http://purl.uniprot.org/keywords/683 | http://www.w3.org/2000/01/rdf-schema#comment | "Protein which binds retinol, one of the active form of Vitamin A, a fat-soluble vitamin derived from carotenes. It is a precursor of retinal, the light-absorbing group of visual pigments. Vitamin A is also required for growth."xsd:string |