PCK1 is a symbol for the gene, Phosphoenolpyruvate carboxykinase 1, in humans. Other names include: Phosphoenolpyruvate carboxykinase, cytosolic [GTP]; PEPCK-C; PEPCK1; PEPCKC; phosphoenolpyruvate carboxykinase 1 (soluble). The encoded protein is an enzyme with an amino acid length of 622 and a mass of 69.2 kDa. Other isoforms may exist. This gene shares homology with other species, including: Frog.