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

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Strain W4977

• CGSC#: 5770
• Strain Designation

  Designation	Source	Preference
  W4977	Lederberg J.	1

  
  
• Sex(Hfr,F+,F-,or F'): F-
• 7 Mutations:

  Mutation	Location	Certainty	Display
  pro-3(del)	5.92	1	Δpro-3
  lac-85(del)	7.80	1	Δlac-85
  tsx-76	9.28	1	tsx-76
  rpsL230(strR)	74.84	1	rpsL230(strR)
  malT1(LamR)	76.54	1	malT1(λR)
  xylA5	80.34	1	xylA5
  mtl-1	81.26	1	mtl-1

  
  
• Comments:
  • lac-85 is a deletion, DE85, of the entire lac operon.
• References:
  • Ganesan, A.K., B. Rotman 1965. Transport systems for galactose and galactosides in Escherichia coli. I. Genetic determination and regulation of the methyl-galactoside permease. J.Mol.Biol. 16:42-50
  
  

  Printable Strain Report