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Promega Corporation

DNA Step Ladders

The DNA Step Ladders are ladders of defined sizes with exact incremental steps between bands. The ladders are not intended for use in quantitative analysis. Each ladder is provided with a tube of 6X Blue/Orange Loading Dye. The fragments may be stained with ethidium bromide.

10bp DNA Step Ladder: Ten blunt-ended DNA fragments ranging from 10bp to 100bp in exactly 10bp increments. All of the bands are of approximately equal intensity with the exception of the 10bp band, which may appear slightly less intense.

25bp DNA Step Ladder: Twelve DNA fragments ranging from 25bp to 300bp in 25bp increments. An 1,800bp "backb...

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  • Prices valid for US customers only
Product Size Conc. Catalog # *List Price QTY Add to Cart

10bp DNA Step Ladder

32.5μg
(50 lanes)
0.65μg/μl G4471 $ 117.00 Add to cart

25bp DNA Step Ladder

100μg
(55 lanes)
0.36μg/μl G4511 $ 117.00 Add to cart

50bp DNA Step Ladder

90μg
(52 lanes)
0.34μg/μl G4521 $ 137.00 Add to cart

100bp DNA Step Ladder

100μg
(100 lanes)
1μg/μl G6951 $ 171.00 Add to cart

200bp DNA Step Ladder

100μg
(100 lanes)
1μg/μl G6961 $ 137.00 Add to cart

1kb DNA Step Ladder

90μg
(300 lanes)
0.3μg/μl G6941 $ 102.00 Add to cart


Storage Buffer

Cat.# G4471, G4511, G6951, G6961, G6941: 10mM Tris-HCl (pH 7.4), 1mM EDTA. Cat.# G4521: 10mM Tris-HCl (pH 7.5), 1mM EDTA.

Storage Conditions

Store at –20°C.

For product intended use please see Patents & Disclaimers tab.

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