Phosphoenolpyruvate Carboxykinase Deficiency, Cytosolic, is also known as pepck deficiency, cytosolic. An important gene associated with Phosphoenolpyruvate Carboxykinase Deficiency, Cytosolic is PCK1 (Phosphoenolpyruvate Carboxykinase 1). Affiliated tissues include liver, and related phenotypes are hypoglycemia and hepatic failure