1) Human gene 
Rh family, C glycoprotein, also known as RHCG, is a protein that in humans is encoded by the RHCG gene. == Function == RHCG plays a critical role in ammonium handling and pH homeostasis in the kidney. The structure of the RHCG protein indicates that it has a hydrophobic ammonia-conducting channel and shows that it shares a common fold with the amm...