Evidence of ball-and-chain transport of ferric enterobactin through FepA - Ma, Li; Kaserer, Wallace; Annamali, Rajasekeran; Scott, Daniel C.; Jin, Bo; Jiang, Xiaoxu; Xiao, Qiaobin; Maymani, Hossein; Massis, Liliana Moura; Ferreira, Luís Carlos de Souza; Newton, Salete M.; Klebba, Phillip E. (The Journal of Biological Chemistry, 2007)