title: Intrinsic factor and the transcobalamins with reflections on the general function and evolution of soluble transport proteins.
mesh_terms: D000752:Anemia, Pernicious / Q000097:blood; D000818:Animals; D001692:Biological Transport; D001798:Blood Proteins / Q000032:analysis; D002241:Carbohydrates / Q000032:analysis; D002463:Cell Membrane Permeability; D002845:Chromatography; D002850:Chromatography, Gel; D005750:Gastric Juice / Q000032:analysis; D005753:Gastric Mucosa / Q000032:analysis; D006801:Humans; D007122:Immunoelectrophoresis; D007408:Intestinal Absorption; D007437:Intrinsic Factor / Q000032:analysis*; D046911:Macromolecular Substances / Q000032:analysis; D008970:Molecular Weight; D011708:Pylorus / Q000032:analysis; D051381:Rats; D013552:Swine; D014020:Tissue Extracts / Q000032:analysis; D014461:Ultracentrifugation; D014805:Vitamin B 12 / Q000032:analysis*
chemical_list: D001798:Blood Proteins; D002241:Carbohydrates; D046911:Macromolecular Substances; D014020:Tissue Extracts; D007437:Intrinsic Factor; D014805:Vitamin B 12