BIOCATALYZER AS A CORE COMPONENT OF AN ENZYME CATALYZED REDOX SYSTEM FOR THE BIOCATALYTIC REDUCTION OF CYSTINE

An enzyme for reducing cystine to cysteine is a fusion protein that includes the protein activities of thioredoxin (protein i) having KEGG database number EC 1.8.4.8 or EC 1.8.4.10 and thioredoxin reductase (protein ii) having KEGG database number EC 1.8.1.9. The thioredoxin (protein i) is the prote...

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Hauptverfasser: TORRES MONROY, Ingrid, BORNHÖVD, Carsten, JACH, Guido, WELTERS, Peter
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:An enzyme for reducing cystine to cysteine is a fusion protein that includes the protein activities of thioredoxin (protein i) having KEGG database number EC 1.8.4.8 or EC 1.8.4.10 and thioredoxin reductase (protein ii) having KEGG database number EC 1.8.1.9. The thioredoxin (protein i) is the protein activity of thioredoxin 1 from E. coli and the thioredoxin reductase (protein ii) is the protein activity of the thioredoxin reductase from E. coli. The activity of the fusion protein is at least 100% of the activity of a mixture of the same but unfused individual proteins i and ii. The fusion protein has the enzyme activity to reduce cystine to cysteine. The coding sequences (cds) responsible for the activity of protein i and ii has been fused.