DNA fragments prepared by the digestion of lambda DNA with the restriction endonuclease BstE II. On agarose gel electrophoresis the mixture separates into 14 individual bands having the following number of base pairs: 8454, 7242, 6369, 5686, 4822, 4324, 3675, 2323, 1929, 1371, 1264, 702, 224 and 117. A solution in 10 mM Tris-HCl, pH 8.0, with 1 mM EDTA.
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