PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
9918507-4	1998	It has been concluded that the inhibitory effect of heparin sulphate on the infection of CD4+ lymphocytes by recombinant HIV-1 clones is mediated mainly by the V3 region of gp120.	heparin sulphate	52-68	Envelope surface glycoprotein gp160, precursor	Human immunodeficiency virus 1	173-178