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

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Strain JA221

• CGSC#: 7091
• Strain Designation

  Designation	Source	Preference
  JA221	Carbon J.	1

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

  Mutation	Location	Certainty	Display
  araC14	1.52	1	araC14
  leuB6(Am)	1.74	1	leuB6(Am)
  lacY1	7.79	1	lacY1
  glnX44(AS)	14.99	1	glnX44(AS)
  galK2(Oc)	16.99	1	galK2(Oc)
  galT22	17.01	1	galT22
  LAM-	17.40	1	λ-
  trp-5	28.33	1	trp-5
  rfbC1	45.43	0	rfbC1
  mgl-51	48.17	0	mgl-51
  recA1	60.80	1	recA1
  xylA5	80.34	1	xylA5
  mtl-1	81.26	1	mtl-1
  thiE1	90.34	1	thiE1
  hsdR4	98.74	1	hsdR4
  ValR	1000.00	1	ValR

  
  
• Comments:
• References:
  • Chinault, A.C., J. Carbon 1979. Overlap hybridization screening: isolation and characterization of overlapping DNA fragments surrounding the leu2 gene on yeast chromosome III. Gene 5:111-126
  
  

  Printable Strain Report