Literature for clan CL

2012
1. Polgar,L.
   Catalytic mechanisms of cysteine peptidases
   [ISSN:978-0-12-407743-0]3, 1773-1784. DOI
2. Rawlings,N.D. and Barrett,A.J.
   Introduction: The clans and families of cysteine peptidases
   [ISSN:978-0-12-407743-0]3, 1743-1773. DOI