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; Transporter, aquaporin family; Membrane protein, multi-pass; Membrane protein, integral
Cellular Component: neuron projection; nuclear membrane; integral to plasma membrane; brush border membrane; basolateral plasma membrane; cell; integral to membrane; membrane; axon; apical part of cell; cytoplasm; apical plasma membrane; plasma membrane; basal plasma membrane; nerve terminal; nucleus; sarcolemma; brush border
Molecular Function: protein binding; potassium channel activity; ephrin receptor binding; water transporter activity; intracellular cGMP activated cation channel activity; ammonium transmembrane transporter activity; glycerol transmembrane transporter activity; potassium ion transmembrane transporter activity; transmembrane transporter activity; nitric oxide transporter activity; water channel activity; glycerol channel activity
Biological Process: glycerol transport; cGMP biosynthetic process; cerebrospinal fluid secretion; wound healing; carbon dioxide transport; water transport; response to hormone stimulus; negative regulation of caspase activity; sensory perception of pain; pancreatic juice secretion; positive regulation of saliva secretion; water homeostasis; odontogenesis; positive regulation of fibroblast proliferation; nitric oxide transport; hyperosmotic salinity response; multicellular organismal water homeostasis; cellular 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; renal water transport; hyperosmotic response; positive regulation of angiogenesis; camera-type eye morphogenesis; adrenocorticotropin hormone secretion; response to estrogen stimulus; establishment and/or maintenance of actin cytoskeleton polarity; cell volume homeostasis; positive regulation of cell migration; negative regulation of apoptosis
Show more