ProMega-Markers Lambda Ladders, 40-60 lanes Item ID: PMG3011

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50-1,000kb; 20 bands. Concatamer of lambda phage DNA. Embedded in dye-colored, 1% agarose string molds in 50mM EDTA at 0.5ug/5mm.

ProMega-Markers Lambda Ladders are prepared by concatemerization of lambda phage DNA into multimers ranging in size from 50kb to 800kb and up, with each multimer, or rung, of the 20-step ladder differing in size by one lambda genome (approximately 48.5kb). The ladders are embedded in dye-colored, 0.5% agarose string molds in 50mM EDTA. The ladders are not intended for use in quantitative analysis.