GenePage for the arnB gene of Escherichia coli K-12

Primary Gene Name: arnB
EcoGene Accession Number: EG14089
K-12 Gene Accession Number: ECK2246
MG1655 Gene Identifier: b2253
Gene Name Mnemonic: ara4N (4-amino-4-deoxy-L-arabinose)
Alternate Gene Symbols: pgbP1(S.t.); pmrH(S.t.); yfbE
Description: UDP-4-amino-4-deoxy-L-arabinose synthase; UDP-4"-ketopentose aminotransferase; L-glutamate is the amine donor
  # bp Upstream # bp Downstream
MW: 41649.85 ---------379 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 2365928
Left Intergenic Region

Name: ais_arnB

Length: 307 bp gap

Orientation: Divergent

Left_end: 2365621

Right_end: 2365927

Centisome: 50.97

Genomic Address
Clockwise
Minute or Centisome (%) = 50.97
Right End: 2367067
Right Intergenic Region

Name: arnB_arnC

Length: 3 bp gap

Orientation: Codirectional+

Left_end: 2367068

Right_end: 2367070

Centisome: 51.00

ArnB is involved in a lipid A modification required for polymyxin B and cationic antimicrobial peptide resistance. The arnBCADTEF operon promoter region binds FNR and arnBCADTEF expression is repressed by FNR (Federowicz, 2014). basRS regulon. otherPDB (S. typhimurium): 1MDO, 1MDX, 1MDZ.

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BamHI EcoRI HindIII