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. 2014 Jun 21;42(13):8537–8555. doi: 10.1093/nar/gku550

Figure 2.

Figure 2.

Truncation of Rps5 46 N-terminal amino acid residues confers leaky scanning phenotype. Expression of reporter GCN4-lacZ constructs. rps5-Δ0 and isogenic rps5-Δ1-13, rps5-Δ1-24, rps5-Δ1-30, rps5-Δ1-46 strains were transformed with (A) p227 containing uORFs less GCN4 mRNA leader; (B) p209 containing uORF1; (C) p226 containing only uORF4 and (D) pM226 containing uORF1 extended into GCN4 ORF. β-Galactosidase activity (units) are shown; measured under normal (−SM) and aa starved conditions (+SM) as in Figure 1.