The 80S ribosome dissociates into free 40S (small) and 60S (large) ribosomal subunits. Each ribosomal subunit is constituted by several individual ribosomal proteins and rRNA.

• Formation of a pool of free 40S subunits (Arabidopsis thaliana)
• Formation of a pool of free 40S subunits (Bos taurus)
• Formation of a pool of free 40S subunits (Caenorhabditis elegans)
• Formation of a pool of free 40S subunits (Canis familiaris)
• Formation of a pool of free 40S subunits (Danio rerio)
• Formation of a pool of free 40S subunits (Dictyostelium discoideum)
• Formation of a pool of free 40S subunits (Drosophila melanogaster)
• Formation of a pool of free 40S subunits (Gallus gallus)
• Formation of a pool of free 40S subunits (Mus musculus)
• Formation of a pool of free 40S subunits (Oryza sativa)
• Formation of a pool of free 40S subunits (Plasmodium falciparum)
• Formation of a pool of free 40S subunits (Rattus norvegicus)
• Formation of a pool of free 40S subunits (Saccharomyces cerevisiae)
• Formation of a pool of free 40S subunits (Schizosaccharomyces pombe)
• Formation of a pool of free 40S subunits (Sus scrofa)
• Formation of a pool of free 40S subunits (Taeniopygia guttata)
• Formation of a pool of free 40S subunits (Xenopus tropicalis)