Check out Neuromics' various categories of antibodies that target proteases. Including Presenilins, Kallikreins/KLKs, Matrix Metalloproteinases, and Capspaes and Cathepsins

Kallikrein 6 (GT15097) satining paraffin embedded of breast cancer tissue sections Tissues were stained using anti-goat HRPDAB (brown) and counter-stained with hematoxylin (blue).