PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22444322-4 2012 Here, we investigated the interaction of heparin hexasaccharides and recombinant human IL-8, consisting of 77 amino acids using fluorescence and NMR spectroscopy. heparin hexasaccharides 41-64 C-X-C motif chemokine ligand 8 Homo sapiens 87-91