DsbA is a periplasmic thiol:disulfide oxidoreductase found in Gram-negative bacteria that promotes protein disulfide bond formation. DsbA contains a redox active disulfide bond that is catalytically transferred via disulfide exchange to a diverse range of newly translocated protein substrates. The protein is restored to the oxidized state by EC 1.8.5.9, protein dithiol:quinone oxidoreductase DsbB.
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The enzyme appears in viruses and cellular organisms
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
a [DsbA protein] carrying a disulfide bond + a [protein] with reduced L-cysteine residues = a [DsbA protein] with reduced L-cysteine residues + a [protein] carrying a disulfide bond
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SYSTEMATIC NAME
IUBMB Comments
protein dithiol:[DsbA protein] oxidoreductase (protein disulfide-forming)
DsbA is a periplasmic thiol:disulfide oxidoreductase found in Gram-negative bacteria that promotes protein disulfide bond formation. DsbA contains a redox active disulfide bond that is catalytically transferred via disulfide exchange to a diverse range of newly translocated protein substrates. The protein is restored to the oxidized state by EC 1.8.5.9, protein dithiol:quinone oxidoreductase DsbB.