Chicken IL2 contains five repeats of the "instability" motif ATTTA in the 3'untranslated region in exon 4 .
chicken il2 contains five repeats of the "instability" motif attta in the 3'untranslated region in exon 4 .
O B-protein_molecule O O O O O O O B-polynucleotide O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O