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E. coli growth rates after Pro-3/GST expression. Early log phase E. coli DH5αPRO cells harboring pC3844-encoding Pro-3/GST were split into duplicate cultures, one of which was induced with 250 ng/ml aTc (+aTc) and the other of which was not (−aTc). The growth rates were determined over a 10-hr period. The inset shows an analogous experiment done with E. coli cells carrying the GST expression construct pC3868.
