Fungal pheromone mating factor receptors form a distinct family of G-protein coupled receptors.
Mating factor receptors, STE2 and STE3 are integral membrane proteins that may be involved in the response to mating factors on the cell membrane. The amino acid sequences of both receptors contain high proportions of hydrophobic residues grouped into 7 domains, in a manner reminiscent of the rhodopsins and other receptors believed to interact with G-proteins.
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