==External links==* - PMAP The Proteolysis Map-animation==References==* T. J. Kindt and R. A. Goldsby, "Kuby immunology", 6th edition, W.H.
* Antigen: protease degradation — PMAP The Proteolysis Map-animation== References ==Kindt, TJ & Goldsby, RA, 2007 , Kuby immunology , 6th ed, W.H.