title: Viral proteases: evolution of diverse structural motifs to optimize function.
authors.affiliation: Arris Pharmaceutical Corporation, South San Francisco, California 94080, USA.
authors.forename: L M
authors.initials: LM
authors.lastname: Babé
authors.forename: C S
authors.initials: CS
authors.lastname: Craik
mesh_terms: D010450:Endopeptidases / Q000737:chemistry*; D019143:Evolution, Molecular; D008958:Models, Molecular; D014764:Viral Proteins / Q000737:chemistry; D014780:Viruses / Q000201:enzymology*
chemical_list: D014764:Viral Proteins; D010450:Endopeptidases