Fig. (2).

Structure of an OR. The extent of conservation at each amino acid position is shown by a color in the color chart, with blue being highly variable and red being highly conservative. The position of ‘MAYDRYVAIC’ motif is also shown.

Structure of an OR. The extent of conservation at each amino acid position is shown by a color in the color chart, with blue being highly variable and red being highly conservative. The position of ‘MAYDRYVAIC’ motif is also shown.