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In enteroviruses, the inhibition of protein synthesis from capped host cell mRNA is catalyzed by the virally encoded 2A proteinase (2Apro), which cleaves eukaryotic initiation factors (eIF) 4GI and 4GII. Despite much investigation, the exact mechanism of 2Apro cleavage remains however unclear. Here, we identify the domains responsible for the eIF4E/HRV2 2Apro interaction using molecular modelling...