Table 2.

Proteins known to localize on the inactive X chromosome.

proteins or complexes	dependency on Xist RNA	references
PRC1 (Mel-18/Bmi1, Cbx2, Phc, Ring1A/B, RYBP, etc.)	yes	[51,56,82,83]
PRC2 (Ezh2, Eed, Suz12, etc.)	yes	[48,49,84]
macroH2A	yes	[45,85]
PARP1	nt
SAF-A/hnRNP U	yes	[44,45,47]
Atrx	nt	[86]
SmcHD1	nt	[87]
Ash2L	yes	[45]