TABLE 1.

Characteristics of parental viruses

Participant identifier	Env clone name	Accession no.	Length (aa) and no. of PNGS of the indicated regiona
			V1V2		α2-V4		V4 alone		V5
			Length	PNGS	Length	PNGS	Length	PNGS	Length	PNGS
CAP45	CAP45.2.00.G3J	EF203960	66	5	75	7	22	3	17	1
CAP84	CAP84.2.00.32J	EF203963	66	5	77	6	24	4	16	1
CAP63	CAP63.2.00A9J	EF203973	72	6	83	5	30	2	17	3
CAP88	CAP88.2.00.B5J	EF203972	73	5	76	5	22	3	18	2
CAP206	CAP206.2.00.08J	EF203967	70	6	78	6	25	4	18	1
CAP239	CAP239.2.00.G3J	EF203983	64	5	84	9	31	6	20	2

^aaa, amino acids.