In a latest study, we claimed the identification as well as the characterization of a completely new atypical opioid receptor with exceptional unfavorable regulatory Attributes to opioid peptides.1 Our outcomes confirmed that ACKR3/CXCR7, hitherto called an atypical scavenger receptor for chemokines CXCL12 and CXCL11, is also a wide-spectrum scaven