sigB
168
[wiki|RNA polymerase] [wiki|sigma factor] [protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]
locus
BSU_04730
Molecular weight
29.99 kDa
pI
5.42
function
general stress response, biocontrol of fungal growth
product
[wiki|RNA polymerase] [wiki|sigma factor] [protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]
essential
no
synonyms
sigB, rpoF
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG5812 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
522,862 523,650
The protein
Protein family
[wiki|Sigma-70 factor family] (according to UniProt)
Structure
[PDB|1L0O] ([protein|CFF318EE6CACDEE763FBF96A2ABB46E944679AAA|sigF]-[protein|search|SpoIIAB ]complex from Geobacillus stearothermophilus, 32% identity) [pubmed|11955433]
[AF|P06574]
Effectors of protein activity
[protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB] is activated during bacterial-fungal interaction (via [protein|9284E58A2D5394A31658E70879874A1338CF531B|rsbP]) [pubmed|30824454]
Expression and Regulation
Operons
genes
[gene|621357D1FB6AC1B0499732EFE226F982B26CE34E|rsbR]-[gene|841CE7FCA4E84445830CA18F9856F6F30014E3BB|rsbS]-[gene|ADC52A22950736A0435AEEEC43F7407878786A81|rsbT]-[gene|0B8381D2C724DAA724E4AFC67000F12AD112D13D|rsbU]-[gene|AC64DA463250A090A62E50901EFE653C8F963872|rsbV]-[gene|5AF5F199C5D92E13DE1C56E28948A557E3954CBF|rsbW]-[gene|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]-[gene|8536803BDFB58D43C52961931F609933E49E989D|rsbX]
description
[Pubmed|8002610]
regulation
''[protein|search|rsbV]:'' induced by stress ([protein|search|SigB]) [Pubmed|11544224]
regulatory mechanism
[protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA]: repression, [Pubmed|20454630], in [regulon|protein:E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|8002610], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
[protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]: sigma factor, [Pubmed|11544224], in [regulon|protein:580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB regulon]
genes
[gene|AC64DA463250A090A62E50901EFE653C8F963872|rsbV]-[gene|5AF5F199C5D92E13DE1C56E28948A557E3954CBF|rsbW]-[gene|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]-[gene|8536803BDFB58D43C52961931F609933E49E989D|rsbX]
description
[Pubmed|2170324]
regulation
''[protein|search|rsbV]:'' induced by stress ([protein|search|SigB]) [Pubmed|11544224]
Biological materials
Mutant
QB5344 (cat), available in [wiki|Jörg Stülke]'s lab
1A675 ( ''sigB''::''cat''), [Pubmed|3027048], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A675&Search=1A675 BGSC]
1A777 ( ''sigB''::''cat''), [Pubmed|1744042], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A777&Search=1A777 BGSC]
1A780 ( ''sigB''::''spec''), [Pubmed|8253681], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A780&Search=1A780 BGSC]
BKE04730 ([gene|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]::erm trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE04730 BGSC], [Pubmed|28189581], upstream reverse: _UP1_GCTTATGAGCCGATCGACTT, downstream forward: _UP4_GATCCCTCGATGGAGTTAAT
BKK04730 ([gene|580011DE5DC40EC9E7E0512791D328FAA010DCB8|sigB]::kan trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK04730 BGSC], [Pubmed|28189581], upstream reverse: _UP1_GCTTATGAGCCGATCGACTT, downstream forward: _UP4_GATCCCTCGATGGAGTTAAT
labs
[wiki|Bill Haldenwang], San Antonio, USA
[wiki|Chet Price], Davis, USA [http://foodscience.ucdavis.edu/price_lab/pricelab.html homepage]
References
Reviews
Other publications
Identification of the SigB regulon
Control of SigB activity by protein-protein interactions
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Time of last update: 2024-12-19 00:35:22
Author of last update: Jstuelk