Lysyl hydroxylase

Overview
Lysyl hydroxylase (or procollagen-lysine 5-dioxygenase) is an oxygenase enzyme which catalyzes the hydroxylation of lysine to hydroxylysine. This reaction is involved in the formation and stabilization of collagen.

It requires vitamin C as a cofactor.

Pathology
A deficiency is associated with Ehlers-Danlos syndrome.