Supplementary NMR HSQC titiration figures 1 to 6 from Heparin-bound chemokine CXCL8 monomer and dimer are impaired for CXCR1 and CXCR2 activation: implications for gradients and neutrophil trafficking

CXCR1 or CXCR2 receptor N-domain binding to heparin-bound CXCL8, and heparin binding to CXCR1 or CXCR2 receptor N-domain-bound CXCL8