Suv4-20h2 mediates chromatin compaction and is important for cohesin recruitment to heterochromatin.
Hahn M, Dambacher S, Dulev S, Kuznetsova AY, Eck S, Wörz S, Sadic D, Schulte M, Mallm JP, Maiser A, et al. Genes Dev. 2013 Apr 15; 27(8):859-72. Epub 2013 Apr 18.