Table 1. Determination of the optimal sequence for initiation of translation in Sf9 cells.

Sequences analyzed n = 168	Position upstream of the start codon*
	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1	AUG
A	43	36	27	35	27	22	39	88	64	57
U	26	34	29	27	31	41	11	0	13	6
G	14	17	14	7	28	12	7	10	3	11
C	17	13	30	31	14	25	43	2	20	26
Consensus sequence	A	A/U	A/U/C	A/U/C	A/U/G	U	A/C	A	A	A	AUG

168 genes expressed in Sf9 cells [40] were included in this analysis.

*Nucleotide flanking Sf9 start codons, in percentage.