Table II. Cathepsins identified in RAW 264.7 lysate. Listed are the number of unique peptides and the sequence coverage (in brackets) of all cathepsin targets of azido-E-64 identified from a RAW 264.7 lysate. A full list of identified proteins is given in supplemental Table S4.

Protein name	Accession number	On-bead digestion	Chemical cleavage
Cathepsin Z	Q9WUU7	9 (26%)	9 (25%)
Cathepsin B	P10605	11 (26%)	11 (26%)