A multidrug ABC transporter with a taste for salt. by Velamakanni, S, Lau, C, Gutmann, D, Venter, H, Barrera, N, Seeger, M, Woebking, B, Matak-Vinkovic, D, Balakrishnan, L, Yao, Y, U, E, Shilling, R, Robinson, C, Thorn, P, van Veen, H