KCNJ11 (Potassium Inwardly Rectifying Channel Subfamily J Member 11): KCNJ11 encodes a protein that forms part of the ATP-sensitive potassium (KATP) channel in pancreatic beta cells. KATP channels play a role in insulin secretion and glucose homeostasis. Variations in KCNJ11 are associated with an increased risk of type 2 diabetes....