A non-catalytic role for RFC in PCNA-mediated processive DNA synthesis. - Chua GNL; Beckwitt EC; Miller-Browne V; Yurieva O; Zhang D; Katch BJ; Yao NY; Watters JW; Abrantes K; Funabiki R; Zhao X; O'Donnell ME; et al. (Cell, 2026)