcl|BSEQ0013404|Aquaporin-5 (AQP5)
ATGAAGAAGGAGGTGTGCTCCGTGGCCTTCCTCAAGGCCGTGTTCGCAGAGTTCTTGGCC
ACCCTCATCTTCGTCTTCTTTGGCCTGGGCTCGGCCCTCAAGTGGCCGTCGGCGCTGCCT
ACCATCCTGCAGATCGCGCTGGCGTTTGGCCTGGCCATAGGCACGCTGGCCCAGGCCCTG
GGACCCGTGAGCGGCGGCCACATCAACCCCGCCATCACCCTGGCCCTCTTGGTGGGCAAC
CAGATCTCGCTGCTCCGGGCTTTCTTCTACGTGGCGGCCCAGCTGGTGGGCGCCATTGCC
GGGGCTGGCATCCTCTACGGTGTGGCACCGCTCAATGCCCGGGGCAATCTGGCCGTCAAC
GCGCTCAACAACAACACAACGCAGGGCCAGGCCATGGTGGTGGAGCTGATTCTGACCTTC
CAGCTGGCACTCTGCATCTTCGCCTCCACTGACTCCCGCCGCACCAGCCCTGTGGGCTCC
CCAGCCCTGTCCATTGGCCTGTCTGTCACCCTGGGCCACCTTGTCGGAATCTACTTCACT
GGCTGCTCCATGAACCCAGCCCGCTCTTTTGGCCCTGCGGTGGTCATGAATCGGTTCAGC
CCCGCTCACTGGGTTTTCTGGGTAGGGCCCATCGTGGGGGCGGTCCTGGCTGCCATCCTT
TACTTCTACCTGCTCTTCCCCAACTCCCTGAGCCTGAGTGAGCGTGTGGCCATCATCAAA
GGCACGTATGAGCCTGACGAGGACTGGGAGGAGCAGCGGGAAGAGCGGAAGAAGACCATG
GAGCTGACCACCCGCTGA
GenBank Gene ID
GeneCard IDNone
GenAtlas ID
HGNC IDHGNC:638
Chromosome Location12
LocusNone
References
  1. Lee MD, Bhakta KY, Raina S, Yonescu R, Griffin CA, Copeland NG, Gilbert DJ, Jenkins NA, Preston GM, Agre P: The human Aquaporin-5 gene. Molecular characterization and chromosomal localization. J Biol Chem. 1996 Apr 12;271(15):8599-604.[8621489 ]
  2. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7.[15489334 ]
  3. Liu X, Bandyopadhyay BC, Nakamoto T, Singh B, Liedtke W, Melvin JE, Ambudkar I: A role for AQP5 in activation of TRPV4 by hypotonicity: concerted involvement of AQP5 and TRPV4 in regulation of cell volume recovery. J Biol Chem. 2006 Jun 2;281(22):15485-95. Epub 2006 Mar 29.[16571723 ]
  4. Blaydon DC, Lind LK, Plagnol V, Linton KJ, Smith FJ, Wilson NJ, McLean WH, Munro CS, South AP, Leigh IM, O'Toole EA, Lundstrom A, Kelsell DP: Mutations in AQP5, encoding a water-channel protein, cause autosomal-dominant diffuse nonepidermolytic palmoplantar keratoderma. Am J Hum Genet. 2013 Aug 8;93(2):330-5. doi: 10.1016/j.ajhg.2013.06.008. Epub 2013 Jul 3.[23830519 ]

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