Instead , phosphoenolpyruvate is converted into glucose via a cascade of gluconeogenesis reactions .
During a fasting state , pyruvate carboxylase phosphorylates pyruvate kinase , inactivating the enzyme and therefore , preventing phosphoenolpyruvate from being converted into pyruvate .
Phosphoenolpyruvate is converted into glucose via a cascade of gluconeogenesis reactions .
During a fasting state , pyruvate carboxylase phosphorylates pyruvate kinase , inactivating the enzyme and therefore , preventing phosphoenolpyruvate from being converted into pyruvate .