Mutations in the highly conserved GGQ motif of class 1 polypeptide release factors abolish ability of human eRF1 to trigger peptidyl-tRNA hydrolysis.
L Y Frolova, R Y Tsivkovskii, G F Sivolobova, N Y Oparina, O I Serpinsky, V M Blinov, S I Tatkov, and L L Kisselev
RNA. 1999 August; 5(8): 1014–1020. PMCID: PMC1369825