ARCISZEWSKA, L. K., BAKER, R. A., Hallet, B., & SHERRATT, D. J. (2000). Coupled catalysis in a recombination machine: Mutated XerC and XerD recombinases that stimulate strand exchange by their partner recombinase. Journal of Molecular Biology, 299(2), 391-403. https://doi.org/10.1006/jmbi.2000.3762 (Original work published 2000)