4-pyridoxolactonase

The enzyme 4-pyridoxolactonase (EC 3.1.1.27) catalyzes the reaction


 * 4-pyridoxolactone + H2O $$\rightleftharpoons$$ 4-pyridoxate

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name is 4-pyridoxolactone lactonohydrolase. It participates in vitamin B6 metabolism.