This ladder is made from the two plasmids pPSU1 and pPSU2 linearized with a unique cutting enzyme and both plasmids digested with EcoRV.
Henrici RC, Pecen TJ, Johnston JL et al. The pPSU Plasmids for Generating DNA Molecular Weight Markers. Sci Rep 2017;7:2438.
bp pixels
500 366
750 296
1000 246
1500 183
2000 146
3000 104
4000 84
5000 70
7750 50
10000 41