Clr2 is a chromatin silencing protein, one of a quartet of proteins forming the core of SHREC, a multienzyme effector complex that mediates hetero-chromatic transcriptional gene silencing in fission yeast. Clr2 does not have any obvious well-conserved domains but, along with the other core proteins, binds to the histone deacetylase Clr3, and on its own might also have a role in chromatin organisation at the cnt domain, the site of kinetochore assembly.

1: SHREC, an effector complex for heterochromatic transcriptional silencing. Sugiyama T, Cam HP, Sugiyama R, Noma K, Zofall M, Kobayashi R, Grewal SI; Cell. 2007;128:491-504. PMID:17289569