Table 2. List of S. littoralis contigs putatively involved in odorant binding.

Name	Signal peptide	Length (aa)	Blastx hit	e-value	Identity
SlitCSP15	Yes	122	|NP_001091781.1| chemosensory protein 15 [Bombyx mori]	2e−34	59%
SlitCSP16	Yes	129	|ACX53692.1| chemosensory protein [Heliothis virescens]	6e−32	51%
SlitCSP17	Yes	138	|BAG71921.1| chemosensory protein 13 [Papilio xuthus]	7e−66	77%
SlitCSP18	No	145	|EHJ73331.1| chemosensory protein 12 [Danaus plexippus]	4e−38	59%
SlitCSP19	Yes	123	|NP_001037067.1| chemosensory protein 8 precursor [Bombyx mori]	2e−53	64%
SlitCSP20	Yes	109	|AFR92094.1| chemosensory protein 10 [Helicoverpa armigera]	3e−65	87%
SlitCSP21	Yes	111	|NP_001037066.1| chemosensory protein precursor [Bombyx mori]	1e−43	63%
SlitOBP22	Yes	140	|EHJ65654.1| antennal binding protein 4 [Danaus plexippus]	1e−54	67%
SlitOBP23	Yes	145	|AAR28763.1| odorant-binding protein-2 precursor [Spodoptera frugiperda]	3e−70	82%
SlitOBP24	Yes	146	|AAR28762.1| odorant-binding protein [Spodoptera frugiperda]	1e−56	59%
SlitOBP25	Yes	147	|ADY17885.1| odorant binding protein [Spodoptera exigua]	3e−69	70%
SlitOBP26	Yes	154	|ADK47525.1| odorant binding protein [Manduca sexta]	1e−61	62%
SlitOBP27	Yes	153	|NP_001153664.1| odorant binding protein LOC100301496 precursor[Bombyx mori]	8e−53	56%
SlitOBP28	Yes	150	|NP_001140188.1| odorant-binding protein 4 [Bombyx mori]	4e−39	47%
SlitOBP29	No	129	|ADY17886.1| odorant binding protein [Spodoptera exigua]	2e−85	98%
SlitOBP30	No	170	|AFM77984.1| oderant binding protein 6 [Spodoptera exigua]	2e−74	71%
SlitOBP31	No	270	|EHJ73423.1| twelve cysteine protein 1 [Danaus plexippus]	8e−60	45%

Signal peptides were determined using SignalP 4.0 [52]. aa: amino acid.