[Pyruvate dehydrogenase [lipoamide]] kinase isozyme 2,mitochondrial,PDHK2,PDK2,PDK2,Pyruvate dehydrogenase kinase isoform 2,Pyruvate dehydrogenase kinase,isozyme 2,Pyruvate dehydrogenase lipoamide kinase isozyme 2,mitochondrial,This gene encodes a member of the pyruvate dehydrogenase kinase family. The encoded protein phosphorylates pyruvate dehydrogenase, down-regulating the activity of the mitochondrial pyruvate dehydrogenase complex. Overexpression of this gene may play a role in both cancer and diabetes. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene.