Definition: A group of carrier proteins which bind with VITAMIN B12 in the BLOOD and aid in its transport. Transcobalamin I migrates electrophoretically as a beta-globulin, while transcobalamins II and III migrate as alpha-globulins.
Other names Vitamin B 12-Binding Proteins; Transcobalamin II; Vitamin B12 Binding Proteins; Vitamin B 12 Binding Proteins; R Binder; Proteins, Vitamin B12-Binding; Proteins, Cobalamin-Binding; Holo Transcobalamin II; Cobalamin Binding Proteins; Vitamin B12-Binding Proteins; Vitamin B 12 Binder; Transcobalamin III; Transcobalamin I; Transcobalamin (I); Holo-Transcobalamin II; Haptocorrin; Cobalophilin; Cobalamin-Binding Proteins; R-Binder
