tokens: These single mutational defects in the eRF1-eRF3 interaction became evident when either truncated protein eRF3C or C-terminally altered eRF1 proteins were used for the authentic protein , providing further support for the presence of a C-terminal interaction .
folded_tokens: these single mutational defect in the erf1-erf3 interaction become evident when either truncate protein erf3c or c-terminally altered erf1 protein be use for the authentic protein , provide further support for the presence of a c-terminal interaction .