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Model of ribosomal subunit formation from a post-termination complex. (A) Post-termination complex with bound tRNA remained after releasing the nascent peptide. (B) Complex without tRNA due to the action of EF-G and RRF (Hirashima and Kaji 1973; Hirokawa et al. 2002). (C) 70S ribosome is free of mRNA and tRNA; (C′) transiently dissociated subunits by RRF and EF-G without IF3. (D) Stable subunits with IF3.
