Description
Elastase is chromatographically prepared from the euglobin fraction of porcine pancreas by the method of Lewis et al. then 2X crystallized and assayed using a method adapted from that of Feinstein et al., Biochem. Biophys. Res. Comm., 50, 1020 (1973) and using the more soluble substrate of Bieth et al., Biochem. Med., 11, 350 (1974). Optimum pH is 8.5