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How to determine the relative stoichiometry of protein to RNA in the particle? 


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To determine the relative stoichiometry of protein to RNA in a particle, various methods can be employed based on the specific system under study. For instance, in the context of viral assembly, the stoichiometry of components like DNA-packaging pRNA and other structural proteins can be quantified using dilution factors, percentage probabilities, and titration curve slopes . In the case of negative-strand RNA viruses like Bunyamwera virus, the association of the N protein with RNA to form ribonucleoprotein complexes can provide insights into the stoichiometry, with approximately 12 nucleotides per N monomer being observed . Additionally, mass spectrometry-based techniques can be utilized to determine protein stoichiometries within complexes, as demonstrated in the study of spliceosomal complexes .

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Relative stoichiometry of proteins to RNA in particles can be determined using mass spectrometry-based techniques like iTRAQ labeling and SILAC, as demonstrated in the study on spliceosomal complexes.
The relative stoichiometry of protein to RNA in the particle can be determined by extracting and sequencing RNAs bound to the model RNPs, revealing approximately 12 nucleotides per N monomer.
Relative stoichiometry of proteins in protein-RNA assemblies can be determined using mass spectrometry-based techniques like iTRAQ labeling, SILAC, and semi-quantitative spectral count analysis, as demonstrated in the study.
The relative stoichiometry of protein to RNA in the particle is determined by a simple biochemical model with resource competition using programmable and modular promoters in mammalian cells.
Open accessJournal ArticleDOI
Mark Trottier, Peixuan Guo 
65 Citations
By comparing slopes of dilution factor curves, the stoichiometry of components can be determined. A slope of 1 indicates one copy per virion, while >1 suggests multiple copies.

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