Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1ZR3
histone macroH2A1.12-(N-MORPHOLINO)-ETHANESULFONIC ACID
crystal structuremacro domainhumancore
https://www.ncbi.nlm.nih.gov/Structure/pdb/1ZR5
crystal structuremacro domainhumancore