An HIV-1 antibody from an elite neutralizer implicates the fusion peptide as a site of vulnerability. by van Gils, M, van den Kerkhof, T, Ozorowski, G, Cottrell, C, Sok, D, Pauthner, M, Pallesen, J, de Val, N, Yasmeen, A, de Taeye, S, Schorcht, A, Gumbs, S, Johanna, I, Saye-Francisco, K, Liang, C, Landais, E, Nie, X, Pritchard, L, Crispin, M, Kelsoe, G, Wilson, I, Schuitemaker, H, Klasse, P, Moore, J, Burton, D, Ward, A, Sanders, R