| Literature DB >> 1528874 |
C Tu1, T H Tzeng, J A Bruenn.
Abstract
Translational frameshifting sometimes occurs when ribosomes encounter a "shift" site preceding a region of unusual secondary structure, which in at least three cases is known to be a pseudoknot. We provide evidence that ribosomes have a decreased rate of movement through a pseudoknot required for frameshifting. These paused ribosomes are directly situated over the shift sequence. Ribosomal pausing appears to be necessary but not sufficient for frameshifting.Mesh:
Substances:
Year: 1992 PMID: 1528874 PMCID: PMC49975 DOI: 10.1073/pnas.89.18.8636
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205