Studies and sequences of Escherichia coli 4.5 S RNA. |
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Authors: | B E Griffin |
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Abstract: | 4.5 S RNA, a biologically stable species with electrophoretic properties intermediate between 5 S and transfer RNAs, has been isolated from Escherichia coli and characterized. No function has yet been found for this molecule. Its primary structure and behavior suggests an unusually stable and possibly unique secondary structure. Even from single species of E. coli, there is some sequence heterogeneity within the molecule. The sequence of a major species from MRE 600 is: (see article). Methods for getting sequence overlaps on this highly structured RNA are described, and a possible functional role for 4.5 S RNA is discussed. |
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