Journal
MOLECULES
Volume 27, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/molecules27031109
Keywords
vortex fludics; sulfitolysis; cysteine; peptides
Funding
- Australian Research Council [DP200101106]
- Government of South Australia
- Australian Government Research Training Program Scholarship
- Australian Research Council [DP200101106] Funding Source: Australian Research Council
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A versatile peptide production process has been developed using an angled vortex fluidic device (VFD), allowing for oxidative sulfitolysis at a wider pH range with higher conversion rate.
In peptide production, oxidative sulfitolysis can be used to protect the cysteine residues during purification, and the introduction of a negative charge aids solubility. Subsequent controlled reduction aids in ensuring correct disulfide bridging. In vivo, these problems are overcome through interaction with chaperones. Here, a versatile peptide production process has been developed using an angled vortex fluidic device (VFD), which expands the viable pH range of oxidative sulfitolysis from pH 10.5 under batch conditions, to full conversion within 20 min at pH 9-10.5 utilising the VFD. VFD processing gave 10-fold greater conversion than using traditional batch processing, which has potential in many applications of the sulfitolysis reaction.
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