title: Transmembrane transport of cobalamin in prokaryotic and eukaryotic cells.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002462:Cell Membrane / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D056890:Eukaryota / Q000378:metabolism; D006801:Humans; D007082:Ileum / Q000378:metabolism; D007408:Intestinal Absorption; D007413:Intestinal Mucosa / Q000378:metabolism; D008565:Membrane Proteins / Q000378:metabolism*; D009154:Mutation; D011956:Receptors, Cell Surface / Q000378:metabolism*; D013045:Species Specificity; D014155:Transcobalamins / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D008565:Membrane Proteins; D011956:Receptors, Cell Surface; D014155:Transcobalamins; C028176:transcobalamin receptor; D014805:Vitamin B 12