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References Suggestions


Standard Name


Gene Synonym(s)

ECK0831, b0841, JW5112, bcrCEC[1][2], bcrC

Product Desc.

undecaprenyl pyrophosphate phosphatase[2][3]

Undecaprenyl pyrophosphate phosphatase YbjG(UppP), minor[4]

Product Synonyms(s)

undecaprenyl pyrophosphate phosphatase[1], YbjG[2][1], B0841[2][1], BcrCEC[2][1] , bcrC, ECK0831, JW5112, b0841

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): ybjG[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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The ybjG gene is not essential, but UppP activity is essential to synthesize undecaprenyl phosphate, a C55 lipid carrier for cell wall synthesis, so a ybjG pgpB bacA triple mutant is lethal; overexpression, but not wildtype levels, of the LpxT(YeiU) UppP activity rescues the triple mutant (El Ghachi, 2005). Like PgpB, YbjG may have a preferred substrate other than undecaprenyl pyrophosphate in vivo. ybjG, pgpB, and lpxT are paralogs. Mg(2+) stimulon-PhoPQ regulon, EvgAS-PhoPQ cascade enhanced-expression subset. ybjG and bacA are not involved in lipid A modification (Touze, 2008).[4]


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  1. 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.