GenePage for the betI gene of Escherichia coli K-12

Primary Gene Name: betI
EcoGene Accession Number: EG10111
K-12 Gene Accession Number: ECK0311
MG1655 Gene Identifier: b0313
Gene Name Mnemonic: Betaine
Alternate Gene Symbols: None
Description: Transcriptional repressor for the betIBA-betT divergent operon, choline-inducible
  # bp Upstream # bp Downstream
MW: 21815.01 ---------195 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 328747
Left Intergenic Region

Name: betB_betI

Length: 13 bp gap

Orientation: Codirectional-

Left_end: 328734

Right_end: 328746

Centisome: 7.08

Genomic Address
Counterclockwise
Minute or Centisome (%) = 7.08
Right End: 329334
Right Intergenic Region

Name: betI_betT

Length: 128 bp gap

Orientation: Divergent

Left_end: 329335

Right_end: 329462

Centisome: 7.10

The bet genes confer protection against osmotic stress by making the osmoprotectant glycine betaine from choline. TetR family. ArcA regulon. BetI is bound to its operator in both repressed and induced cells. The bet genes are induced by choline, oxygen, and osmotic stress.

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BamHI EcoRI HindIII