Fig. 2: Cryo-EM structures of RAD52 closed and open rings.
From: Mechanism of single-stranded DNA annealing by RAD52–RPA complex

a, Top and side views of the RAD52-CR cryo-EM map (2.9 Å) and atomic model. b, Top and side views of the RAD52-OR cryo-EM map (3.2 Å) and atomic model. RAD52 subunits are numbered successively.