1988
DOI: 10.7124/bc.00022a
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Interaction of fluorescent ATP and tRNA analogs with phenylalanyl-tRNA synthetase

Abstract: Введение. Этенопроизводные нуклеотидов широко используются для изучения структурно-функциональной топографии ферментов, зависимых от нуклеотидов [1]. Получены производные тРНК различной специфичности, содержащие остатки этеноаденозипа [2, 3]. Особый интерес представляет применение такого типа соединений в качестве аффинных реагентов для модификации белков. В работе [4] впервые обнаружена возможность ковалентного присоединения 1 ,Ы 6-этеиоадепозин-5 /-трифосфата (εΑΤΡ) к фенил аланил-тРНК синтетазе (КФ 6.1.1.20… Show more

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(2 citation statements)
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“…Therefore the Y-terminal adenosine provides the crucial contribution to the tRNA binding to the enzyme. The replacement of A76 by 1,N6-ethenoadenosine abolished the substrate activity and decreased the affinity 4-fold as compared to the native tRNA [14]. Yeast tRNA Phe modified in such a way has been shown to be unchargeable [11].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore the Y-terminal adenosine provides the crucial contribution to the tRNA binding to the enzyme. The replacement of A76 by 1,N6-ethenoadenosine abolished the substrate activity and decreased the affinity 4-fold as compared to the native tRNA [14]. Yeast tRNA Phe modified in such a way has been shown to be unchargeable [11].…”
Section: Resultsmentioning
confidence: 99%
“…Earlier we studied the effect of the acceptor end change of E. coli tRNA Phe on its interaction with FRS [14]. The removal of the Y-terminal adenosine decreased the tRNA affinity to the enzyme by one order of magnitude.…”
Section: Resultsmentioning
confidence: 99%