Table 3.

The composition of amino acids in CRF01_AE HIV-1 gp120 V3 loop.

The composition of amino acids in CRF01_AE HIV-1 gp120 V3 loop / %
CCR5-using (sequences = 227)																	Amino acid			CXCR4-using (sequences = 114)
																100.0	C	1	C	100.0
												0.9	S	7.0	I	92.1	T	2	T	95.6	I	4.4
																100.0	R	3	R	99.1	K	0.9
														0.4	L	99.6	P	4	P	100.0
				0.9	Y	0.9	G	1.3	D	1.3	A	3.5	N	4.4	F	87.7	S	5	S	67.5	F	27.2	Y	2.6	G	1.8	D	0.9
												1.3	D	1.8	T	96.9	N	6	N	77.1	D	7.9	K	7.0	T	2.6	E	1.8	R	1.8	G	0.9	I	0.9
																100.0	N	7	N	82.4	K	9.6	Y	4.4	I	1.8	H	0.9	S	0.9
								0.4	R	0.4	Q	1.3	I	2.2	K	95.7	T	8	T	52.5	I	22.8	V	13.2	K	5.3	R	2.6	A	0.9	F	0.9	M	0.9	Q	0.9
														2.2	I	97.8	R	9	R	92.9	K	5.3	E	1.8
				0.4	R	0.4	I	0.9	V	0.9	Q	0.9	E	7.9	K	88.6	T	10	T	59.6	K	16.7	I	7.0	A	4.4	Q	3.5	R	3.5	V	2.6	E	1.8	S	0.9
														10.6	G	89.4	S	11	S	57.9	R	33.3	K	5.3	G	3.5
				0.4	Q	0.4	A	1.3	L	13.2	T	13.7	V	19.4	M	51.6	I	12	M	32.4	T	25.4	I	19.3	V	14.9	S	2.6	A	1.8	F	1.8	L	1.8
		0.4	I	2.6	A	4.0	N	4.8	S	15.0	P	15.0	H	19.4	R	38.8	T	13	T	45.5	R	36.8	P	5.3	H	4.4	S	4.4	A	1.8	F	0.9	N	0.9
						0.4	T	0.4	F	0.9	L	1.8	V	7.9	M	88.6	I	14	I	65.6	M	23.7	R	2.6	F	1.8	L	1.8	T	1.8	A	0.9	K	0.9	V	0.9
														1.3	A	98.7	G	15	G	100.0
																100.0	P	16	P	97.4	L	2.6
												0.4	L	0.4	A	99.2	G	17	G	99.1	A	0.9
		0.4	S	0.4	L	0.4	I	0.9	M	1.8	H	2.6	K	10.1	R	83.4	Q	18	Q	45.5	R	28.1	H	16.7	K	8.8	T	0.9
				1.3	S	2.2	L	2.6	I	4.4	T	5.7	M	10.6	A	73.2	V	19	V	85.1	A	6.1	I	2.6	M	2.6	P	1.8	R	0.9	T	0.9
						0.4	V	0.9	I	1.3	Y	2.2	W	5.7	L	89.5	F	20	F	78.8	Y	13.2	W	2.6	L	1.8	V	1.8	C	0.9	I	0.9
														4.0	F	96.0	Y	21	Y	92.9	F	5.3	H	1.8
				0.4	T	0.9	S	0.9	A	1.8	G	4.0	Q	11.9	K	80.1	R	22	R	58.8	K	22.8	S	14.0	G	2.6	Q	0.9	T	0.9
		0.4	S	0.4	R	0.4	M	0.4	E	0.4	A	0.9	I	1.8	P	95.3	T	23	T	94.6	I	1.8	Q	1.8	R	1.8
														1.8	E	98.2	G	24	G	87.7	E	7.0	D	3.5	K	0.9	N	0.9
				0.4	S	0.9	Q	0.9	N	0.9	G	2.6	A	38.3	E	56.0	D	25	E	42.0	D	30.7	S	7.9	G	7.0	A	4.4	N	4.4	K	1.8	Q	0.9	T	0.9
												0.4	L	3.5	V	96.1	I	26	I	92.1	M	4.4	V	2.6	L	0.9
				0.4	S	0.4	L	0.4	A	0.9	K	4.0	V	13.7	T	80.2	I	27	I	55.1	T	24.6	V	7.0	L	3.5	R	2.6	A	1.8	S	1.8	E	0.9	G	0.9	M	0.9	Q	0.9
																100.0	G	28	G	100.0
														11.5	N	88.5	D	29	D	94.7	N	5.3
												0.4	T	0.4	P	99.2	I	30	I	98.2	P	0.9	T	0.9
														0.9	K	99.1	R	31	R	97.3	K	1.8	W	0.9
0.4	L	0.4	G	0.4	E	1.3	N	2.2	S	4.4	A	9.7	R	26.0	Q	55.2	K	32	K	77.2	R	14.9	Q	7.0	N	0.9
														0.4	V	99.6	A	33	A	100.0
				0.4	W	0.4	S	0.4	Q	0.4	G	6.2	H	8.8	F	83.4	Y	34	Y	81.5	H	9.6	F	4.4	N	1.8	A	0.9	Q	0.9	R	0.9
																100.0	C	35	C	100.0

A, alanine; C, cysteine; D, aspartic acid; E, glutamic acid; F, phenylalanine; G, glycine; H, histidine; I, isoleucine; K, lysine; L, leucine; M, methionine; N, asparagine; P, proline; Q, glutamine; R, arginine; S, serine; T, threonine; V, valine; W, tryptophan; Y, tyrosine. The colors indicate different percentage of amino acids. The lower the percentage of amino acid, lighter the color.