ilvH

ilvH
168

acetolactate synthase (small subunit)

locus
BSU_28300
Molecular weight
19.31 kDa
pI
10.3
Protein length
Gene length
function
biosynthesis of branched-chain amino acids
product
acetolactate synthase (small subunit)
essential
no
ec
2.2.1.6
synonyms
ilvH, ilvN

Genomic Context

Categories containing this gene/protein

List of homologs in different organisms, belongs to COG0440 (Galperin et al., 2021)

This gene is a member of the following regulons

Gene
Coordinates
2,894,733  2,895,251
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The protein
Catalyzed reaction/ biological activity
H+ + 2 pyruvate --> (2S)-2-acetolactate + CO2 (according to UniProt)
Protein family
acetolactate synthase small subunit family (single member, according to UniProt)
[wiki|Domains]
[wiki|ACT domain] (aa 4-79) (according to UniProt)
Structure
[PDB|2F1F] (regulatory subunit from ''Escherichia coli'', 37% identity, 62% similarity) [Pubmed|16458324]
[AF|P37252]
Effectors of protein activity
subject to feedback inhibition by valine [pubmed|29981237]
Expression and Regulation
Operons
genes
[gene|E6EDDB6D1EDA85D73A0B78A656511D38346A625B|ilvB]-[gene|49E2D2EE480C2FFDED0C35E3AF0DBED5AD819B5F|ilvH]-[gene|EC1CB2FD563EFDA391D13EB8ADFDC8C9734E9D57|ilvC]-[gene|1502AED337F59DFFCEAFF68FE111C5AA6155701B|leuA]-[gene|105E3452D7F142A7D7616E35AF3FB753C9B63E38|leuB]-[gene|AC459429A9C50463FD947C1CF9EA919B6FE3B335|leuC]-[gene|0EB4C6EE398B14B9284FFAEDBC26C866CE2070D7|leuD]
description
[Pubmed|1577690]
regulation
expression is stimulated in the presence of glucose ([protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA]) [PubMed|12193635]
regulatory mechanism
T-box: RNA switch, via tRNA controlled [wiki|RNA switch], repression by BCAA, in [regulon|other_regulator:T-box|T-box]
[protein|857EF1AC54DEA0690C01B7F8CEFFD16312C58F20|tnrA]: repression, [Pubmed|15547269], in [regulon|protein:857EF1AC54DEA0690C01B7F8CEFFD16312C58F20|tnrA regulon]
[protein|90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY]: repression, [pubmed|12618455] [pubmed|18083814], in [regulon|protein:90ACE0DECA58D3C1A55E135120F7A0C1C920571C|codY regulon]
[protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA]: activation, [Pubmed|12193635], in [regulon|protein:E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|ccpA regulon]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA]: sigma factor, [Pubmed|1577690], in [regulon|protein:360F48D576DE950DF79C1A2677B7A35A8D8CC30C|sigA regulon]
additional information
An [wiki|ncRNA|antisense RNA] is predicted for [gene|1502AED337F59DFFCEAFF68FE111C5AA6155701B|leuA] [PubMed|20525796]
the [wiki|T-box] RNA is degraded by [protein|872CCB5A49C9000BD95E4B0472556D5F60F7D7A4|RNase Y] [pubmed|29794222]
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[gene|E6EDDB6D1EDA85D73A0B78A656511D38346A625B|ilvB]→[gene|0EB4C6EE398B14B9284FFAEDBC26C866CE2070D7|leuD]

2024-03-15 22:45:02

Jstuelk

77

905a0fc4b9e1945f65cf0820ea8bda45e4ac716c

931C13BE07545B8037A118810CF4C8E29210A7CE

Biological materials
Mutant
BKE28300 ([gene|49E2D2EE480C2FFDED0C35E3AF0DBED5AD819B5F|ilvH]::erm  trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKE28300 BGSC],  [Pubmed|28189581], upstream reverse: _UP1_CACAGTCAATGTGATAATTC,  downstream forward: _UP4_TAAAACATAACAAGGGAGAG
BKK28300 ([gene|49E2D2EE480C2FFDED0C35E3AF0DBED5AD819B5F|ilvH]::kan  trpC2) available at [http://bgsc.org/getdetail.php?bgscid=BKK28300 BGSC],  [Pubmed|28189581], upstream reverse: _UP1_CACAGTCAATGTGATAATTC,  downstream forward: _UP4_TAAAACATAACAAGGGAGAG
References
15060025,12193635,19258532,8289305,18641142,15547269,12618455,12107147,20935095,25157083,24163341,25755103,26220295,29981237

49E2D2EE480C2FFDED0C35E3AF0DBED5AD819B5F

Page visits: 4394

Time of last update: 2024-03-28 09:37:02

Author of last update: Melvin.boenninger