Sequence and conformation of 5 S RNA from Chlorella cytoplasmic ribosomes: Comparison with other 5 S RNA molecules
1974
Abstract The sequence of Chlorella cytoplasmic 5 S RNA has been determined by fingerprinting techniques. Partial digests were fractionated by a two-dimensional acrylamide gel electrophoretic technique, which indicates whether specific fragments are paired in the molecule. In this way, the four main base-paired regions of the molecule were located. The sequence of Chlorella cytoplasmic 5 S RNA is related to, but different from, that of other eukaryotic 5 S RNAs: it shows approximately 60% homology with vertebrate 5 S RNA and 40% homology with yeast 5 S RNA. In some respects the conformation of the molecule in solution is quite different from that of other sequenced 5 S RNAs: in particular, the highly accessible region found around position 40 in all other 5 S RNAs (prokaryotic and eukaryotic) does not exist in this molecule.
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