这个基因编码基本转录因子3。该蛋白与RNA聚合酶IIB形成稳定的复合物，是转录起始所必需的选择性剪接导致编码不同亚型的多个转录变体这个基因有多个假基因。[由RefSeq提供，2008年7月]
This gene encodes the basic transcription factor 3. This protein forms a stable complex with RNA polymerase IIB and is required for transcriptional initiation. Alternative splicing results in multiple transcript variants encoding different isoforms. This gene has multiple pseudogenes. [provided by RefSeq, Jul 2008]