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

Strain PB21-4A

• CGSC#: 3674
• Strain Designation

  Designation	Source	Preference
  PB21-4A	Bergquist P.	1
  PB118		2

  
  
• Sex(Hfr,F+,F-,or F'): F-
• 0 Mutations:
• Comments:
• References:
  
  

  To request this strain visit the ECGRC website.

  
  

  Printable Strain Report