AQP1: Forms 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. Belongs to the MIP/aquaporin (TC 1.A.8) family.
Protein type: Transporter, aquaporin family; Transporter; Membrane protein, multi-pass; Membrane protein, integral
Cellular Component: neuron projection; nuclear membrane; cell; basolateral plasma membrane; brush border membrane; integral to plasma membrane; integral to membrane; membrane; axon; apical part of cell; apical plasma membrane; cytoplasm; plasma membrane; basal plasma membrane; nerve terminal; nucleus; brush border; sarcolemma
Molecular Function: protein binding; ephrin receptor binding; potassium channel activity; water transporter activity; intracellular cGMP activated cation channel activity; ammonium transmembrane transporter activity; potassium ion transmembrane transporter activity; glycerol transmembrane transporter activity; water channel activity; transmembrane transporter activity; nitric oxide transporter activity; glycerol channel activity
Biological Process: glycerol transport; cGMP biosynthetic process; cerebrospinal fluid secretion; wound healing; water transport; carbon dioxide transport; response to hormone stimulus; negative regulation of caspase activity; sensory perception of pain; pancreatic juice secretion; positive regulation of saliva secretion; odontogenesis; water homeostasis; positive regulation of fibroblast proliferation; hyperosmotic salinity response; nitric oxide transport; cellular homeostasis; multicellular organismal water homeostasis; potassium ion transport; lateral ventricle development; lipid digestion; secretion by cell; response to drug; cellular water homeostasis; secretory granule organization and biogenesis; glomerular filtration; ammonium transport; hyperosmotic response; positive regulation of angiogenesis; renal water transport; camera-type eye morphogenesis; response to estrogen stimulus; adrenocorticotropin hormone secretion; establishment and/or maintenance of actin cytoskeleton polarity; cell volume homeostasis; negative regulation of apoptosis; positive regulation of cell migration
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