MBF2 activates transcription via its interaction with TFIIA [1-2]. In Bombyx mori, it has been found to form a complex with MBF1 and the DNA-binding regulator FTZ-F1 [3].

1: Transcriptional activation through interaction of MBF2 with TFIIA. Li FQ, Takemaru K, Goto M, Ueda H, Handa H, Hirose S; Genes Cells. 1997;2:143-153. PMID:9167971

2: Comparison of sequences of a transcriptional coactivator MBF2 from three Lepidopteran species Bombyx mori, Bombyx mandarina and Samia cynthia. Liu QX, Ueda H, Hirose S; Gene. 1998;220:55-59. PMID:9767108

3: MBF2 is a tissue- and stage-specific coactivator that Is regulated at the step of nuclear transport in the silkworm Bombyx mori. Liu QX, Ueda H, Hirose S; Dev Biol. 2000;225:437-446. PMID:10985861