Phage Lambda cl857 Sam7 DNA is isolated from an infected E. coli strain W3350. Restriction enzyme-digested lambda DNA (48502 bp) generates molecular weight size markers routinely used in gel analysis of nucleic acids. The complete nucleotide sequence has been determined.

Storage buffer:

• 10 mM Tris-HCl (pH 7.8)

• 10 mM NaCl

• 1 mM EDTA

Concentration: 0.2 – 0.5 mg/ml

Storage conditions: -20°C