GenePage for the asnB gene of Escherichia coli K-12

Primary Gene Name: asnB
EcoGene Accession Number: EG10092
K-12 Gene Accession Number: ECK0662
MG1655 Gene Identifier: b0674
Gene Name Mnemonic: Asparagine
Alternate Gene Symbols: None
Description: Asparagine synthase B [glutamine-hydrolyzing]
  # bp Upstream # bp Downstream
Verified Start MW: 62659.01 ---------554 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 697513
Left Intergenic Region

Name: metT_asnB

Length: 379 bp gap

Orientation: Codirectional-

Left_end: 697134

Right_end: 697512

Centisome: 15.02

Genomic Address
Counterclockwise
Minute or Centisome (%) = 15.03
Right End: 699177
Right Intergenic Region

Name: asnB_umpH

Length: 396 bp gap

Orientation: Codirectional-

Left_end: 699178

Right_end: 699573

Centisome: 15.06

AsnA and AsnB are redundant; an asparagine auxotrophy requires that both the asnA and the asnB genes be mutated. Although ammonia can be utilized by AsnB, glutamine is the preferred substrate.

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BamHI EcoRI HindIII