A subclass of adenosine A2 receptors found in LEUKOCYTES, the SPLEEN, the THYMUS and a variety of other tissues. It is generally considered to be a receptor for ADENOSINE that couples to the GS, STIMULATORY G-PROTEIN.

Synonyms: 0, Adenosine A(2A) Receptor, Receptors, Adenosine A2A, A2A Receptors, Adenosine, Adenosine A2A Receptors, A2A Receptor, Adenosine, Receptor, Adenosine A2A, Adenosine A2A Receptor