The histone chaperone nucleoplasmin (Npm) stores histones H2A/H2B in the egg and embryo. Here, the authors use NMR to show that Npm’s intrinsically disordered tail domain controls histone binding at an acidic stretch, which is autoregulated through direct competition with its basic C-terminus.
- Christopher Warren
- Tsutomu Matsui
- David Shechter
