PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
3261775-5	1988	One nonpermissive, CD4+ derivative of CEM could bind gp120 but failed to undergo fusion, suggesting an alteration in some membrane protein other than CD4 that is essential for virus entry and HIV-induced cell fusion.	2-chloroethyl methyl sulfide	38-41	inter-alpha-trypsin inhibitor heavy chain 4	Homo sapiens	53-58