Component of the SWI5-SFR1 complex, a complex required for double-strand break repair via homologous recombination (PubMed:20976249). Acts as a transcriptional modulator for ESR1. Component of the SWI5-SFR1 complex (PubMed:20976249). Interacts with RAD51; the interaction is weak (By similarity). Belongs to the SFR1/MEI5 family.