PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22024519-9 2011 N7K significantly increases the distance between V3 position 7 and sulphotyrosine at CCR5 position 14 (crucial for binding to gp120; from 4.22 A to 8.30 A), thus abrogating the interaction between these two important residues. sulphotyrosine 67-81 C-C motif chemokine receptor 5 Homo sapiens 85-89