https://www.selleckchem.com/
Oxidative modification of protein structure has been shown to play a significant role in bacterial virulence and metabolism. The sulfur-containing residues are susceptible to oxidation and the enzymatic reversal of oxidized cysteine or methionine is detected in many organisms. Methionine sulfoxide reductases (Msr) are responsible for reducing oxidized methionine. The two different Msrs, MsrA and MsrB, reduce methionine R-sulfoxide and methionine S-sulfoxide, respectively through self-oxidation. This study elucidated the structure of MsrB from Staphylococcus
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