2.3.1.135 lecithin + 11-cis-retinol-[cellular retinol-binding protein] - 2.3.1.135 lecithin + all-trans-retinol-[cellular retinol-binding protein] - 2.3.1.135 lecithin + retinol-[cellular retinol-binding protein III] fatty acid retinyl esters are the storage form of vitamin A, all-trans-retinol, and serve as metabolic intermediates in the formation of the visual chromophore 11-cis-retinal, LRAT catalyzes the synthesis of retinyl esters, thereby drawing retinol from the circulation to storage depots 2.3.1.135 lecithin + retinol-[cellular retinol-binding protein III] the enzyme is responsible for catalyzing retinyl ester formation from retinol 2.3.1.135 lecithin + retinol-[cellular retinol-binding protein] - 2.3.1.135 additional information retinoids play an essential role in development and throughout life, levels in rat tissue after treatment with 2,3,7,8-tetrachlorodibenzo-4-dioxin, overview 2.3.1.135 additional information ARAT, EC 2.3.1.76, may complement LRAT to provide additional retinyl-ester synthase activity under conditions of high all-trans-retinol 2.3.1.135 additional information low prevalence of lecithin retinol acyltransferase mutations in patients with Leber congenital amaurosis and autosomal recessive retinitis pigmentosa 2.3.1.135 additional information LRAT is not required for retinoid isomerase activity beyond synthesis of retinyl-ester substrate, association of Rpe65 protein, a membrane-associated protein in the retinal pigment epithelium, with membranes is neither dependent upon LRAT nor the result of S-palmitoylation on Cys231, Cys329, and Cys330 by the enzyme, overview 2.3.1.135 additional information LRAT is required for retinoid storage and lipid droplet formation in hepatic stellate cells, LRAT is not the sole enzyme that catalyzes retinyl ester formation in vivo, role of LRAT in retinoid absorption and storage in different tissues, overview