Extensions of the known sequences at the 3' and 5' ends of 23S ribosomal RNA from Escherichia coli, possible base pairing between these 23S RNA regions and 16S ribosomal RNA
Open Access
- 1 July 1976
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 3 (7) , 1671-1688
- https://doi.org/10.1093/nar/3.7.1671
Abstract
Extensions of the known sequences at both 3′ and 5′ ends of 23S ribosomal RNA are presented : The 5′terminal is pG-G-U-U-A-A-G-Cp or pG-G-U-G-U-U-A-A-G-Cp, with a very short sequence between Up and Gp and the 3 ′terminal is G-A-A-C-C-G-A-(G)-G-C-U-U-A-A-C-C-U-UOH. These two terminal regions exhibit a high degree of complementarity. In addition, extensive complementarities are also found between the 5 ′ terminal sequence of 23S RNA and a sequence contained in section A of the 16S ribosomal RNA, and between the 3 ′terminal sequence of 23S RNA and sequences in sections O and J in the 16S RNA. The degree of complementarity between the two extremities of 23S RNA, and between these extremities and regions of the 16S RNA, is far greater than would be expected on a random basis suggesting a possible involvement of this base-pairing in the functioning of ribosome. This possibility is discussed.Keywords
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