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: Membrane protein, multi-pass; Transporter, aquaporin family; Membrane protein, integral; Transporter
Cellular Component: neuron projection; nuclear membrane; cell; brush border membrane; basolateral plasma membrane; integral to plasma membrane; integral to membrane; membrane; axon; apical part of cell; apical plasma membrane; cytoplasm; basal plasma membrane; 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; potassium ion transmembrane transporter activity; glycerol transmembrane transporter activity; water channel activity; nitric oxide transporter activity; transmembrane 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; pancreatic juice secretion; sensory perception of pain; positive regulation of saliva secretion; odontogenesis; water homeostasis; positive regulation of fibroblast proliferation; nitric oxide transport; hyperosmotic salinity response; multicellular organismal water homeostasis; cellular homeostasis; lipid digestion; potassium ion transport; lateral ventricle development; secretion by cell; response to drug; cellular water homeostasis; secretory granule organization and biogenesis; glomerular filtration; ammonium transport; hyperosmotic response; renal water transport; positive regulation of angiogenesis; camera-type eye morphogenesis; response to estrogen stimulus; adrenocorticotropin hormone secretion; establishment and/or maintenance of actin cytoskeleton polarity; cell volume homeostasis; positive regulation of cell migration; negative regulation of apoptosis
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