Anti-CD184 antibodies are immunological tools directed against the CD184 antigen, a reported synonym of the human protein 'C-X-C motif chemokine receptor 4', encoded by the gene CXCR4. The full protein is reported to be 352 amino acid residues in length. It is listed to be a member of the G-protein coupled receptor 1 family. The CD184 antigen is a documented cancer and neural stem cell marker.