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; Membrane protein, integral; Transporter, aquaporin family; Membrane protein, multi-pass
Cellular Component: neuron projection; nuclear membrane; cell; brush border membrane; integral to plasma membrane; basolateral plasma membrane; integral to membrane; dense core granule membrane; membrane; axon; apical part of cell; cytoplasm; apical plasma membrane; plasma membrane; basal plasma membrane; nerve terminal; nucleus; sarcolemma; brush border
Molecular Function: ephrin receptor binding; potassium channel activity; water transporter activity; intracellular cGMP activated cation channel activity; ammonium transmembrane transporter activity; transporter activity; glycerol transmembrane transporter activity; potassium ion transmembrane transporter activity; nitric oxide transporter activity; water channel activity; transmembrane transporter activity; glycerol channel activity
Biological Process: glycerol transport; cGMP biosynthetic process; wound healing; carbon dioxide transport; water transport; cellular response to stress; negative regulation of caspase activity; sensory perception of pain; positive regulation of saliva secretion; water homeostasis; positive regulation of fibroblast proliferation; organic cation transport; nitric oxide transport; transport; cellular homeostasis; transmembrane transport; lipid digestion; potassium ion transport; secretion by cell; response to drug; cellular water homeostasis; secretory granule organization and biogenesis; glomerular filtration; ammonium transport; renal water transport; positive regulation of angiogenesis; camera-type eye morphogenesis; 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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