Table 1. Gag and Pol HIV-1 proteins numbered in HXB2 genome.

		Gene		Protein
HIV-1 proteins		Length (nucleotide)	Position (nucleotide)	Length (amino acid)	Position (amino acid)
Gag	P17	396	790–1185	132	263–394
	P24	693	1186–1878	231	395–625
	P2	42	1879–1920	14	626–639
	P7	165	1921–2085	55	640–694
	P1	48	2086–2133	16	695–710
	P6	156	2134–2289	52	711–762
	Total	1500	790–2289	500	263–762
Pol	PR	297	2253–2549	99	751–849
	RTp51	1320	2550–3869	440	850–1289
	RTp66	360	3870–4229	120	1290–1409
	IN	864	4230–5093	288	1410–1697
	Total	2841	2253–5093	947	751–1697

Nucleotides and amino acids numbered according to HXB2 subtype B reference strain (GenBank accession number K03455). P17, matrix; P24, capsid; P2, spacer peptide 1; P7, nucleocapside; P1, space peptide 2; PR, protease; RT, retrotranscriptase; IN, integrase; TFP, transframe protein. Retrieved from http://www.hiv.lanl.gov/.