LicT
- Description: transcriptional antiterminator of the bglP-bglH-yxiE operon and the bglS gene
| Gene name | licT |
| Synonyms | |
| Essential | no |
| Product | transcriptional antiterminator (BglG family) |
| Function | control of beta-glucan and beta-glucoside utilization |
| Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism | |
| MW, pI | 32 kDa, 5.944 |
| Gene length, protein length | 831 bp, 277 aa |
| Immediate neighbours | bglS, yxiP |
| 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
utilization of specific carbon sources, transcription factors and their control, RNA binding regulators, phosphoproteins
This gene is a member of the following regulons
The LicT regulon: bglP-bglH-yxiE, bglS
The gene
Basic information
- Locus tag: BSU39080
Phenotypes of a mutant
no expression of the bglP-bglH operon
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: binding to the mRNAs of bglS and the bglP-bglH operon, causes transcription antitermination (in presence of salicin and absence of glucose)
- Protein family: transcriptional antiterminator BglG family of antiterminators (according to Swiss-Prot)
Extended information on the protein
- Kinetic information:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization:
Database entries
- UniProt: P39805
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Regulation:
- Regulatory mechanism:
- Additional information:
Biological materials
- Mutant: GP427 (licTS, erm), available in the Stülke lab
- Expression vector:
- for expression, purification of both PRDs in E. coli with N-terminal His-tag, in pWH844: pGP165, available in Stülke lab
- for expression, purification of the RNA-binding domain in E. coli with N-terminal His-tag, in pWH844: pGP315, available in Stülke lab
- for expression, purification of the RNA-binding domain in E. coli with N-terminal His-tag and thrombin cleavage site, in pGP570: pGP572, available in Stülke lab
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Stephane Aymerich, Microbiology and Molecular Genetics, INRA Paris-Grignon, France
Josef Deutscher, Microbiology and Molecular Genetics, INRA Paris-Grignon, France
Michael Hecker, Greifswald, Germany Homepage
Your additional remarks
References
Additional publications: PubMed
Original description
Control of LicT activity
Structural analysis of LicT
Hélène Déméné, Thierry Ducat, Karine De Guillen, Catherine Birck, Stéphane Aymerich, Michel Kochoyan, Nathalie Declerck
Structural mechanism of signal transduction between the RNA-binding domain and the phosphotransferase system regulation domain of the LicT antiterminator.
J Biol Chem: 2008, 283(45);30838-49
[PubMed:18682383]
[WorldCat.org]
[DOI]
(P p)
Marc Graille, Cong-Zhao Zhou, Véronique Receveur-Bréchot, Bruno Collinet, Nathalie Declerck, Herman van Tilbeurgh
Activation of the LicT transcriptional antiterminator involves a domain swing/lock mechanism provoking massive structural changes.
J Biol Chem: 2005, 280(15);14780-9
[PubMed:15699035]
[WorldCat.org]
[DOI]
(P p)
N Declerck, H Dutartre, V Receveur, V Dubois, C Royer, S Aymerich, H van Tilbeurgh
Dimer stabilization upon activation of the transcriptional antiterminator LicT.
J Mol Biol: 2001, 314(4);671-81
[PubMed:11733988]
[WorldCat.org]
[DOI]
(P p)
H van Tilbeurgh, D Le Coq, N Declerck
Crystal structure of an activated form of the PTS regulation domain from the LicT transcriptional antiterminator.
EMBO J: 2001, 20(14);3789-99
[PubMed:11447120]
[WorldCat.org]
[DOI]
(P p)
LicT-RNA interaction
