PreQ1 riboswitch
This riboswitch controls the expression of the queC-queD-queE-queF operon in response to the availability of queuosine. In the absence of queuosine, the riboswitch allows transcriptional antitermination.
Structure of this riboswitch
Additional publications: PubMed
Mijeong Kang, Robert Peterson, Juli Feigon
Structural Insights into riboswitch control of the biosynthesis of queuosine, a modified nucleotide found in the anticodon of tRNA.
Mol Cell: 2009, 33(6);784-90
[PubMed:19285444]
[WorldCat.org]
[DOI]
(I p)
Daniel J Klein, Thomas E Edwards, Adrian R Ferré-D'Amaré
Cocrystal structure of a class I preQ1 riboswitch reveals a pseudoknot recognizing an essential hypermodified nucleobase.
Nat Struct Mol Biol: 2009, 16(3);343-4
[PubMed:19234468]
[WorldCat.org]
[DOI]
(I p)
Adam Roth, Wade C Winkler, Elizabeth E Regulski, Bobby W K Lee, Jinsoo Lim, Inbal Jona, Jeffrey E Barrick, Ankita Ritwik, Jane N Kim, Rüdiger Welz, Dirk Iwata-Reuyl, Ronald R Breaker
A riboswitch selective for the queuosine precursor preQ1 contains an unusually small aptamer domain.
Nat Struct Mol Biol: 2007, 14(4);308-17
[PubMed:17384645]
[WorldCat.org]
[DOI]
(P p)
