Crystal structures of a ligand-free and malonate-bound human caspase-1: implications for the mechanism of substrate binding.
Romanowski, M.J., Scheer, J.M., O'Brien, T., McDowell, R.S.(2004) Structure 12: 1361-1371
- PubMed: 15296730 
- DOI: 10.1016/j.str.2004.05.010
- Primary Citation of Related Structures:  
1SC4, 1SC3, 1SC1 - PubMed Abstract: 
Caspase-1, a mediator of the posttranslational processing of IL-1beta and IL-18, requires an aspartic acid in the P1 position of its substrates. The mechanisms of caspase-1 activation remain poorly understood despite numerous structures of the enzyme complexed with aspartate-based inhibitors ...