DNA Markers & Ladders Selection Chart

NEB offers a variety of DNA ladders with sizes ranging from 25 bp to 48.5 kb for use in agarose gel electrophoresis. NEB also offers double-stranded DNA molecular weight markers with sizes ranging from 10 bp to 23 kb for use in agarose gel electrophoresis.


DNA Ladders/Markers Catalog # Range Supplied With Loading Dye Quantitation Gel Lanes
Ladders
1 kb Plus DNA Ladder  N3200S
N3200L
100 - 10,002 bp 200
1000
Quick-Load® Purple 1 kb Plus DNA Ladder N0550S
N0550L
100 - 10,002 bp 250
750
Quick-Load® 1 kb Plus DNA Ladder N0469S 100 - 10,002 bp n/a 250
1 kb Plus DNA Ladder for Safe Stains N0559 100 - 10,002 bp n/a 250
TriDye™ 1 kb Plus DNA Ladder N3270S 100 - 10,002 bp n/a 250
Quick-Load® 1 kb Extend DNA Ladder N3239S 500 - 48,502 bp n/a 125
100 bp DNA Ladder N3231S
N3231L
100 - 1,517 bp 100
500
Quick-Load® Purple 100 bp DNA Ladder N0551S
N0551L
100 - 1,517 bp 125
375
Quick-Load® 100 bp DNA Ladder N0467S
N0467L
100 - 1,517 bp n/a 125
375
TriDye™ 100 bp DNA Ladder N3271S 100 - 1,517 bp n/a 125
1 kb DNA Ladder N3232S
N3232L
500 - 10,002 bp 200
1000
Quick-Load® Purple 1 kb DNA Ladder N0552S
N0552L
500 - 10,002 bp 125
375
Quick-Load® 1 kb DNA Ladder N0468S
N0468L
500 - 10,002 bp n/a 125
325
TriDye™ 1 kb DNA Ladder N3272S 500 - 10,002 bp n/a 125
50 bp DNA Ladder N3236S
N3236L
50 - 1,350 bp 200
1000
Quick-Load Purple 50 bp DNA Ladder N0556S 50 - 1,350 bp 250
Low Molecular Weight DNA Ladder N3233S
N3233L
25 - 766 bp 100
500
Quick-Load Purple Low Molecular Weight DNA Ladder N0557S 25 - 766 bp 125
TriDye™ Ultra Low Range DNA Ladder N0558S 10 - 700 bp n/a 125
Fast DNA Ladder N3238S 50 - 10,002 bp n/a 50
PCR Marker N3234S
N3234L
50 - 766 bp 100
500
Supercoiled DNA Ladder N0472S 2,000 - 10,000 bp 100
Conventional Markers
pBR322 DNA-BstNI Digest N3031S
N3031L
13 - 1,857 bp 50
250
λ DNA-HindIII Digest N3012S
N3012L

125 - 23,130 bp 150
750
λ DNA-BstEII Digest N3014S 117 - 8,454 bp 150
ϕX174 DNA-HaeIII Digest N3026S
N3026L
72 - 1,353 bp 50
250
pBR322 DNA-MspI Digest N3032S
N3032L
9 - 622 bp 50
250
λ DNA-Mono Cut Mix N3019S 1,503 - 48,502 bp 100
PFG Markers
Lambda PFG Ladder N0341S 48,500 - 1,018,500 bp n/a 50
MidRange PFG Marker N0342S 15,000 - 291,000 bp n/a 50