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Molecular Weight Markers

Choose from a range of DNA, RNA and protein molecular weight markers. Use the DNA molecular weight markers for both conventional and pulsed field gel electrophoresis applications.

24 Products


Marker Type


Shop all Molecular Weight Markers

Broad Range Protein Molecular Weight Markers

Nine protein bands at convenient molecular weights of 10, 15, 25, 35, 50, 75, 100, 150 and 225kDa.


BenchTop 100bp DNA Ladder

Eleven fragments of100–1,000bp in 100bp increments premixed with loading dye.


BenchTop 1kb DNA Ladder

Thirteen blunt-ended fragments of 250–10,000bp premixed with loading dye.


BenchTop PCR Markers

Six bands of equal intensity (50, 150, 300, 500, 750, and 1,000bp) premixed with loading dye.


BenchTop pGEM® DNA Markers

Fifteen DNA fragments of 36–2,645bp premixed with dye and ready to load.


RNA Markers

Nine RNA transcripts synthesized in vitro from specific templates, creating bands of 281–6,583 bases.


ProMega-Markers® Lambda Ladders

Ready-to-use λ phage DNA concatemerized into multimers of 50–800kb+ for pulsed-field gel electrophoresis.


ΦX174 DNA/HinfI Dephosphorylated Markers

Twenty dephosphorylated DNA fragments of 24–726bp ready for 5´ end labeling with T4 Polynucleotide Kinase.


1kb DNA Step Ladder

Ten blunt-ended DNA fragments ranging from 1kb to 10kb in 1kb increments.


200bp DNA Step Ladder

Thirty-three blunt-ended DNA fragments ranging from 200bp to 6,600bp in 200bp increments.


100bp DNA Step Ladder

Forty blunt-ended DNA fragments ranging from 100bp to 4,000bp in 100bp increments.


50bp DNA Step Ladder

Sixteen DNA fragments ranging from 50bp to 800bp in 50bp increments.


25bp DNA Step Ladder

Twelve DNA fragments ranging from 25bp to 300bp in 25bp increments.


10bp DNA Step Ladder

Ten blunt-ended DNA fragments ranging from 10bp to 100bp in exactly 10bp increments.


1kb DNA Ladder

Thirteen blunt-ended fragments with sizes ranging from 250bp to 10,000bp.


Showing 24 of 24 Products