PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2392685-1	1990	The principal neutralizing determinant (PND) of human immunodeficiency virus HIV-1 is part of a disulfide bridged loop in the third variable region of the external envelope protein, gp120.	Disulfides	96-105	Envelope surface glycoprotein gp160, precursor	Human immunodeficiency virus 1	182-187