Description
Elastatinal is a potent inhibitor of pancreatic elastase (K
i = 240 nM) that is produced by various species of
Actinomycetes. It more strongly inhibits pancreatic elastase
versus the leukocyte-derived enzyme. Elastatinal reduces electrophoretic mobilities of 2A proteinases from poliovirus and human rhinovirus 14 in a dose-dependent manner, indicating substrate recognition by 2A proteinases is similar to that of pancreatic elastases. It can also inhibit elastase-like protease collagenolytic protease from
C. maenas digestive glands.
Uses
Elastatinal is an elastase inhibitor.
Biochem/physiol Actions
Potent, irreversible elastase inhibitor. Elastatinal is a much stronger inhibitor of elastase from pancreas than from leucocytes.
References
1) Umezawa et al. (1973), Letter: Elastatinal, a new elastase inhibitor produced by actinomycetes; J. Antibiotics, 26 787
2) Nakajima et al. (1992), Identification of elastase as a secretory protease from cultured rat microglia; J. Neurochem., 58 1401
3) Molla et al. (1993), Inhibition of proteolytic activity of poliovirus and rhinovirus 2A proteases by elastase-specific inhibitors; J. Virol., 67 4688
4) Menendez-Arias et al. (1992), Isolation and characterization of alpha 2-macroglobulin-protease complexes from purified mouse mammary tumor virus and culture supernatants from virus-infected cell lines; J. Biol. Chem., 267 11392
