Liha töötlemine
proteolysis and tenderness that have been ines to form nitrosothiols that can alter the
observed in meat. activity of the protein. Because of this, it
has been suggested that S-nitrosylation may
function as a post-translational modification
Nitric Oxide and S-Nitrosylation
much like phosphorylation (Jaffrey et al.
Nitric oxide (NO) is often used as a general 2001). Some proteins, such as the ryanodine
term that includes NO and reactive nitrogen receptor and the cysteine protease caspase-
species (RNS), like S-nitrosothyols, per- 3, have been shown to be endogenously
oxynitrate, and metal NO complexes. In nitrosylated, further supporting the sugges-
living tissue, NO is involved in arteriole dila- tion that formation of nitrosothiols may be