PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35054983-6 2022 Compared to the wild-type spike, the Delta one shows a higher affinity towards heparan sulfate proteoglycans than towards ACE2. Heparitin Sulfate 79-94 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 26-31 35054983-7 2022 In addition to attachment to the polyanionic heparan sulfate chains, the Delta spike"s molecular interactions with syndecan-4 also involve syndecan-4"s cell-binding domain that mediates cell-to-cell adhesion. Heparitin Sulfate 45-60 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 79-84