GenePage for the hokA gene of Escherichia coli K-12

Primary Gene Name: hokA
EcoGene Accession Number: EG12346
K-12 Gene Accession Number: ECK3544
MG1655 Gene Identifier: b4455
Gene Name Mnemonic: Host killing
Alternate Gene Symbols: yiaZ
Description: Small toxic membrane polypeptide; homologous to plasmid-encoded plasmid stabilization toxins regulated by antisense RNA; functional relevance of chromosomal homologs is unknown
  # bp Upstream # bp Downstream
MW: 5998.28 ---------50 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 3720448
Left Intergenic Region

Name: cspA_hokA

Length: 186 bp gap

Orientation: Convergent

Left_end: 3720262

Right_end: 3720447

Centisome: 80.15

Genomic Address
Counterclockwise
Minute or Centisome (%) = 80.15
Right End: 3720600
Right Intergenic Region

Name: hokA_mokA

Length: 153 bp overlap

Orientation: Codirectional-

Left_end: 3720448

Right_end: 3720600

Centisome: 80.15

The hokA(yiaZ) gene was identified as a probable foreign toxin gene (Borodovsky, 1994). The hokA transcript is interrupted by IS150, interrupting and deleting part of the mokA and sokA regulatory genes.

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BamHI EcoRI HindIII