PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32543879-8 2020 CXCL4 blocked viral attachment through binding to the RSV main receptor heparan sulfate, instead of interacting with RSV surface proteins. Heparitin Sulfate 72-87 platelet factor 4 Homo sapiens 0-5