Chromatin-associated protein involved in DNA repair by promoting homologous recombination (HR) . Binds double-stranded DNA (dsDNA) and secondary DNA structures, such as D-loop structures, but with less affinity than RAD51AP1 .
Subcellular locations: Nucleus, Chromosome
Widely expressed, with highest levels in thyroid gland, prostate and uterus and in fetal liver, thymus and lung.