Table 2. Comparison of nt -3 to +9 effects (based on Figs 5 and 6) to previous data [5].

The order of nucleotide/stop codon is from most to (“>”) least permissive to readthrough.

Position	Literature [5]	This study
-3	-	A/C > G > U
-2	A	A > G > U > C
-1	A	A > G > C > U
Stop codon (+1, +2, +3)	UGA > UAG > UAA	UGA > UAG > UAA
+4	C > U > G > A	C > U > A > G
+5	A	A > G > U > C
+6	A/G	A/C > G/U
+7	N	U
+8	U/C/G	G > A/U > C
+9	A	A > C/G > U