For comparison, the interfaces of bL12m‐CTD (
S. scrofa, gray) and bL12‐CTD (
E. coli, yellow, pdb: 1CTF Leijonmarck & Liljas,
1987) that contact the mitochondrial or bacterial elongation factor, respectively, are shown. Key residues for interaction with the G domain of translational GTPases are conserved.