? DESCRIPTION (provided by applicant): In this Phase I proposal, we plan to develop two technologies to dramatically increase the expression and crystallization of properly folded recombinant membrane proteins from mammalian cell culture. The most common methods to produce high yields of recombinant proteins at low cost rely on bacterial, yeast, or insect-cell expression. However, the proteins produced in these systems are very difficult to purify in native form, and they lack the mammalian glycosylation patterns that are often necessary for proper folding and native activity. We plan to develop a novel protein fusion partner that enables mammalian expression of proteins that are otherwise nearly impossible to produce. A second technology will add an internal motif to greatly enhance structural stability and facilitate crystallization of the target membrane protein. Together, these technologies have the potential to improve protein yields in mammalian cell culture by over 20-fold and to allow crystallization of proteins that are currently impossible to study.
|Effective start/end date||1/1/16 → 12/31/18|
- Structural Biology
- Cell Biology
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