Cloning of MBP-free Protein Variants Using Gibson Assembly
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Cloning of MBP-free Protein Variants Using Gibson Assembly
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2023
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High throughput screening to select for ATP/GTP binding proteins from primordial-like proteins yielded approximately 20 variants with high binding ability. These protein variants with polyhistidine (His) and Maltose Binding Protein (MBP) tags were expressed in Eschericia coli. Tags were added to aid in purification and solubility, but large size of tags caused issues with protein crystallization. Gibson Assembly was explored as a method to successfully clone protein variants without an MBP tag. TEV protease cleavage of His and MBP tagged proteins was also explored to separate MBP from the free protein variants for characterization.
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This research was supported by the Undergraduate Research Opportunities Program (UROP) and by the National Aeronautics and Space Association (NASA) under the award 80NSSC21K0595.
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Malisetti, Nithya, S; Soltau, Alexander, D; Winslow, Peter; Seelig, Burckhard. (2023). Cloning of MBP-free Protein Variants Using Gibson Assembly. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/256916.
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