Leukocitna elastaza (EC 3.4.21.37, lizozomalna elastaza, neutrofilna elastaza, polimorfonuklearna leukocitna elastaza, elastaza, elaszim, serinska elastaza, lizozomalna elastaza, granulocitna elastaza) je enzim.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju
- Hidroliza proteina, uključujući elastin. Preferentno odvajanje Val- > Ala-
Ovaj enzim se razlikuje od pankreasne elastaze po specifičnosti na sintetičim supstratima i po senzitivnosti na inhibitore.
- ↑ Barrett, A.J. (1981). „Leukocyte elastase”. Methods Enzymol. 80: 581-588. PMID 7043201.
- ↑ Harper, J.W., Cook, R.R., Roberts, C.J., McLaughlin, B.J. and Powers, J.C. (1984). „Active site mapping of the serine proteases human leukocyte elastase, cathepsin G, porcine pancreatic elastase, rat mast cell proteases I and II, bovine chymotrypsin Aα, and Staphylococcus aureus' protease V-8 using tripeptide thiobenzyl ester substrates”. Biochemistry 23: 2995-3002. PMID 6380580.
- ↑ Stein, R.L., Strimpler, A.M., Hori, H. and Powers, J.C. (1987). „Catalysis by human leukocyte elastase: mechanistic insights into specificity requirements”. Biochemistry 26: 1301-1305. PMID 3646070.
- ↑ Bode, W., Meyer, E., Jr. and Powers, J.C. (1989). „Human leukocyte and porcine pancreatic elastase: X-ray crystal structures, mechanism, substrate specificity, and mechanism-based inhibitors”. Biochemistry 28: 1951-1963. PMID 2655701.