Aquaporin-4 (UniProt: P47863; also known as AQP-4, Mercurial-insensitive water channel, MIWC) is encoded by the Aqp4 gene (Gene ID: 25293) in rat. Aquaporin-4 is a multi-pass membrane homotetrameric protein that forms a water-specific channel and serves as an osmoreceptor that regulates body water...