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“Chemical aminoacylation” of tRNA's

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Hecht, S.M., Alford, B.L., Kuroda, Y., Kitano, S.·1978·Journal of Biological Chemistry

Abstract

Incubation of abbreviated tRNA's (tRNA-C-COH's) with (chemically) preaminoacylated P1, P2-di(adenosine 5'-)diphosphates in the presence of purified RNA ligase effected transfer of an aminoacyladenylate moiety to the 3'-terminus of the abbreviated tRNA's in good yield. Aminoacylated (or misacylated) tRNA's may thus be prepared from fractionated or unfractionated tRNA-C-COH's; each of the five aminoacylated dinucleoside diphosphates tested was utilized as a substrate by RNA ligase. That the resulting "chemically aminoacylated" tRNA's were identical with those prepared by enzymatic aminoacylation was judged by comparison of 1) chromatographic properties on benzolated diethylaminoethyl-cellulose, 2) rates of chemical deacylation, and 3) affinities for elongation factor Tu, as well as 4) the ability of misacylated tRNA's so derived to be deacylated chemically and then reactivated enzymatically with their cognate amino acids.

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Metadata

Authors
Hecht, S. M., Alford, B. L., Kuroda, Y., & Kitano, S.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1978-07
Volume
253
Issue
13
Pages
4517-4520
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1582006209
Cited by
194
References
0
FWCI
0.72
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: “Chemical aminoacylation” of tRNA's. https://app.cochat.ai/papers/10.1016/s0021-9258(17)30417-9
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Hecht, S. M., Alford, B. L., Kuroda, Y., & Kitano, S. (1978). “Chemical aminoacylation” of tRNA's. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(17)30417-9

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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