Journal
PROTEOMES
Volume 9, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/proteomes9020024
Keywords
misincorporation; post-translational modifications; PTM; Levodopa; L-DOPA
Categories
Funding
- Australian Government Research Training Program Stipend
- UTS Doctoral Scholarship
- Jumbunna Postgraduate Research Scholarship
- University of Technology Sydney's Research Excellence Scholarship
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This paper presents a proof-of-concept method for enzymatically creating levodopa-containing proteins and provides spectral evidence of in vitro incorporation, while also demonstrating the induction of the unfolded protein response caused by levodopa.
Proteinopathies are protein misfolding diseases that have an underlying factor that affects the conformation of proteoforms. A factor hypothesised to play a role in these diseases is the incorporation of non-protein amino acids into proteins, with a key example being the therapeutic drug levodopa. The presence of levodopa as a protein constituent has been explored in several studies, but it has not been examined in a global proteomic manner. This paper provides a proof-of-concept method for enzymatically creating levodopa-containing proteins using the enzyme tyrosinase and provides spectral evidence of in vitro incorporation in addition to the induction of the unfolded protein response due to levodopa.
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