E. coli Genetic Resources at Yale
CGSC, The Coli Genetic Stock Center

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Mutation tsx-467(Am)

• Name: tsx-467(Am)
• Type: Base Pair Substitution
• Mutation of Gene: tsx
• Approx. Map Location: 0.00
• Properties

  Property	Symbol
  amber(UAG) mutation	Am

  
  
• Comments
  • Change in codon 258 from Trp to the stop codon UAG
• References
  • Studier, FW, P Daegelen, RE Lenski, S Maslov, JF Kim 2009. Understanding the differences between genome sequences of Escherichia coli B strains REL606 and BL21(DE3) and comparison of the E. coli B and K-12 genomes. J. Mol. Biol. 394(4):653-80.
• 2 Strains Carrying This Mutation

  Name	Mutations	Genotype
  REL1206	6	F-, tsx-467(Am), araA230, lon-, rpsL227(strR), hsdR-, [mal+]K-12(λS)
  REL606	6	F-, tsx-467(Am), araA230, lon-, rpsL227(strR), hsdR-, [mal+]K-12(λS)