GenePage for the elfA gene of Escherichia coli K-12

Primary Gene Name: elfA
EcoGene Accession Number: EG13709
K-12 Gene Accession Number: ECK0929
MG1655 Gene Identifier: b0938
Gene Name Mnemonic: E. coli laminin-binding fimbriae
Alternate Gene Symbols: ycbQ
Description: Laminin-binding fimbrin subunit, FimA homolog
  # bp Upstream # bp Downstream
MW: 18679.88 ---------179 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 997868
Left Intergenic Region

Name: ssuE_elfA

Length: 355 bp gap

Orientation: Divergent

Left_end: 997513

Right_end: 997867

Centisome: 21.49

Genomic Address
Clockwise
Minute or Centisome (%) = 21.50
Right End: 998407
Right Intergenic Region

Name: elfA_elfD

Length: 82 bp gap

Orientation: Codirectional+

Left_end: 998408

Right_end: 998489

Centisome: 21.51

ElfA(YcbQ) has been characterized as a laminin-binding fimbrin subunit in E. coli O157:H7 strain EDL933; the ycbQRST operon has been renamed as the elfADCG operon (Samadder, 2009). In E. coli K-12 the elfADCG operon has three additional fimbrae-related genes, so the K-12 operon is predicted to have seven genes, elfADCG-ycbUVF, with two pilin genes (ycbUV) and a pilus chaperon gene (ycbF) at the end of the operon. ElfA is one of 25 FimA homologs in E. coli K-12. The first 21 aa of ElfA are predicted to be a type I signal peptide.

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BamHI EcoRI HindIII