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]

Quignon et al. Genome Biology 2005 6:R83   doi:10.1186/gb-2005-6-10-r83