Abstract
A new reagent, ethyl 4‐azidobenzoylaminoacetimidate, was prepared in a four‐step synthesis starting from 4‐aminobenzoic acid. This compound was used to cross‐link RNA with proteins within the Escherichia coli 30‐S ribosomal subunits. Following the reaction of the imidoester function with protein NH2 groups, photoactivation of the azide binds the other end of the reagent to RNA. The cross‐linked proteins were labelled with 125I and identified by bidimensional gel electrophoresis. Proteins S3, S4, SS, S7, S9, S17, S18 and, in a lower and more variable yield, S12, S13, S14 and S16 were bound to 16‐S RNA. These results were confirmed by isolating cross‐linked protein‐oligonucleotide complexes from 30‐S subunits containing 32P‐labelled RNA.
Bibliography
MILLON, R., OLOMUCKI, M., LE GALL, J., GOLINSKA, B., EBEL, J., & EHRESMANN, B. (1980). Synthesis of a New Reagent, Ethyl 4âazidobenzoylaminoacetimidate, and Its Use for RNAâProtein Crossâlinking within Escherichia coli Ribosomal 30âS Subunits. European Journal of Biochemistry, 110(2), 485â492. Portico.
References
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Dates
Type | When |
---|---|
Created | 20 years, 5 months ago (March 3, 2005, 3:45 p.m.) |
Deposited | 1 year, 9 months ago (Nov. 22, 2023, 11:09 p.m.) |
Indexed | 1 year, 8 months ago (Nov. 23, 2023, 2:09 a.m.) |
Issued | 44 years, 11 months ago (Sept. 1, 1980) |
Published | 44 years, 11 months ago (Sept. 1, 1980) |
Published Online | 20 years, 5 months ago (March 3, 2005) |
Published Print | 44 years, 11 months ago (Sept. 1, 1980) |
@article{MILLON_1980, title={Synthesis of a New Reagent, Ethyl 4‐azidobenzoylaminoacetimidate, and Its Use for RNA‐Protein Cross‐linking within Escherichia coli Ribosomal 30‐S Subunits}, volume={110}, ISSN={1432-1033}, url={http://dx.doi.org/10.1111/j.1432-1033.1980.tb04890.x}, DOI={10.1111/j.1432-1033.1980.tb04890.x}, number={2}, journal={European Journal of Biochemistry}, publisher={Wiley}, author={MILLON, Régine and OLOMUCKI, Martin and LE GALL, Jean‐Yves and GOLINSKA, Barbara and EBEL, Jean‐Pierre and EHRESMANN, Bernard}, year={1980}, month=sep, pages={485–492} }