The astrocytic vesicular protein, synaptobrevin2 (Sb2), is implicated in neurotransmitter release, but its vesicular arrangement is poorly understood. Here, Singh et al. use super-resolution fluorescence microscopy to show that the total number of endogenous Sb2 molecules per vesicle is ≤25.
- Priyanka Singh
- Jernej Jorgačevski
- Robert Zorec