Abstract:Highly purified E. coli tRNA1Val and tRNA1Ala have been isolated, based on the properties of heteroaminoacylated tRNAs and their behaviour on BD-cellulose chromatography.
The isoacceptor patterns of glycyl-tRNAs from fetal bovine myocardium during development, and of adult cardiac muscle, have been studied by reverse-phase chromatography. 4 isospecies were detected and quantitative changes in their relative abundance were noted. Moreover, upon testing their efficiency in transferring glycine into polypeptides a differential utilization of the cognate tRNAs was observed.
The isoacceptor patterns of glycyl-tRNAs from fetal bovine myocardium during development, and of adult cardiac muscle, have been studied by reverse-phase chromatography. 4 isospecies were detected and quantitative changes in their relative abundance were noted. Moreover, upon testing their efficiency in transferring glycine into polypeptides a differential utilization of the cognate tRNAs was observed.
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