Arches. Photo by Daniel Chia
HOPES: Huntington's Outreach Project for Education, at Stanford
Nov
16
2010

mitochondrial creatine kinase (mtCK)

A protein found in the mitochondria that exists in two forms. The first form prevents the mitochondrial membrane from destabilizing. When mtCK is inactivated by free radicals, it transforms to the second form, making the membrane less stable.