Four pancreas-made digestive proteases translated & shipped as zymogens to be activated in feces. No surprises, but a lot of ontology creep in the description of the sites of protein observation.

#CPA1:p & #CPA2 (carboxypeptidase A1 & A2), #CELA2A:p & #CELA3A:p (chymotrypsin like elastase 2A & 3A): Human Protein Atlas mRNA tissue distributions & GPMDB protein tissue tabbulations. #proteomics