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proB [2019-09-06 11:19:56]
function
biosynthesis of proline
product
glutamate 5-kinase
Genomic Context
categories
[category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.2|Biosynthesis/ acquisition of proline]Gene
Coordinates
1,378,496 1,379,593
Phenotypes of a mutant
auxotrophic for proline [Pubmed|21784929]The protein
Catalyzed reaction/ biological activity
ATP + L-glutamate --> ADP + L-glutamyl 5-phosphate (according to UniProt)Protein family
glutamate 5-kinase family (with [protein|3F47513FB71276EF1E99B8C427DC8DC0786F8C19|ProJ], according to UniProt)Paralogous protein(s)
[protein|3F47513FB71276EF1E99B8C427DC8DC0786F8C19|ProJ] Effectors of protein activity
the enzymatic activity is feedback-inhibited by proline {PubMed|16958849}}Structure
[PDB|2J5V] (from E. coli, 40% identity) [pubmed|17321544][SW|Localization]
cytoplasm (according to Swiss-Prot)Expression and Regulation
Operons
genes
[gene|5592C5163CF024289B850916516E2C8C7AD43136|proB]-[gene|1629A875FCCA0C0EB1C959ED31BB6B3CFA839BF9|proA]
description
[Pubmed|21233158]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|21233158], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]regulatory mechanism
[regulon|T-box|T-box]: anti-termination, in [regulon|T-box|T-box][protein|F4097349A563503468A2A14F062AEAC532C7917A|YlxR]: regulation, [pubmed|30355672], in [regulon|F4097349A563503468A2A14F062AEAC532C7917A|YlxR regulon]regulation
induced by proline limitation ([SW|T-box]) [Pubmed|21233158]expression requires functional [protein|F4097349A563503468A2A14F062AEAC532C7917A|YlxR] [pubmed|30355672]additional information
[protein|1629A875FCCA0C0EB1C959ED31BB6B3CFA839BF9|ProA] is absent from the membrane proteome of a '[protein|A01637E1BFABA20A2923BA85A25CCD8A0D665F78|BdbC]-[protein|CED818CEF5B573A40F382157375E60C0B331F098|BdbD]' mutant [PubMed|22540663]the [SW|T-box] RNA is degraded by [protein|872CCB5A49C9000BD95E4B0472556D5F60F7D7A4|RNase Y] [pubmed|29794222]view in new tabBiological materials
Mutant
BKE13120 ([gene|5592C5163CF024289B850916516E2C8C7AD43136|proB]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE13120 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTATTCTCCTCCGCGGC, downstream forward: _UP4_GTAAAAGACTAGGAGGCGGABKK13120 ([gene|5592C5163CF024289B850916516E2C8C7AD43136|proB]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK13120 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTTATTCTCCTCCGCGGC, downstream forward: _UP4_GTAAAAGACTAGGAGGCGGAReferences
Reviews
Original publications
19258532,16958849,17562291,21233158,21784929,28752945,17321544,29794222,30355672