Vitamin B 12 binding by intrinsic factor.
D005750:Gastric Juice / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D007437:Intrinsic Factor / Q000378:metabolism*; D007700:Kinetics; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D014805:Vitamin B 12