This is the fifth BRCT domain of regulator of Ty1 transposition protein 107 (RTT107). It is involved in binding phosphorylated histone H2A [1].

1: Structure of C-terminal tandem BRCT repeats of Rtt107 protein reveals critical role in interaction with phosphorylated histone H2A during DNA damage repair. Li X, Liu K, Li F, Wang J, Huang H, Wu J, Shi Y; J Biol Chem. 2012;287:9137-9146. PMID:22262834