Hyperactive mutants

A possible way that φC31 integrase regulates the recombination direction

T. A. Liu, Fang, Y. X., Yin, H., and Jing, Z. Z., A possible way that φC31 integrase regulates the recombination direction, vol. 14, pp. 507-514, 2015.

φC31 integrase encoded by Streptomyces phage can mediate site-specific recombination between phage and host genomes. The recombination direction is generally considered to be accurately regulated, but the regulatory mechanisms involved are still unclear. Recently, some hyperactive mutants of φC31 integrase that can bypass the regulatory steps have been isolated and extensively studied. A putative coiled-coil region is found to play a critical role in controlling recombination direction.

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