GenePage for the arfB gene of Escherichia coli K-12

Primary Gene Name: arfB
EcoGene Accession Number: EG12354
K-12 Gene Accession Number: ECK0191
MG1655 Gene Identifier: b0191
Gene Name Mnemonic: Alternative ribosome-rescue factor
Alternate Gene Symbols: yaeJ
Description: Alternative stalled-ribosome rescue factor B; peptidyl-tRNA hydrolase, ribosome-attached
  # bp Upstream # bp Downstream
MW: 15623.07 ---------140 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 214833
Left Intergenic Region

Name: yaeQ_arfB

Length: 4 bp overlap

Orientation: Codirectional+

Left_end: 214833

Right_end: 214836

Centisome: 4.63

Genomic Address
Clockwise
Minute or Centisome (%) = 4.63
Right End: 215255
Right Intergenic Region

Name: arfB_nlpE

Length: 13 bp gap

Orientation: Codirectional+

Left_end: 215256

Right_end: 215268

Centisome: 4.64

arfB(yaeJ) is a multicopy suppressor of the synthetic lethality of ssrA and arfA; arfA mediates ssrA-independent ribosome rescue of non-stop and rare codon stalled ribosomes (Chadani, 2011a). ArfB(YaeJ) contains a pfam PF00472 RF-1 peptide chain release factor-related domain.

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BamHI EcoRI HindIII