Definition: Aquaporin 1 forms a water-specific channel that is constitutively expressed at the PLASMA MEMBRANE of ERYTHROCYTES and KIDNEY TUBULES, PROXIMAL. It provides these cells with a high permeability to WATER. In humans polymorphisms of this protein result in the Colton blood group antigen.
Other names Channel Forming Integral Membrane Protein Of 28 kD; Aquaporin CHIP; AQP CHIP Protein; Channel-Forming Integral Membrane Protein Of 28 kD; CHIP28 Protein; Aquaporin-CHIP; Aquaporin 1 Protein; AQP1 Protein; AQP-CHIP Protein