GO terms:
Biological Process:
adaptive immune response [GO:0002250],
cell adhesion [GO:0007155],
cell surface receptor signaling pathway [GO:0007166],
G-protein coupled receptor signaling pathway [GO:0007186],
adenylate cyclase-activating G-protein coupled receptor signaling pathway [GO:0007189],
immune system process [GO:0002376],
signal transduction [GO:0007165],
Molecular Function:
G-protein coupled receptor activity [GO:0004930],
calcium ion binding [GO:0005509],
transmembrane signaling receptor activity [GO:0004888],
Cellular Component:
integral component of plasma membrane [GO:0005887],
external side of plasma membrane [GO:0009897],
plasma membrane [GO:0005886],
membrane [GO:0016020],
integral component of membrane [GO:0016021],
cell periphery [GO:0071944],