Loading of Ligand onto Biosensor and Washing Away Additional Ligand
3:43
Association of Analyte to Ligand and Dissociation of Analyte from Ligand
5:41
Results: A 28 Amino Acid Middle Region of GrgA Binds σ28 In Vitro
6:45
Conclusion
필기록
Protein-protein interaction in transcription has been traditionally studied using Por dialysis. However, Por dialysis are purely quantitative. We use biolayer interferometry, or BLI, to overcome this problem.
Compared to Por dan, BLI detects
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Interactions of transcription factors (TFs) with the RNA polymerase are usually studied using pulldown assays. We apply a Biolayer Interferometry (BLI) technology to characterize the interaction of GrgA with the chlamydial RNA polymerase. Compared to pulldown assays, BLI detects real-time association and dissociation, offers higher sensitivity, and is highly quantitative.