has primary input water transmembrane transporter activity water channel activity https://github.com/geneontology/go-ontology/issues/26941 https://github.com/geneontology/go-ontology/issues/27521 molecular_function Reactome:R-HSA-507870 Reactome:R-HSA-432065 Reactome:R-HSA-432054 Reactome:R-HSA-432010 aquaporin Enables the energy-independent facilitated diffusion of water through a transmembrane aqueous pore or channel. Reactome:R-HSA-432067 Reactome:R-HSA-445714 MetaCyc:TRANS-RXN-145 Reactome:R-HSA-507868 GO:0015250 channel activity