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References Suggestions


Standard Name


Gene Synonym(s)

ECK0420, b0426, JW5058[1], JW5058

Product Desc.

nucleotide binding protein[2][3]

Activator of phage Phi6 L segment transcription; Phi6 host factor; binds tRNA, ATP and GTP; low abundance protein[4]

Product Synonyms(s)

predicted nucleotide binding protein[1], B0426[2][1], YajQ[2][1] , ECK0420, JW5058, b0426

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): yajQ[2]

Quick Links

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YajQ indirectly activates phage Phi6 L segment transcription indirectly by binding to the Phi6 core structural protein P1 (Qiao, 2008). The verified N-terminal sequence observed was PSAF, but the conceptual translation is (M)PSF, lacking the alanine residue, possibly explained by experimental error (Saveanu, 2002). NMR solution structure determined for E. coli YajQ (Saveanu, 2002). otherPDB (H. influenzae): 1IN0. Binds TrxA (Kumar, 2004).[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 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.