GenePage for the asr gene of Escherichia coli K-12

Primary Gene Name: asr
EcoGene Accession Number: EG12149
K-12 Gene Accession Number: ECK1592
MG1655 Gene Identifier: b1597
Gene Name Mnemonic: Acid shock RNA
Alternate Gene Symbols: None
Description: Acid shock-inducible periplasmic protein required for acid tolerance; expression controlled by phoBR
  # bp Upstream # bp Downstream
Verified Start MW: 10591.26 ---------102 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 1671376
Left Intergenic Region

Name: ynfM_asr

Length: 423 bp gap

Orientation: Codirectional+

Left_end: 1670953

Right_end: 1671375

Centisome: 36.00

Genomic Address
Clockwise
Minute or Centisome (%) = 36.01
Right End: 1671684
Right Intergenic Region

Name: asr_ydgU

Length: 92 bp gap

Orientation: Codirectional+

Left_end: 1671685

Right_end: 1671776

Centisome: 36.01

Asr has a verified 21 aa type I signal peptide and is located in the periplasm; an additional 37 aa are processed off the N-terminus by an unknown protease, not DegP, to activate Asr as a mature 44 aa periplasmic protein; the asr translation start codon was confirmed by site-directed mutagenesis (Seputiene, 2003).

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BamHI EcoRI HindIII