Conformation of double-stranded DNA during agarose gel electrophoresis: fractionation of linear and circular molecules with molecular weights between 3 X 10(6) and 26 X 10(6).

Conformation of double-stranded DNA during agarose gel electrophoresis: fractionation of linear and circular molecules with molecular weights between 3 X 10(6) and 26 X 10(6).