QueD
- Description: 6-pyruvoyltetrahydropterin synthase, synthesis of the modified ribonucleotide queuosine
| Gene name | queD |
| Synonyms | ykvK |
| Essential | no |
| Product | 6-pyruvoyltetrahydropterin synthase |
| Function | tRNA modification |
| MW, pI | 16 kDa, 5.944 |
| Gene length, protein length | 447 bp, 149 aa |
| Immediate neighbours | queC, queE |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
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Contents
Categories containing this gene/protein
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU13730
Phenotypes of a mutant
Database entries
- DBTBS entry: no entry
- SubtiList entry: [1]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity:
- Protein family:
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
Database entries
- Structure:
- UniProt: O31676
- KEGG entry: [2]
- E.C. number:
Additional information
Expression and regulation
- Sigma factor:
- Regulation:
- repressed in the presence of queuosine (preQ1 riboswitch) PubMed
- Regulatory mechanism:
- preQ1 riboswitch: transcriptional antitermination in the absence of queuosine PubMed
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
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)
Nenad Cicmil, Lu Shi
Crystallization and preliminary X-ray characterization of queD from Bacillus subtilis, an enzyme involved in queuosine biosynthesis.
Acta Crystallogr Sect F Struct Biol Cryst Commun: 2008, 64(Pt 2);119-22
[PubMed:18259064]
[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)
Matthew R Schaab, Brett M Barney, Wilson A Francisco
Kinetic and spectroscopic studies on the quercetin 2,3-dioxygenase from Bacillus subtilis.
Biochemistry: 2006, 45(3);1009-16
[PubMed:16411777]
[WorldCat.org]
[DOI]
(P p)
John S Reader, David Metzgar, Paul Schimmel, Valérie de Crécy-Lagard
Identification of four genes necessary for biosynthesis of the modified nucleoside queuosine.
J Biol Chem: 2004, 279(8);6280-5
[PubMed:14660578]
[WorldCat.org]
[DOI]
(P p)
