The cleavage of DNA by type-I DNA topoisomerases.
D001483:Base Sequence; D004247:DNA / Q000235:genetics / Q000378:metabolism*; D004264:DNA Topoisomerases, Type I; D004277:DNA, Single-Stranded / Q000235:genetics / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology*
D004277:DNA, Single-Stranded; D004247:DNA; D004264:DNA Topoisomerases, Type I