3.4.23.47	755507	 Analysis of the HIV-2 proteases adaptation to various ligands	 characterization of backbone asymmetry using a structural alphabet	Sci. Rep.	 8	 710 	2018	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=29335428&form=6&db=m	
3.4.23.47	754210	 Characterizing the structural variability of HIV-2 protease upon the binding of diverse ligands using a structural alphabet approach	J. Biomol. Struct. Dyn.	 37	 4658-4670 	2018	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=30593258&form=6&db=m	
3.4.23.47	755505	 Exploration of the effect of sequence variations located inside the binding pocket of HIV-1 and HIV-2 proteases	Sci. Rep.	 8	 5789 	2018	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=29636521&form=6&db=m	
3.4.23.47	753656	 Exploring the reasons for decrease in binding affinity of HIV-2 against HIV-1 protease complex using interaction entropy under polarized force field	Front. Chem.	 6	 380 	2018	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=30197882&form=6&db=m	
3.4.23.47	754549	 Four amino acid changes in HIV-2 protease confer class-wide sensitivity to protease inhibitors	J. Virol.	 90	 1062-1069 	2016	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=26559830&form=6&db=m	
3.4.23.47	666190	Amino acid preferences for a critical substrate binding subsite of retroviral proteases in type 1 cleavage sites	J. Virol.	79	4213-4218	2005	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=15767422&form=6&db=m	
3.4.23.47	644059	Comparison of the HIV-1 and HIV-2 proteinases using oligopeptide substrates representing cleavage sites in Gag and Gag-Pol polyproteins	FEBS Lett.	281	77-80	1991	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=2015912&form=6&db=m	
3.4.23.47	644066	Comparison of the specificity of homo- and heterodimeric linked HIV-1 and HIV-2 proteinase dimers	Protein Eng.	11	439-445	1998	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=9725622&form=6&db=m	
3.4.23.47	718370	Critical differences in HIV-1 and HIV-2 protease specificity for clinical inhibitors	Protein Sci.	21	339-350	2012	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=22238126&form=6&db=m	
3.4.23.47	644062	Crystal structure at 1.9-A resolution of human immunodeficiency virus (HIV) II protease complexed with L-735,524, an orally bioavailable inhibitor of the HIV proteases	J. Biol. Chem.	269	26344-26348	1994	Human immunodeficiency virus 2	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7929352&form=6&db=m