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References Suggestions


Standard Name


Gene Synonym(s)

ECK2552, b2555, JW2539, yfhG[1], JW2539, qseG

Product Desc.

conserved protein[2]; putative alpha-helix protein[3]

Function unknown, probable periplasmic or surface protein[4]

Product Synonyms(s)

conserved protein[1], B2555[2][1], YfhG[2][1] , ECK2552, JW2539, qseG, b2555

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s):

Quick Links

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First 25 aa are predicted to be a signal peptide. Verified Tat substrate: YfhG has a Tat/Sec (Class II) predicted 25 aa signal peptide (Tullman-Ercek, 2007). Although the YfhG signal peptide has been shown to be capable of mediating Tat-dependent and Tat-independent translocation in a fusion reporter system (Tullman-Ercek, 2007), the twin arginines are not conserved. A lipoprotein prediction based on a conserved Cys at the predicted cleavage site may need to be resolved experimentally.[4]


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  1. 1.0 1.1 1.2 1.3 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 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.