该基因编码的蛋白被鉴定为bcl6的相互作用共压子，bcl6是一种POZ/锌指转录抑制因子，是生发中心形成所必需的，可能影响细胞凋亡。这种蛋白选择性地与bcl6的poz结构域相互作用，但不与其他8种poz蛋白相互作用。特定的I类和II类组蛋白脱乙酰基酶（hdacs）与这种蛋白相互作用，这表明这两类hdacs之间可能存在联系。一些转录变体编码不同的亚型已被发现的这个基因。在Y染色体上发现一个假基因。
The protein encoded by this gene was identified as an interacting corepressor of BCL6, a POZ/zinc finger transcription repressor that is required for germinal center formation and may influence apoptosis. This protein selectively interacts with the POZ domain of BCL6, but not with eight other POZ proteins. Specific class I and II histone deacetylases (HDACs) have been shown to interact with this protein, which suggests a possible link between the two classes of HDACs. Several transcript variants encoding different isoforms have been found for this gene. A pseudogene of this gene is found on chromosome Y.
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