Gene Rv3341
in Mycobacterium tuberculosis H37Rv
General annotation
| Type | CDS |
| Function | Catalyzes acylation of L-homoserine. Involved in biosynthesis of methionine; HTA variant; first step [catalytic activity: acetyl-CoA + L-homoserine = CoA + O-acetyl-L-homoserine]. |
| Product | Probable homoserine O-acetyltransferase MetA (homoserine O-trans-acetylase) (homoserine transacetylase) (HTA) |
| Comments | Rv3341, (MTV016.41), len: 379 aa. Probable metA, homoserine o-acetyltransferase (see citation below), equivalent to O32874|METX_MYCLE|meta|ML0682|MLCB1779.11 homoserine O-acetyltransferase from Mycobacterium leprae (382 aa), FASTA scores: opt: 2263, E(): 9.2e-129, (85.0% identity in 380 aa overlap). Also highly similar to many e.g. O68640|METX_CORGL|meta from Corynebacterium glutamicum (Brevibacterium flavum) (379 aa), FASTA scores: opt: 1135, E(): 5.9e-61, (48.5% identity in 371 aa overlap); Q9AAS1|CC0525 from Caulobacter crescentus (382 aa), FASTA scores: opt: 860, E(): 2e-44, (40.5% identity in 363 aa overlap); P94891|METX_LEPME from Leptospira meyeri (379 aa), FASTA scores: opt: 787, E(): 4.9e-40, (38.2% identity in 385 aa overlap); etc. Belongs to the ab hydrolase family, HTA subfamily. |
| Functional category | Intermediary metabolism and respiration |
| Proteomics | Identified in the cell membrane fraction of M. tuberculosis H37Rv using 2DLC/MS (See Mawuenyega et al., 2005). |
| Transcriptomics | DNA microarrays detect expression in M. tuberculosis H37Rv in vivo (in BALB/c and SCID mice) but not in vitro (in 7H9 medium) (See Talaat et al., 2004). |
| Mutant | Non-essential gene for in vitro growth of H37Rv in a MtbYM rich medium, by Himar1 transposon mutagenesis (see Minato et al. 2019). Essential gene for in vitro growth of H37Rv, by analysis of saturated Himar1 transposon libraries (see DeJesus et al. 2017). Essential gene by Himar1 transposon mutagenesis in H37Rv strain (see Sassetti et al., 2003). Essential gene for in vitro growth of H37Rv, by Himar1 transposon mutagenesis (See Griffin et al., 2011). Check for mutants available at TARGET website |
Coordinates
| Type | Start | End | Orientation |
|---|---|---|---|
| CDS | 3727488 | 3728627 | + |
Genomic sequence
Feature type
Upstream flanking region (bp)
Downstream flanking region (bp)
Update
Protein sequence
>Mycobacterium tuberculosis H37Rv|Rv3341|metA
MTISDVPTQTLPAEGEIGLIDVGSLQLESGAVIDDVCIAVQRWGKLSPARDNVVVVLHALTGDSHITGPAGPGHPTPGWWDGVAGPGAPIDTTRWCAVATNVLGGCRGSTGPSSLARDGKPWGSRFPLISIRDQVQADVAALAALGITEVAAVVGGSMGGARALEWVVGYPDRVRAGLLLAVGARATADQIGTQTTQIAAIKADPDWQSGDYHETGRAPDAGLRLARRFAHLTYRGEIELDTRFANHNQGNEDPTAGGRYAVQSYLEHQGDKLLSRFDAGSYVILTEALNSHDVGRGRGGVSAALRACPVPVVVGGITSDRLYPLRLQQELADLLPGCAGLRVVESVYGHDGFLVETEAVGELIRQTLGLADREGACRR
Bibliography
- Mulder MA et al. [1997]. Mycobacterial promoters. Review Regulation
- Sassetti CM et al. [2003]. Genes required for mycobacterial growth defined by high density mutagenesis. Mutant
- Talaat AM et al. [2004]. The temporal expression profile of Mycobacterium tuberculosis infection in mice. Transcriptome
- Mawuenyega KG et al. [2005]. Mycobacterium tuberculosis functional network analysis by global subcellular protein profiling. Proteomics
- Griffin JE et al. [2011]. High-resolution phenotypic profiling defines genes essential for mycobacterial growth and cholesterol catabolism. Mutant
- 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
