mtrB
168
tryptophan operon RNA-binding attenuation protein (TRAP), controls RNA switch in front of genes involved in biosynthesis and acquisition of tryptophan
locus
BSU_22770
Molecular weight
8.19 kDa
pI
7.33
function
regulation of tryptophan biosynthesis(and translation) attenuation in the trp operon;repression of the folate operon
product
tryptophan operon RNA-binding attenuation protein (TRAP)
essential
no
synonyms
mtrB
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms
This gene is a member of the following regulons
Gene
Coordinates
2,384,534 → 2,384,761
The protein
Protein family
MtrB family (single member, according to UniProt)
Structure
[PDB|3AQD], [PDB|1WAP] (complex with L-tryptophan), [PDB|2ZP9] (complex with [protein|354C71C2F6AFE620866D90595E6AC6CEFA5705C3|rtpA])
[AF|P19466]
Effectors of protein activity
binding of tryptophan results RNA binding and thus in transcription termination
Expression and Regulation
Operons
genes
[gene|7732A37D59E2643F232F2C0AFE51BCF7A79EDE29|folE]-[gene|E030E80134E9DED6ADBC73C7C7435024CDFD38B9|mtrB]
description
[Pubmed|2123343]
regulation
constitutive [Pubmed|19767425]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|2123343], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
Biological materials
Mutant
BKE22770 (Δ[gene|E030E80134E9DED6ADBC73C7C7435024CDFD38B9|mtrB]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE22770 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTATAGCACCCTCTATC, downstream forward: _UP4_TAAGCTGGCTGTCCCCGCTG
BKK22770 (Δ[gene|E030E80134E9DED6ADBC73C7C7435024CDFD38B9|mtrB]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK22770 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTATAGCACCCTCTATC, downstream forward: _UP4_TAAGCTGGCTGTCCCCGCTG
References
Reviews
Original Publications
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Time of last update: 2024-11-21 12:48:54
Author of last update: Jstuelk