DNA Markers & Ladders Selection Chart
NEB offers a variety of DNA ladders with sizes ranging from 10 bp to 48.5 kb for use in DNA gel electrophoresis, including standard agarose and polyacrylamide (PAGE) electrophoresis. NEB also offers various conventional double-stranded DNA molecular weight markers with sizes up to 23 kb and markers for pulsed-field gel electrophoresis (PFGE) ranging from 1.5 to 1,018 kb. NEB DNA ladders are available in standard formats and in a variety of convenient, ready-to-load formats.
NEB # | Gel Lanes | Size Range | Ready to Load? | Supplied with Loading Dye? | Compatible with Standard Electrophoresis* | Other Applications | |
---|---|---|---|---|---|---|---|
1 kb Plus | |||||||
1 kb Plus DNA Ladder | N3200S N3200L |
200 1,000 |
100 bp–10 kb | – | ✔ | ✔ | |
Quick-Load Purple 1 kb Plus DNA Ladder | N0550S N0550L |
250 750 |
100 bp–10 kb | ✔ | ✔ | ✔ | |
Quick-Load 1 kb Plus DNA Ladder | N0469S | 250 | 100 bp–10 kb | ✔ | – | ✔ | |
1 kb Plus DNA Ladder for Safe Stains | N0559S | 250 | 100 bp–10 kb | ✔ |
– |
✔ Optimized for GelRed®, GelGreen®, SYBR® pre-cast gels |
|
Tri-Dye 1 Kb Plus DNA Ladder | N3270S | 250 | 100 bp–10 kb | ✔ |
– | ✔ | |
1 kb Extend | |||||||
Quick-Load 1 kb Extend DNA Ladder | N3239S | 125 | 500 bp–48.5 kb | ✔ | – | ✔ | |
100 bp | |||||||
100 bp DNA Ladder | N3231S N3231L |
100 500 |
100–1,517 bp | – | ✔ | ✔ | |
Quick-Load Purple 100 bp DNA Ladder | N0551S N0551L |
125 375 |
100–1,517 bp | ✔ | ✔ | ✔ | |
Quick-Load 100 bp DNA Ladder | N0467S N0467L |
125 375 |
100–1,517 bp | ✔ |
– | ✔ | |
TriDye 100 bp DNA Ladder | N3271S | 125 | 100–1,517 bp | ✔ | – | ✔ | |
1 kb | |||||||
1 kb DNA Ladder | N3232S N3232L |
200 |
500 bp–10 kb |
– |
✔ |
✔ | |
Quick-Load Purple 1 kb DNA Ladder | N0552S N0552L |
125 375 |
500 bp–10 kb | ✔ | ✔ | ✔ | |
Quick-Load 1 kb DNA Ladder | N0468S N0468L |
125 375 |
500 bp–10 kb | ✔ |
– | ✔ | |
TriDye 1 kb DNA Ladder | N3272S | 125 | 500 bp–10 kb | ✔ | – | ✔ | |
50 bp | |||||||
50 bp DNA Ladder | N3236S N3236L |
200 1,000 |
50–1,350 bp | – | ✔ | ✔ | |
Quick-Load Purple 50 bp DNA Ladder | N0556S | 250 | 50–1,350 bp | ✔ | ✔ | ✔ | |
Low Molecular Weight | |||||||
Low Molecular Weight DNA Ladder | N3233S N3233L |
100 500 |
25–766 bp | – | ✔ | ✔ | |
Quick-Load Purple Low Molecular Weight DNA Ladder | N0557S | 125 | 25–766 bp | ✔ | ✔ | ✔ | |
TriDye™ Ultra Low Range DNA Ladder | N0558S | 250 | 10–700 bp | ✔ |
– |
✔ | Polyacrylamide Gel Electrophoresis (PAGE) |
Supercoiled | |||||||
Supercoiled DNA Ladder | N0472S | 100 | 2–10 kb | – | ✔ | ✔ | |
Fast DNA Ladder | |||||||
Fast DNA Ladder | N3238S | 50 | 50 bp–10 kb | ✔ Xylene Cyanol FF Loading Buffer
|
– | ✔ Compatible with GelRed, GelGreen, SYBR pre-cast gels |
Fast Gel Electrophoresis (e.g., E-Gels) |
PCR Marker | |||||||
PCR Marker | N3234S N3234L |
100 500 |
50–766 bp | – | ✔ | ✔ | |
Conventional Markers | |||||||
pBR322 DNA-BstNI Digest | N3031L | 250 | 13–1,857 bp | – | ✔ | ✔ | |
λ DNA-HindIII Digest | N3012S N3012L |
150 750 |
125 bp–23.1 kb | – | ✔ | ✔ | |
λ DNA-BstEII Digest | N3014S | 150 | 117–8,454 bp | – | ✔ | ✔ | |
ΦX174 DNA-HaeIII Digest | N3026S N3026L |
50 250 |
72–1,353 bp | – | ✔ | ✔ | |
pBR322 DNA-MspI Digest | N3032S | 50 |
9–622 bp | – | ✔ | ✔ | |
Pulsed Field Gel (PFG) Markers | |||||||
λ DNA-Mono Cut Mix | N3019S | 100 | 1.5–48.5 kb | – | ✔ | ✔ | Pulsed Field Gel Electrophoresis (PFGE) |
λ PFG Ladder | N0341S | 50 | 48.5–1,018.5 kb | Solid Agarose | – | – | Pulsed Field Gel Electrophoresis (PFGE) |
MidRange PFG Marker | N0342S | 50 | 15–291 kb | Solid Agarose | – | – | Pulsed Field Gel Electrophoresis (PFGE) |
*Not optimized for gels pre-cast with GelRed®, GelGreen®, SYBR® dyes unless otherwise stated.
Tracking Dyes
Quick-Load = Bromophenol Blue
Quick-Load Purple = Purple
TriDye = Bromophenol Blue, Xylene Cyanol FF, Orange G