Access to PCNA by Sr and El controls the choice between alternative repair pathways in Saccharomyces cerevisiae
M. Arbel, A.M. Bronstein, S. Sau, B. Liefshitz, M. Kupiec, MBio 11 (2020).

The main role of Sr in DNA repair depends on its helicase activity, rather than on its interactions with PCNA or Ra
A.M. Bronstein, L. Gershon, G. Grinberg, E. Alonso-Perez, M. Kupiec, MBio 9 (2018).