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. 1979 Sep 11;7(1):231-8.
doi: 10.1093/nar/7.1.231.

Specific fluorescent labeling of 7-(aminomethyl)-7-deazaguanosine located in the anticodon of tRNATyr isolated from E. coli mutant

H Kasai, N Shindo-Okada, S Noguchi, S Nishimura

Specific fluorescent labeling of 7-(aminomethyl)-7-deazaguanosine located in the anticodon of tRNATyr isolated from E. coli mutant

H Kasai et al. Nucleic Acids Res. .

Abstract

Under-modified E. coli tRNATyr that contains 7-(aminomethyl)-7-deazaguanosine in place of Q nucleoside can be chemically modified by dansyl chloride under neutral conditions. Fluorescent labelling specifically occurred only in the 7-(aminomethyl)-7-deazaguanine moiety. The modified tRNATyr was found to be active both in aminoacylation and in binding to ribosomes.

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