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Snapalizin (EC 3.4.24.77, mala neutralna proteaza, SnpA genski produkt (Streptomyces lividans)) je enzim.^[1]^[2]^[3] Ovaj enzim katalizuje sledeću hemijsku reakciju

Hidroliza proteina sa preferencijom za Tyr ili Phe u P1' poziciji

Ovaj enzim pripada peptidaznoj familiji M7.

Reference

^ Kurisu, G., Sugimoto, A., Harada, S., Takagi, M., Imanaka, T. and Kai, Y. (1997). „Characterization of a small metalloprotease from Streptomyces caespitosus with high specificity to aromatic residues”. J. Ferment. Bioeng. 83: 590—592.
^ Butler, M.J. (1998). „Snapalysin”. Ур.: Barrett, A.J., Rawlings, N.D. and Woessner, J.F. Handbook of Proteolytic Enzymes. London: Handbook of Proteolytic Enzymes. стр. 1134—1135.
^ Kurisu, G., Kai, Y. and Harada, S. (2000). „Structure of the zinc-binding site in the crystal structure of a zinc endoprotease from Streptomyces caespitosus at 1 Å resolution”. J. Inorg. Biochem. 82: 225—228. PMID 11132632.

Butler, M.J. (1998). „Snapalysin”. Ур.: Barrett, A.J., Rawlings, N.D. and Woessner, J.F. Handbook of Proteolytic Enzymes. London: Handbook of Proteolytic Enzymes. стр. 1134—1135.