PMID:2839766
| Citation |
Afonina, EI, Gaĭda, GZ, Stel'mashchuk, VIa, Chichkova, NV and Bogdanov, AA [Ribosomes with unique breaks in 16S RNA: isolation and biological activity]. Mol. Biol. (Mosk.) 22:446-53 |
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| Abstract |
A set of Escherichia coli 16S rRNA having unique breaks were prepared using the method of oligodeoxyribonucleotide-directed fragmentation with RNAse H. 16S RNA remained compact or dissociated to separate fragments, depending on the cleavage site location in the RNA structure. 16S rRNAs which have been split at different sites or their isolated fragments were used for a reconstitution of the 30S ribosomal subunits. These reconstituted 30S subunits carrying unique breaks at positions 301, 772, 1047 have the same sedimentation coefficients and electron microscopy images as the native subunit. They were active in the poly(U)-directed cell-free system of synthesis of polyphenylalanine. |
| Links | |
| Keywords |
Electrophoresis, Polyacrylamide Gel; Endoribonucleases/metabolism; Hydrolysis; RNA, Ribosomal/genetics; RNA, Ribosomal, 16S/genetics; RNA, Ribosomal, 16S/metabolism; Ribonuclease H; Ribosomes/metabolism |
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