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References Suggestions


Standard Name


Gene Synonym(s)

ECK3566, b3577, JW3549[1], JW3549

Product Desc.

predicted transporter[2][3];

Component of YiaMNO Binding Protein-dependent Secondary (TRAP) Transporter[2][3]

L-dehydroascorbate transporter, TRAP permease small subunit; TRAP (TRipartite ATP-independent Periplasmic) family transporter YiaMNO[4]

Product Synonyms(s)

predicted transporter[1], B3577[2][1], YiaM[2][1] , ECK3566, JW3549, b3577

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): yiaKLMNO-lyxK-sgbHUE[2], yiaKLMNOPQRS

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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L-dehydroascorbate is also called 2,3-diketo-L-gulonate (2,3 DKG). Reported L-xylulose transport role (Plantinga, 2004) is inconsistent with lack of L-xylulose binding to YiaO (Thomas, 2006). Probable false positive lipoprotein prediction, Cys not conserved, four inner membrane TMs predicted. A yiaMNO deletion is reported to have alterations in the transition from exponential growth to the stationary phase, high-salt survival and biofilm formation (Plantinga, 2005).[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 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 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.