72812273ENSG00000197405ENSMUSG00000049130P21730P30993NM_001736NM_001173550NM_007577NP_001727NP_001167021NP_031603The C5a receptor also known as complement component 5a receptor 1 (C5AR1) or CD88 (Cluster of Differentiation 88) is a G protein-coupled receptor for C5a. It functions as a complement receptor. C5a receptor modulates inflammatory responses, obesity, development and cancers. The C5a receptor also known as complement component 5a receptor 1 (C5AR1) or CD88 (Cluster of Differentiation 88) is a G protein-coupled receptor for C5a. It functions as a complement receptor. C5a receptor modulates inflammatory responses, obesity, development and cancers. The C5a receptor is expressed on: Potent and selective agonist and antagonists for C5aR have been developed.