PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24097413-3 2013 Previous structural analysis suggests that this glycan fills a void between the gp120 V5 loop and the ibalizumab light chain, perhaps causing steric hindrance that disrupts viral entry. Polysaccharides 48-54 Envelope surface glycoprotein gp160, precursor Human immunodeficiency virus 1 80-85