| CXCL | CXC ligand |
| CXCR2 | CXC chemokine receptor 2 |
| CXCL7/NAP2 | Neutrophil-activating peptide 2 |
| GAG | Glycosaminoglycan |
| NAC | CXCR2 N-terminal domain |
| NMR | Nuclear Magnetic Resonance |
| HSQC | Heteronuclear single quantum coherence |
| CSP | Chemical shift perturbation |
| NOE | Nuclear Overhauser effect |
| AIR | Ambiguous interaction restraints |
| Dp8 | Heparin octasaccharide |