Summary and
additional information:
<- W. Messer, WM 298. Mutant strain of Escherichia coli K12 3300. Hfr, lacI 22, lacZ (Aba = antibody activatable) 627, rel-1, thi-1. Produces ß-galactosidase activated by specific antibodies (2624): inactive ß-galactosidase can be activated by antibodies against wild-type ß-galactosidase. (Medium 306, 37°C).
