Supplementary Figure 1: DNA sample and utilized dyes.
From: Precision and accuracy of single-molecule FRET measurements—a multi-laboratory benchmark study

Left: DNA model with dye accessible volumes of the donor (blue) and acceptor (red) that were used in this study, indicating lo-, mid- and hi-FRET samples. Right: Structural formula of the dyes used in this study. Based on dyes from Molecular Probes / Thermo Fisher Scientific (Waltham, USA) and Atto-tec (Siegen, D).