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

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Strain EW1b

• CGSC#: 5634
• Strain Designation

  Designation	Source	Preference
  EW1b	Whitney E.	1

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

  Mutation	Location	Certainty	Display
  lacY1 or lacZ4	8.00	1	lacY1 or lacZ4
  tsx-64	9.28	1	tsx-64
  glnV44(AS)	14.99	0	glnV44(AS)
  gal-6	16.96	1	gal-6
  LAM-	17.40	1	λ-
  hisG1(Fs)	45.01	1	hisG1(Fs)
  tolC5(del)	68.46	1	ΔtolC5
  argG6	71.48	1	argG6
  rpsL8 or rpsL104 or rpsL17	73.00	1	rpsL8 or rpsL104 or rpsL17
  malT1(LamR)	76.54	1	malT1(λR)

  
  
• Comments:
• References:
  • Whitney, EN 1971. The tolC locus in Escherichia coli K12. Genetics 67(1):39-53.
  
  

  Printable Strain Report