label: retinol transmembrane transporter activity
label_lc: retinol transmembrane transporter activity
description: "Enables the transfer of retinol from one side of a membrane to the other. Retinol is vitamin A1, 2,6,6-trimethyl-1-(9'-hydroxy-3',7'-dimethylnona-1',3',5',7'-tetraenyl)cyclohex-1-ene, one of the three components that makes up vitamin A."