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Gene ygiS from Escherichia coli str. K-12 substr. MG1655: predicted transporter subunit: periplasmic-binding component of ABC superfamily
Member of NCBI Protein Clusters PRK09755(See COMBREX Page ) (See NCBI page)
NCBI Entrez GeneID 947140
UniProtKB accession
RefSeq Protein accession NP_417492.1 (PROVISIONAL)
Gene Symbol(s)
  • symbol: ygiS
  • locus tag: b3020
  • aliases: ECK3011, JW2988
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: G7570
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Source Predicted function(s)
NCBI Protein Cluster Prediction putative binding protein
Source References Functional description
GSDB Under Review putative binding protein ygiS (source organism: Escherichia coli K12; strain specific ID: NCBI_TaxID=83333)
Functional Status greenGreen (experimental evidence, uncurated)
GO terms
  • BP: GO:0006810 : transport : IEA
  • MF: GO:0005215 : transporter activity : IEA
  • CC: GO:0042597 : periplasmic space : IEA
Domain Structure from CDD
  • PBP2_OppA: The substrate-binding component of an ABC-type oligopetide import system contains the type 2 periplasmic binding fold. T.... (More)
  • OppA: ABC-type oligopeptide transport system, periplasmic component [Amino acid transport and metabolism]

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 ]
c3761 , ECH74115_4331 , EcHS_A3198 , EcolC_0677 , ECP_3109 , ECs3904 , EcSMS35_3311 , SDY_3217 , UTI89_C3447 , ygiS (8) , Z4374