%0 Journal Article %1 arnold2014antigenic %A Arnold, P %A Himmels, P %A Weiss, S %A Decker, T M %A Markl, J %A Gatterdam, V %A Tampe, R %A Bartholomaeus, P %A Dietrich, U %A Durr, R %D 2014 %E Retrovirology, %J Retrovirology %K kalinke %P 42 %T Antigenic and 3D structural characterization of soluble X4 and hybrid X4-R5 HIV-1 Env trimers %V 11