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

About the CGSC

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Strain W4321(Hfr₄)

• CGSC#: 1303
• Strain Designation

  Designation	Source	Preference
  W4321(Hfr4)	Lederberg J.	1
  AB1303	Adelberg E.A.	2

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 17
• PO Map Position: 65.16
• Direction of Marker Transfer: Clockwise
• 1 Mutations:

  Mutation	Location	Certainty	Display
  his-6	1000.00	1	his-6

  
  
• Comments:
  • In Lyophil Only
• References:
  
  

  To request this strain visit the ECGRC website.

  
  

  Printable Strain Report