Human tyrosinase (hTyr) is a Type 1 membrane bound glycoenzyme that catalyzes the initial and rate-limiting steps of melanin production in the melanosome. Mutations in the Tyr gene are linked to oculocutaneous albinism type 1 (OCA1). an autosomal recessive disorder. Currently. https://jalyttlers.shop/product-category/stacking-tumblers/