Lambda Deoxyribonucleic Acid EcoR I FragmentsDNA fragments prepared by the digestion of purified lambda DNA with the restriction endonuclease EcoR I. On agarose gel electrophoresis the mixture separates into five individual bands having the following number of base pairs: 21226, 7421, 5804, 4878, and 3530. A solution in 10mM Tris-HCl, pH 8.0, with 1mM EDTA. Store at -20C. REQUIRES SPECIAL SHIPPING: DRY ICEThis material is sold for in-vitro use only in manufacturing and research and is not suitable for use in humans or animals. This material should be handled with general laboratory precaution.