Gene Rv2462c
in Mycobacterium tuberculosis H37Rv
General annotation
| Type | CDS |
| Function | Involved in protein export. Acts as a chaperone by maintaining the newly synthesized protein in an open conformation. |
| Product | Probable trigger factor (TF) protein Tig |
| Comments | Rv2462c, (MTV008.18c), len: 466 aa. Probable tig, trigger factor (TF), a chaperone protein, equivalent to Q9CBY2|ML1481 possible molecular chaperone from Mycobacterium leprae (469 aa), FASTA scores: opt: 2171, E(): 7.2e-113, (70.1% identity in 468 aa overlap). Also similar to oyher trigger factors from several organisms e.g. Q9F314|SCC80.05c from Streptomyces coelicolor (468 aa), FASTA scores: opt: 1224, E(): 1.7e-60, (41.8% identity in 469 aa overlap); Q9K8F3|TIG_BACHD from Bacillus halodurans (431 aa), FASTA scores: opt: 675, E(): 3.6e-30, (28.5% identity in 421 aa overlap); P22257|TIG_ECOLI from Escherichia coli (432 aa), FASTA scores: opt: 493, E(): 4.2e-20, (23.35% identity in 433 aa overlap); etc. Belongs to the FKBP-type PPIase family, TIG subfamily. |
| Functional category | Cell wall and cell processes |
| Proteomics | The product of this CDS corresponds to spots Tig identified in cell wall and cytosol by proteomics at the Statens Serum Institute (Denmark), and at the Max Planck Institute for Infection Biology, Berlin, Germany (see proteomics citations). Also identified by proteomics during starvation as downregulated (see Betts et al., 2002). Identified in the membrane fraction of M. tuberculosis H37Rv using 1D-SDS-PAGE and uLC-MS/MS (See Gu et al., 2003). Identified in the culture supernatant of M. tuberculosis H37Rv using mass spectrometry (See Mattow et al., 2003). Identified in the cytosol and cell membrane fraction of M. tuberculosis H37Rv using 2DLC/MS (See Mawuenyega et al., 2005). Identified by mass spectrometry in Triton X-114 extracts of M. tuberculosis H37Rv (See Malen et al., 2010). Identified by mass spectrometry in the membrane protein fraction and whole cell lysates of M. tuberculosis H37Rv but not the culture filtrate (See de Souza et al., 2011). |
| Transcriptomics | mRNA identified by microarray analysis and down-regulated after 4h, 24h and 96h of starvation (see Betts et al., 2002). |
| Mutant | Non-essential gene for in vitro growth of H37Rv in a MtbYM rich medium, by Himar1 transposon mutagenesis (see Minato et al. 2019). Non-essential gene for in vitro growth of H37Rv, by analysis of saturated Himar1 transposon libraries (see DeJesus et al. 2017). Non essential gene by Himar1 transposon mutagenesis in H37Rv and CDC1551 strains (see Sassetti et al., 2003 and Lamichhane et al., 2003). Non-essential gene for in vitro growth of H37Rv, but essential for in vitro growth on cholesterol; by sequencing of Himar1-based transposon mutagenesis (See Griffin et al., 2011). Check for mutants available at TARGET website |
Coordinates
| Type | Start | End | Orientation |
|---|---|---|---|
| CDS | 2763891 | 2765291 | - |
Genomic sequence
Feature type
Upstream flanking region (bp)
Downstream flanking region (bp)
Update
Protein sequence
>Mycobacterium tuberculosis H37Rv|Rv2462c|tig
VKSTVEQLSPTRVRINVEVPFAELEPDFQRAYKELAKQVRLPGFRPGKAPAKLLEARIGREAMLDQIVNDALPSRYGQAVAESDVQPLGRPNIEVTKKEYGQDLQFTAEVDIRPKISPPDLSALTVSVDPIEIGEDDVDAELQSLRTRFGTLTAVDRPVAVGDVVSIDLSATVDGEDIPNAAAEGLSHEVGSGRLIAGLDDAVVGLSADESRVFTAKLAAGEHAGQEAQVTVTVRSVKERELPEPDDEFAQLASEFDSIDELRASLSDQVRQAKRAQQAEQIRNATIDALLEQVDVPLPESYVQAQFDSVLHSALSGLNHDEARFNELLVEQGSSRAAFDAEARTASEKDVKRQLLLDALADELQVQVGQDDLTERLVTTSRQYGIEPQQLFGYLQERNQLPTMFADVRRELAIRAAVEAATVTDSDGNTIDTSEFFGKRVSAGEAEEAEPADEGAARAASDEATT
Bibliography
- Jungblut PR, Schaible UE, Mollenkopf HJ, Zimny-Arndt U, Raupach B, Mattow J, Halada P, Lamer S, Hagens K and Kaufmann SH [1999]. Comparative proteome analysis of Mycobacterium tuberculosis and Mycobacterium bovis BCG strains: towards functional genomics of microbial pathogens. Proteomics
- Rosenkrands I et al. [2000]. Towards the proteome of Mycobacterium tuberculosis. Proteomics
- Rosenkrands I, Weldingh K, Jacobsen S, Hansen CV, Florio W, Gianetri I and Andersen P [2000]. Mapping and identification of Mycobacterium tuberculosis proteins by two-dimensional gel electrophoresis, microsequencing and immunodetection. Proteomics
- Betts JC et al. [2002]. Evaluation of a nutrient starvation model of Mycobacterium tuberculosis persistence by gene and protein expression profiling. Transcriptome
- Lamichhane G et al. [2003]. A postgenomic method for predicting essential genes at subsaturation levels of mutagenesis: application to Mycobacterium tuberculosis. Mutant
- Sassetti CM et al. [2003]. Genes required for mycobacterial growth defined by high density mutagenesis. Mutant
- Mattow J, Schaible UE, Schmidt F, Hagens K, Siejak F, Brestrich G, Haeselbarth G, Muller EC, Jungblut PR and Kaufmann SH [2003]. Comparative proteome analysis of culture supernatant proteins from virulent Mycobacterium tuberculosis H37Rv and attenuated M. bovis BCG Copenhagen. Proteomics
- Gu S et al. [2003]. Comprehensive proteomic profiling of the membrane constituents of a Mycobacterium tuberculosis strain. Proteomics
- Mawuenyega KG et al. [2005]. Mycobacterium tuberculosis functional network analysis by global subcellular protein profiling. Proteomics
- Målen H et al. [2010]. Definition of novel cell envelope associated proteins in Triton X-114 extracts of Mycobacterium tuberculosis H37Rv. Proteomics
- Griffin JE et al. [2011]. High-resolution phenotypic profiling defines genes essential for mycobacterial growth and cholesterol catabolism. Mutant
- de Souza GA et al. [2011]. Bacterial proteins with cleaved or uncleaved signal peptides of the general secretory pathway. Proteomics
- DeJesus MA et al. [2017]. Comprehensive Essentiality Analysis of the Mycobacterium tuberculosis Genome via Saturating Transposon Mutagenesis. Mutant
- Minato Y et al. [2019]. Genomewide Assessment of Mycobacterium tuberculosis Conditionally Essential Metabolic Pathways. Mutant
