KCNIP3, also known as calsenilin, is a neuronal calcium‐binding protein that has been shown to have multiple cellular functions, including regulating the intracellular concentration of calcium, binding and modulating presenilin (an Alzheimer's‐disease‐related protein) and controlling multiple signaling pathways as a second messenger.35, 45. The gene discussed is KCNIP3; the disease is glycogen storage disease VI.