PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19996935-0 2010 High prevalence of natural polymorphisms in Gag (CA-SP1) associated with reduced response to Bevirimat, an HIV-1 maturation inhibitor. boron nitride 52-55 Pr55(Gag) Human immunodeficiency virus 1 44-47 17035324-0 2006 Human immunodeficiency virus type 1 resistance to the small molecule maturation inhibitor 3-O-(3",3"-dimethylsuccinyl)-betulinic acid is conferred by a variety of single amino acid substitutions at the CA-SP1 cleavage site in Gag. boron nitride 205-208 Pr55(Gag) Human immunodeficiency virus 1 226-229