A method for removal of blood group A substance from pepsin.
D016282:Aspartic Acid Endopeptidases; D001789:Blood Group Antigens; D006801:Humans; D010434:Pepsin A / Q000502:physiology*
D001789:Blood Group Antigens; D016282:Aspartic Acid Endopeptidases; D010434:Pepsin A
BLOOD GROUPS; PEPSINS/physiology