murB

UDP-N-acetylenolpyruvoylglucosamine reductase

locus: BSU_15230

pI: 6.09

mw: 32.65 kDa

protein length: 303 aa

gene length: 912 bp

function: peptidoglycan precursor biosynthesis

product: UDP-N-acetylenolpyruvoylglucosamine reductase

essential: yes

ec: 1.1.1.158

synonyms: ylxC

Genomic Context

categories

• [category|SW 1|Cellular processes] → [category|SW 1.1|Cell envelope and cell division] → [category|SW 1.1.1|Cell wall synthesis] → [category|SW 1.1.1.1|Biosynthesis of peptidoglycan]
• [category|SW 2|Metabolism] → [category|SW 2.6|Additional metabolic pathways] → [category|SW 2.6.1|Biosynthesis of cell wall components] → [category|SW 2.6.1.1|Biosynthesis of peptidoglycan]
• [category|SW 4|Lifestyles] → [category|SW 4.2|Sporulation] → [category|SW 4.2.1|Sporulation proteins] → [category|SW 4.2.1.4|Sporulation proteins/ other]
• [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.2|Cell envelope stress proteins (controlled by SigM, V, W, X, Y)]
• [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]

Gene

Coordinates: 1,592,663 1,593,574

Phenotypes of a mutant

• essential [Pubmed|12682299]

The protein

Catalyzed reaction/ biological activity

• NADP+ + UDP-N-acetyl-α-D-muramate --> H⁺ + NADPH + UDP-N-acetyl-3-O-(1-carboxyvinyl)-α-D-glucosamine (according to UniProt)

Protein family

• MurB family (single member, according to UniProt)

[SW|Domains]

• [SW|FAD-binding PCMH-type domain] (aa 29-196) (according to UniProt)

[SW|Cofactors]

• FAD (according to UniProt)

Structure

• [PDB|2GQU] (from ''Thermus caldophilus'', 38% identity, 55% similarity) [Pubmed|17120230]

[SW|Localization]

• forms banded patterns along the length of the cell, this pattern formation depends on [protein|A4C8719E06F774A6EB4D79757CC79CF89E453A54|MreB] [Pubmed|20233306]

Expression and Regulation

Operons

• genes: [gene|D52FDB5015B10E9B26D7FED5708457890C6EA43D|murG]-[gene|5E11616A51EE2CD1B8D3E33B18483521C504AD1F|murB]-[gene|B66FC02948DABBCE64DE2629D6E33E05647B4EEF|divIB]-[gene|5CDB49209BDCA86E09D6287DFC16B278D9A71379|ylxW]-[gene|081EA0CBCDA7ECDE8D128DD091C132BB194D19EB|ylxX]-[gene|1C6CADD1808CA84CBC19D623DACF4D398EB43174|sbp]
  description: [Pubmed|18179421]

  sigma factors

  • [protein|081DF3EE9FA56209D648C7677188C61CE3AA8E41|SigM]: sigma factor, (promoter within [protein|D52FDB5015B10E9B26D7FED5708457890C6EA43D|MurG]) [Pubmed|18179421], in [regulon|081DF3EE9FA56209D648C7677188C61CE3AA8E41|SigM regulon]
  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|8106328], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]
  • [protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE]: sigma factor, [Pubmed|8320223], in [regulon|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE regulon]

  regulatory mechanism

  • [protein|90DCE4F286D2C151D8BDBF0E024E6BBEC94E2397|SpoIIID]: repression, [Pubmed|15383836], in [regulon|90DCE4F286D2C151D8BDBF0E024E6BBEC94E2397|SpoIIID regulon]

  regulation

  • expressed during vegatative growth, then switched off, and again expressed during sporulation in the mother cell ([protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE]) [Pubmed|1391053]

• genes: [gene|D48B7591467C493D2214D37AEA83643FE8C27BC6|murE]-[gene|4D3D4429E1F387BACB0D5A1084AA8DF179A16685|mraY]-[gene|0A9FF5A66F73464A780914A1424979CE753B3D9C|murD]-[gene|5DE602D97D903D9AE38ED05D5A5F1B3A2DC1D58E|spoVE]-[gene|D52FDB5015B10E9B26D7FED5708457890C6EA43D|murG]-[gene|5E11616A51EE2CD1B8D3E33B18483521C504AD1F|murB]-[gene|B66FC02948DABBCE64DE2629D6E33E05647B4EEF|divIB]-[gene|5CDB49209BDCA86E09D6287DFC16B278D9A71379|ylxW]-[gene|081EA0CBCDA7ECDE8D128DD091C132BB194D19EB|ylxX]-[gene|1C6CADD1808CA84CBC19D623DACF4D398EB43174|sbp]
  description: [Pubmed|1391053]

  sigma factors

  • [protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE]: sigma factor, [Pubmed|8320223], in [regulon|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE regulon]

  regulatory mechanism

  • [regulon|stringent response|stringent response]: negative regulation, in [regulon|stringent response|stringent response]
  • [protein|90DCE4F286D2C151D8BDBF0E024E6BBEC94E2397|SpoIIID]: repression, [Pubmed|15383836], in [regulon|90DCE4F286D2C151D8BDBF0E024E6BBEC94E2397|SpoIIID regulon]

  regulation

  • expressed during vegatative growth [Pubmed|1391053]

• genes: [gene|5DE602D97D903D9AE38ED05D5A5F1B3A2DC1D58E|spoVE]-[gene|D52FDB5015B10E9B26D7FED5708457890C6EA43D|murG]-[gene|5E11616A51EE2CD1B8D3E33B18483521C504AD1F|murB]-[gene|B66FC02948DABBCE64DE2629D6E33E05647B4EEF|divIB]-[gene|5CDB49209BDCA86E09D6287DFC16B278D9A71379|ylxW]-[gene|081EA0CBCDA7ECDE8D128DD091C132BB194D19EB|ylxX]-[gene|1C6CADD1808CA84CBC19D623DACF4D398EB43174|sbp]
  description: [Pubmed|1391053]

  regulation

  • expressed during vegatative growth, then switched off, and again expressed during sporulation in the mother cell ([protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE]) [Pubmed|1391053]

• genes: [gene|5E11616A51EE2CD1B8D3E33B18483521C504AD1F|murB]-[gene|B66FC02948DABBCE64DE2629D6E33E05647B4EEF|divIB]-[gene|5CDB49209BDCA86E09D6287DFC16B278D9A71379|ylxW]-[gene|081EA0CBCDA7ECDE8D128DD091C132BB194D19EB|ylxX]-[gene|1C6CADD1808CA84CBC19D623DACF4D398EB43174|sbp]
  description: [Pubmed|18179421]

  regulation

  • expressed during vegatative growth, then switched off, and again expressed during [SW|sporulation ]in the mother cell ([protein|3CB24D493B3282278B7DC61CE3C793DFA815F9E2|SigE]) [Pubmed|1391053]

labs

• [SW|Adriano Henriques], Lisbon, Portugal [http://www.itqb.unl.pt/research/biology/microbial-development homepage]

References

• 16484183,7590298,18063720,1391053,8320223,15383836,18179421,20233306