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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Cell Stem Cell. 2008 Dec 4;3(6):577–578. doi: 10.1016/j.stem.2008.11.007

Figure 1. Alternative PRC1 and PRC2 Complexes Are Formed by Combinatorial Assembly.

Figure 1

(A) PRC2-Ezh2 and PRC2-Ezh1 complexes may differ in their intrinsic methyltransferase activity or mechanism of repression.

(B) A number of possible PRC1 complexes could be also be formed by the combinatorial assembly of a selection of alternative subunits.