The protein encoded by this gene catalyzes the reduction of methionine sulfoxide to methionine. This enzyme acts as a monomer and requires zinc as a cofactor. Several transcript variants encoding two different isoforms have been found for this gene. One of the isoforms localizes to mitochondria while the other localizes to endoplasmic reticula.
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Protein Aliases: methionine sulfoxide reductase B3; Methionine-R-sulfoxide reductase B3; Methionine-R-sulfoxide reductase B3, mitochondrial; MSRB3
Gene Aliases: D430026P16Rik; DFNB74; I-8-23; MsrB2; MSRB3; UNQ1965/PRO4487