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Gene ybaO from Escherichia coli str. K-12 substr. MG1655: predicted DNA-binding transcriptional regulator
Member of NCBI Protein Clusters CLSK879671(See COMBREX Page ) (See NCBI page)
NCBI Entrez GeneID 945091
UniProtKB accession
RefSeq Protein accession NP_414981.4 (PROVISIONAL)
Gene Symbol(s)
  • symbol: ybaO
  • locus tag: b0447
  • aliases: ECK0441, JW0437, grp?
Organism Escherichia coli str. K-12 substr. MG1655 (NCBI TaxID: 511145)
Other Cross References:
  • S
    Structure(s) available in PDB:
  • C
    Gene cloned by a participant in the Protein Structure Initiative (PSI): TargetDB. (To obtain a clone, please contact the PSI:Biology-Materials Repository.)
  • U
    Protein purified by a participant in the Protein Structure Initiative (PSI): TargetDB. (If you are interested in collaborating to obtain the protein, please contact the Northeast Structural Genomics consortium).
  • Protein described in EcoCyc: G6247
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Source Predicted function(s)
NCBI Protein Cluster Prediction Lrp/AsnC family transcriptional regulator
Source References Functional description
GSDB Under Review uncharacterized HTH-type transcriptional regulator ybaO (source organism: Escherichia coli K12; strain specific ID: NCBI_TaxID=83333)
Functional Status greenGreen (experimental evidence, uncurated)
GO terms
  • MF: GO:0016564 : transcription repressor activity : ISS
  • CC: GO:0005622 : intracellular : IEA
  • MF: GO:0016563 : transcription activator activity : ISS
  • BP: GO:0006355 : regulation of transcription, DNA-dependent : IEA
  • BP: GO:0045449 : regulation of transcription : IEA
  • MF: GO:0043565 : sequence-specific DNA binding : IEA
  • BP: GO:0006350 : transcription : IEA
  • MF: GO:0003677 : DNA binding : IEA
  • MF: GO:0003700 : transcription factor activity : IEA
  • BP: GO:0006350 : transcription : ISS
Domain Structure from CDD
  • WHTH_GntR: Winged helix-turn-helix (WHTH) DNA-binding domain of the GntR family of transcriptional regulators. transcriptional regulator Hpr; Provisional
  • Lrp: Transcriptional regulators [Transcription]

See domain structure on NCBI Conserved Domain Database
Domain structure from Pfam
See domain structure on Pfam Database
Based on the function of this gene, COMBREX predictions were made to the following related genes (mouse over gene symbol for details) [Download ]
EcE24377A_0483 , ECH74115_0535 , EcHS_A0524 , EcolC_3168 , ECP_0508 , ECs0501 , ECSE_0473 , EcSMS35_0490 , SbBS512_E0370 , ybaO (14)