The top of Figure 5b's rectangular box was cut. The size and fluorescence intensity of mCherry binding with nanobodies. (a) The size distributions of mCherry (black), LaM2‐mCherry (red), LaM4‐mCherry (blue), and LaM2‐mCherry‐LaM4 (green) by dynamic light scattering. (b) The emission spectra of mCherry (black), LaM2‐mCherry (red), and LaM4‐mCherry (blue)