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References Suggestions


Standard Name


Gene Synonym(s)

ycdR, ECK1013, b1023, JW5142, hmsF[1][2]

Product Desc.

predicted enzyme associated with biofilm formation[2][3]

Biofilm adhesin polysaccharide PGA export; lipoprotein; polysaccharide deacetylase activity needed for export[4]

Product Synonyms(s)

predicted enzyme associated with biofilm formation[1], B1023[2][1], YcdR[2][1], HmsF[2][1], PgaB[2][1] , ECK1013, JW5142, ycdR, b1023

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): pgaABCD[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

dnadisplay.png proteindisplay.png   pubmed.jpg   textpresso.jpg  

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PGA is a biofilm adhesin polysaccharide. PgaB is homologous to Y. pestis hemin storage protein HmsF, but is unable to complement hmsF mutations. First 20 aa are a type II signal peptide. Codon usage indicates pgaB is an alien (horizontal) gene. CsrA regulon. yadE paralog. PGA is oly-beta-1,6-N-acetyl-D-glucosamine.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 1.5 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 2.6 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.