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Standard Name


Gene Synonym(s)

dhaH, ECK1186, b1198, JW5185, ycgC, ptsD[1][2], ptsD

Product Desc.

dihydroxyacetone kinase subunit M[2][3];

Component of dihydroxyacetone kinase[3]

Multidomain dihydroxyacetone-specific PTS protein; phosphoryl donor for dihydroxyacetone kinase; DhaK(2):DhaL:DhaM(2) complex[4]

Product Synonyms(s)

fused predicted dihydroxyacetone-specific PTS enzymes: HPr component[1], EI component[1], DhaM[2][1], B1198[2][1], DhaH[2][1], YcgC[2][1], PtsD[2][1] , dhaH, ECK1186, JW5185, ptsD, ycgC, b1198

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): dhaKLM[2]

Quick Links

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DhaM is phosphorylated by PTS proteins HPr and Protein I. DhaM contains homology to Hpr and part of Enzyme I. DhaM lacks a homologous PEP binding site and catalytic region of HPr. The N-terminal dimerization domain is homologous to an EIIa domain and is the phosphate donor region. H431 accepts phosphate from Hpr and relays it to H10 and H170.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 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 2.7 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.