Lysophosphatidic acid receptor 3 also known as LPA<sub>3</sub> is a protein in humans that is encoded by the LPAR3 gene. LPA<sub>3</sub> is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).
This gene encodes a member of the G protein-coupled receptor family, as well as the EDG family of proteins. This protein functions as a cellular receptor for lysophosphatidic acid and mediates lysophosphatidic acid-evoked calcium mobilization. This receptor couples predominantly to G(q/11) alpha proteins.
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