| CCR1 | CC-chemokine receptor 1 | 
| hCCR1 | Human CCR1 | 
| GPCR | G protein-coupled receptor | 
| mAb | Monoclonal antibody | 
| CDR | Complementarity-determining region | 
| TM | Transmembrane | 
| MACS® | Magnetic activated cell sorting | 
| FACS | Fluorescence-activated cell sorting | 
| FMAT | Fluorescent microvolume assay technology | 
| GTPγS | 35S-labeled non-hydrolysable derivative of guanosine triphosphate | 
| CHO | Chinese hamster ovary | 
| Fc | Fragment crystallizable |