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

About the CGSC

• CGSC Home
• Scope of the Collection

Searching the CGSC Database

• Help With Query Forms
• Strain Query
• Mutation Query
• Gene/Site Query
• Gene Product Query
• Reference Query
• Query Help
• Info on Genetic Nomenclature

How to Request Strains or Information

• Reviving Strains
• Contact Information

Site brnR

• Name: brnR
• Type: Gene
• Mnemonic: Branched chain
• Left End Point: 8.48
• Right End Point: 8.50
• Direction: <
• Priority: 1
  2 Alleles of This Gene

  brnR3

  brnR6

  
  
• External Database Links:

  Host Site	Page Links
  EcoliWiki	brnR

  
  
• Comment:
  • Selectable Pheno. Valine resistance (still glycylvaline sensitive). Component of transport system 1 and 2 for Ile,Val,Leu.
• References:
  • Guardiola, J., M. DeFelice, T. Klopotowski, M. Iaccarino 1974. Mutations affecting the different transport systems for isoleucine, leucine, and valine in Escherichia coli K-12. J.Bacteriol. 117:393-405