Phosphoenolpyruvate carboxykinase Tags: Protein.Phosphoenolpyruvate carboxykinase (PEPCK) is an enzyme in the lyase family used in the metabolic pathway of gluconeogenesis. It converts oxaloacetate into phosphoenolpyruvate and carbon dioxide.It is found in two forms cytosolic and mitochondrial. thumbnail arm q band 12, 13.31 chromosome 14, 20 EC number 4.1.1.32 EntrezGene 5105, 5106 HGNCid 8725, 8724 OMIM id 261650, 261680 RefSeq NM_001018073, NM_002591 symbol PCK1, PCK2, PEPCK, PEPCK PEPCK2, PEPCK-C Learn more... Loading...