Protein
Peptide methionine sulfoxide reductase
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Function
Has an important function as a repair enzyme for proteins that have been inactivated by oxidation. Catalyzes the reversible oxidation-reduction of methionine sulfoxide in proteins to methionine. Also able to reduce dimethyl sulfoxide (DMSO) as well, with DMS as the product.
Similarity
Belongs to the MsrA Met sulfoxide reductase family.
Sequence
MSSLISKTIKYDPAKDKLITLACGCFWGTEHMYRKYLNDRIVDCKVGYANGEESKKDSPSSVSYKRVCGGDTDFAEVLQVSYNPKVITLRELTDFFFRIHDPTTSNSQGPDKGTQYRSGLFAHSDADLKELAKIKEEWQPKWGNKIATVIEPIKNFYDAEEYHQLYLDKNPQGYACPTHYLREM