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Archives of Biochemistry and Biophysics
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License: Elsevier Non-Commercial
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Archives of Biochemistry and Biophysics
Article . 2016 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Preparation of ribosomes for smFRET studies: A simplified approach

Authors: Bassem, Shebl; Drew E, Menke; Min, Pennella; Raghav R, Poudyal; Donald H, Burke; Peter V, Cornish;

Preparation of ribosomes for smFRET studies: A simplified approach

Abstract

During the past decade, single-molecule studies of the ribosome have significantly advanced our understanding of protein synthesis. The broadest application of these methods has been towards the investigation of ribosome conformational dynamics using single-molecule Förster resonance energy transfer (smFRET). The recent advances in fluorescently labeled ribosomes and translation components have resulted in success of smFRET experiments. Various methods have been employed to target fluorescent dyes to specific locations within the ribosome. Primarily, these methods have involved additional steps including subunit dissociation and/or full reconstitution, which could result in ribosomes of reduced activity and translation efficiency. In addition, substantial time and effort are required to produce limited quantities of material. To enable rapid and large-scale production of highly active, fluorescently labeled ribosomes, we have developed a procedure that combines partial reconstitution with His-tag purification. This allows for a homogeneous single-step purification of mutant ribosomes and subsequent integration of labeled proteins. Ribosomes produced with this method are shown to be as active as ribosomes purified using classical methods. While we have focused on two labeling sites in this report, the method is generalizable and can in principle be extended to any non-essential ribosomal protein.

Related Organizations
Keywords

Sucrose, Protein Conformation, Oligonucleotides, DNA, Molecular Dynamics Simulation, Peptide Elongation Factor G, RNA, Transfer, Mutation, Fluorescence Resonance Energy Transfer, Electrophoresis, Polyacrylamide Gel, Histidine, RNA, Messenger, Ribosomes, Fluorescent Dyes

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    popularity
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average
hybrid