Source:http://linkedlifedata.com/resource/umls/id/C0007292
MSH: Transport proteins that carry specific substances in the blood or across cell membranes.,CSP: diverse group of proteins which serve as carriers of ligands through solubility barriers such as aqueous body fluids (for lipoid hormones) or lipid membranes (for inorganic ions).,NCI: A protein that is involved in the directed movement of substances into, out of, within or between cells.