CBX4 SUMOylates CBX4 in PRC1 with SUMO1 (Xenopus tropicalis)
cbx4 sumoylates cbx4 in prc1 with sumo1 (xenopus tropicalis)
CBX4 SUMOylates CBX4 in PRC1 with SUMO1 (Xenopus tropicalis)
cbx4 sumoylates cbx4 in prc1 with sumo1 (xenopus tropicalis)