RhCG mediates ammonium efflux out of kidney collecting duct cells RhBG mediates ammonium influx into kidney collecting duct cells RhCG mediates ammonium influx into kidney collecting duct cells RhAG mediates ammounium export from red blood cells RhBG mediates ammonium effflux out of kidney collecting duct cells PathwayStep4930 PathwayStep4932 PathwayStep4931 PathwayStep4933 PathwayStep4929 Rhesus glycoproteins mediate ammonium transport. Authored: Jassal, B, 2009-10-23 Edited: Jassal, B, 2009-10-23 Pubmed12920597 Pubmed17106214 Reactome Database ID Release 43444411 Reactome, http://www.reactome.org ReactomeREACT_20508 Reviewed: He, L, 2009-11-12 The Rhesus (Rh) glycoproteins were originally described in human blood cells as potent immunogens. There are three Rh glycoproteins in humans; an erythroid-specific Rh-associated glycoprotein (RhAG) and two non-erythroid Rh glycoproteins, RhBG and RhCG. These proteins are related to ammonium (NH4+) transporters of yeast and bacteria (methylammonium and ammonium permease and ammonium transporter, MEP/Amt) (Nakhoul NL and Hamm LL, 2004; Planelles G, 2007).