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Literature summary for 5.3.4.1 extracted from

  • Appenzeller-Herzog, C.; Ellgaard, L.
    In vivo reduction-oxidation state of protein disulfide isomerase: the two active sites independently occur in the reduced and oxidized forms (2008), Antioxid. Redox Signal., 10, 55-64.
    View publication on PubMed

Application

Application Comment Organism
analysis development of a method to determine quantitatively the redox state of active-site cysteines found in the Cys-Xaa-Xaa-Cys motif in living cells. Method is based on the alkylation of cysteines by methoxy polyethylene glycol 5000 maleimide. In vivo, protein disulfide isomerase is present in two semi-oxidized forms in which either the first active site in the a domain or the second active site in the a' domain is oxidized. In HEK-293 cells, about 50% of enzyme is fully reduced, in 18% a domain is oxidized, a' reduced, in 15%, the a domain is reduced, a' oxidized, and 16% of enzyme are fully oxidized Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining

Organism

Organism UniProt Comment Textmining
Homo sapiens
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Posttranslational Modification

Posttranslational Modification Comment Organism
additional information in vivo, protein disulfide isomerase is present in two semi-oxidized forms in which either the first active site in the a domain or the second active site in the a' domain is oxidized. In HEK-293 cells, about 50% of enzyme is fully reduced, in 18% a domain is oxidized, a' reduced, in 15%, the a domain is reduced, a' oxidized, and 16% of enzyme are fully oxidized Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information in vivo, protein disulfide isomerase is present in two semi-oxidized forms in which either the first active site in the a domain or the second active site in the a' domain is oxidized. In HEK-293 cells, about 50% of enzyme is fully reduced, in 18% a domain is oxidized, a' reduced, in 15%, the a domain is reduced, a' oxidized, and 16% of enzyme are fully oxidized Homo sapiens ?
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