IRES elements have been proposed to be involved in the translation of picornavirus mRNAs and some cellular mRNAs .
ires elements have been proposed to be involved in the translation of picornavirus mrnas and some cellular mrnas .
B-DNA_domain_or_region O O O O O O O O O O O B-virus O O O B-RNA_family_or_group I-RNA_family_or_group O