NameAquaporin-1
Synonyms
  • AQP-1
  • Aquaporin-CHIP
  • CHIP28
  • Urine water channel
  • Water channel protein for red blood cells and kidney proximal tubule
Gene NameAQP1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0001754|Aquaporin-1
MASEFKKKLFWRAVVAEFLATTLFVFISIGSALGFKYPVGNNQTAVQDNVKVSLAFGLSI
ATLAQSVGHISGAHLNPAVTLGLLLSCQISIFRALMYIIAQCVGAIVATAILSGITSSLT
GNSLGRNDLADGVNSGQGLGIEIIGTLQLVLCVLATTDRRRRDLGGSAPLAIGLSVALGH
LLAIDYTGCGINPARSFGSAVITHNFSNHWIFWVGPFIGGALAVLIYDFILAPRSSDLTD
RVKVWTSGQVEEYDLDADDINSRVEMKPK
Number of residues269
Molecular Weight28525.68
Theoretical pI7.5
GO Classification
Functions
  • intracellular cGMP activated cation channel activity
  • nitric oxide transmembrane transporter activity
  • potassium ion transmembrane transporter activity
  • potassium channel activity
  • glycerol transmembrane transporter activity
  • water transmembrane transporter activity
  • transmembrane transporter activity
  • ammonium transmembrane transporter activity
  • glycerol channel activity
  • water channel activity
  • carbon dioxide transmembrane transporter activity
Processes
  • cellular water homeostasis
  • cellular response to cAMP
  • glycerol transport
  • cation transmembrane transport
  • lateral ventricle development
  • potassium ion transport
  • pancreatic juice secretion
  • carbon dioxide transmembrane transport
  • potassium ion transmembrane transport
  • cellular response to copper ion
  • response to drug
  • cellular response to nitric oxide
  • cellular hyperosmotic response
  • cerebrospinal fluid secretion
  • cGMP biosynthetic process
  • cellular response to inorganic substance
  • cell volume homeostasis
  • cellular response to UV
  • nitric oxide transport
  • cellular response to stress
  • multicellular organismal water homeostasis
  • carbon dioxide transport
  • small molecule metabolic process
  • ammonium transmembrane transport
  • establishment or maintenance of actin cytoskeleton polarity
  • odontogenesis
  • maintenance of symbiont-containing vacuole by host
  • transepithelial water transport
  • cellular response to hypoxia
  • positive regulation of angiogenesis
  • cellular response to mercury ion
  • transmembrane transport
  • cellular homeostasis
  • positive regulation of saliva secretion
  • bicarbonate transport
  • renal water transport
  • cellular response to mechanical stimulus
  • positive regulation of fibroblast proliferation
  • cellular response to dexamethasone stimulus
  • cellular response to retinoic acid
  • cellular response to salt stress
  • cellular response to hydrogen peroxide
  • ammonium transport
  • negative regulation of apoptotic process
  • renal water homeostasis
  • negative regulation of cysteine-type endopeptidase activity involved in apoptotic process
  • water transport
Components
  • apical plasma membrane
  • cytoplasm
  • brush border membrane
  • nucleus
  • basal plasma membrane
  • plasma membrane
  • sarcolemma
  • extracellular exosome
  • nuclear membrane
  • brush border
  • integral component of plasma membrane
  • apical part of cell
  • symbiont-containing vacuole
  • basolateral plasma membrane
General FunctionWater transmembrane transporter activity
Specific FunctionForms a water-specific channel that provides the plasma membranes of red cells and kidney proximal tubules with high permeability to water, thereby permitting water to move in the direction of an osmotic gradient.
Pfam Domain Function
Transmembrane Regions8-36 49-66 95-115 137-155 167-183 208-228
GenBank Protein ID180501
UniProtKB IDP29972
UniProtKB Entry NameAQP1_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0021277|Aquaporin-1 (AQP1)
ATGCCTGGGGCTCGCCCCTTGCCTCTGGTCTTGGTACCCCAGAATACCCTGGCCTGGATG
CAGCTGGATGCAAAGGCCCCAGCTCACCCCAGGCCTCTCCAGCTTCTAGGCAGAGTGGGG
CCTGGGTCTAGGCAGCTGGCTGATGGTGTGAACTCGGGCCAGGGCCTGGGCATCGAGATC
ATCGGGACCCTCCAGCTGGTGCTATGCGTGCTGGCTACTACCGACCGGAGGCGCCGTGAC
CTTGGTGGCTCAGCCCCCCTTGCCATCGGCCTCTCTGTAGCCCTTGGACACCTCCTGGCT
ATTGACTACACTGGCTGTGGGATTAACCCTGCTCGGTCCTTTGGCTCCGCGGTGATCACA
CACAACTTCAGCAACCACTGGATTTTCTGGGTGGGGCCATTCATCGGGGGAGCCCTGGCT
GTACTCATCTACGACTTCATCCTGGCCCCACGCAGCAGTGACCTCACAGACCGCGTGAAG
GTGTGGACCAGCGGCCAGGTGGAGGAGTATGACCTGGATGCCGACGACATCAACTCCAGG
GTGGAGATGAAGCCCAAATAG
GenBank Gene IDM77829
GeneCard IDNot Available
GenAtlas IDAQP1
HGNC IDHGNC:633
Chromosome Location7
Locus7p14
References
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