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Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
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Profiling And Verifying The Substrates Of E3 Ubiquitin Ligase Rsp5 In Yeast Cells, Shuai Fang, Geng Chen, Yiyang Wang, Rakhee Ganti, Tatiana A Chernova, Li Zhou, Savannah E Jacobs, Duc Duong, Hiroaki Kiyokawa, Yury O Chernoff, Ming Li, Natalia Shcherbik, Bo Zhao, Jun Yin
Profiling And Verifying The Substrates Of E3 Ubiquitin Ligase Rsp5 In Yeast Cells, Shuai Fang, Geng Chen, Yiyang Wang, Rakhee Ganti, Tatiana A Chernova, Li Zhou, Savannah E Jacobs, Duc Duong, Hiroaki Kiyokawa, Yury O Chernoff, Ming Li, Natalia Shcherbik, Bo Zhao, Jun Yin
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Yeast is an essential model organism for studying protein ubiquitination pathways; however, identifying the direct substrates of E3 in the cell presents a challenge. Here, we present a protocol for using the orthogonal ubiquitin transfer (OUT) cascade to profile the substrate specificity of yeast E3 Rsp5. We describe steps for OUT profiling, proteomics analysis, in vitro and in cell ubiquitination, and stability assay. The protocol can be adapted for identifying and verifying the ubiquitination targets of other E3s in yeast. For complete details on the use and execution of this protocol, please refer to Wang et al.