Compositions and methods for making selenocysteine containing polypeptides
Patent
·
OSTI ID:1568108
Non-naturally occurring tRNASec and methods of using them for recombinant expression of proteins engineered to include one or more selenocysteine residues are disclosed. The non-naturally occurring tRNASec can be used for recombinant manufacture of selenocysteine containing polypeptides encoded by mRNA without the requirement of an SECIS element. In some embodiments, selenocysteine containing polypeptides are manufactured by co-expressing a non-naturally occurring tRNASec a recombinant expression system, such as E. coli, with SerRS, EF-Tu, SelA, or PSTK and SepSecS, and an mRNA with at least one codon that recognizes the anticodon of the non-naturally occurring tRNASec.
- Research Organization:
- Yale Univ., New Haven, CT (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-98ER20311
- Assignee:
- Yale University (New Haven, CT)
- Patent Number(s):
- 10,240,158
- Application Number:
- 15/202,194
- OSTI ID:
- 1568108
- Country of Publication:
- United States
- Language:
- English
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