Site-specific recombination. Making Holliday junctions.
D010582:Bacteriophage lambda / Q000235:genetics*; D001483:Base Sequence; D004269:DNA, Bacterial / Q000235:genetics*; D004274:DNA, Recombinant; D004279:DNA, Viral / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics*; D011995:Recombination, Genetic; D012689:Sequence Homology, Nucleic Acid
D004269:DNA, Bacterial; D004274:DNA, Recombinant; D004279:DNA, Viral