PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2690072-2	1989	Analogues of a heptapeptide substrate of HIV-1 protease with sequence similar to the p17-p24 cleavage site in the natural substrate, Pr55gag, were synthesized in which the scissile dipeptide bond was replaced with bonds from six categories of stable mimics of an aspartic proteolysis transition state or intermediate.	Dipeptides	181-190	Pr55(Gag)	Human immunodeficiency virus 1	133-140