Extended Data Fig. 8: Comparison of the Arg⁻¹ binding pocket of FEM1C with other arginine binding modules.

a, Recognition of Arg⁻¹ (yellow) by FEM1C (blue). b, Recognition of Rme2 (yellow) of PIWIL1 by SND1 (red) (PDB: 3OMC). c, Recognition of Arg/N-degron (yellow) by p62 ZZ domain (red) (PDB: 6MIU).