title: Classification of human vitamin-B12-binding proteins.
mesh_terms: D001798:Blood Proteins / Q000145:classification*; D006801:Humans; D007437:Intrinsic Factor / Q000145:classification*; D008970:Molecular Weight; D011485:Protein Binding; D009626:Terminology as Topic; D014155:Transcobalamins / Q000145:classification*; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D001798:Blood Proteins; D014155:Transcobalamins; D007437:Intrinsic Factor; D014805:Vitamin B 12