Retinoic Acid-inducible Orphan G Protein-coupled Receptor

The Retinoic Acid-Inducible orphan G-protein-coupled receptors (RAIG) are a group of four closely related G protein-coupled receptors whose expression is induced by retinoic acid.

The exact function of these proteins has not been determined but they may provide a mechanism by which retinoic acid can influence G protein signal transduction cascades. In addition, RAIG receptors interact with members of the frizzled class of G protein-coupled receptors and appear to activate the Wnt signaling pathway.

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