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References Suggestions

Standard Name


Gene Synonym(s)

ECK4027, b4035, JW3995, malB[1]

Product Desc.


Component of maltose ABC transporter[2][3]; Maltose/Maltodextrin Transport System[3]

Maltose transport complex, ATP-binding subunit[4]

Product Synonyms(s)

fused maltose transport subunit, ATP-binding component of ABC superfamily[1], regulatory protein[1], B4035[2][1], MalB[2][1], MalK[2][1] , ECK4027, JW3995, b4035

Function from GO
Knock-Out Phenotype

transcription unit(s): malK-lamB-malM[2], OP00165

Quick Links

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The inactive, ATP-bound form of MalK directly antagonizes the mal regulon activator MalT. The maltose transport complex MalFGK(2) also transports maltodextrin. Overexpression causes filamentous biofilm formation. MalT regulon.[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 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 3.2 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.