ACKR2 (Atypical Chemokine Receptor 2): ACKR2, also known as D6, is a receptor that operates unconventionally by scavenging chemokines from its surroundings rather than transmitting signals via traditional pathways. This function is crucial for regulating inflammatory responses and preserving immune system balance. By removing chemokines, ACKR2 plays a vital role in controlling inflammation and is associated with several inflammatory diseases, including asthma, psoriasis, and cancer.