Table 4.

Amino acid patterns used to retrieve olfactory receptor genes

Pattern number	Transmembrane domain	Pattern
Dog
1	TMII	P-M-Y-x-[FL]-L-x(2)-[FL]-[AMS]-x(2)-[DE]
2	TMIII	L-x(1,3)-M-x-[FILY]-D-R-x(2)-A-[IV]-[CS]-x-P-L-x-[HY]-x(3)-[ILM]
3	TMIII	L-x(3)-M-x(0,1)-Y-x-[FLR]-[LY]-x(2)-[FILV]-[ACS]
4	TMVI	K-x-[FL]-[AGHNST]-T-C-x-[AS]-H-x(3)-[AIV]
5	TMVII	N-P-[FILMV]-[IV]-Y-[AGST]-[AILMV]-[KR]-x(2)-[DEKQ]
Rat
1	TMII	L-[HKNQR]-x-P-M-[FY]-x-[FIL]-L-x(2)-L-x(3)-[DEY]
2	TMIII	M-[AS]-[FLY]-D-R-[FHY]-[AILMV]-A-[IV]-x(2)-P-L-x-[HY]-x(3)-[FILMV]-[DGHKNPRST]
3	TMV	S-Y-x(2)-I-[FILV]-x-[AST]-[FIV]
4	TMVI	K-x-[FILMV]-x-T-C-x-[ACPST]-H-[FILMV]-x(2)-[FILMV]
5	TMVII	P-x-[LMV]-N-P-[FILMV]-x-Y-[ACGST]-x-[KNR]-x-[KNQRT]-[DEKPQ]-[FILMV]