Lipid binding attenuates channel closure of the outer membrane protein OmpF by Liko, I, Degiacomi, M, Lee, S, Newport, T, Gault, J, Reading, E, Hopper, J, Housden, N, White, P, Colledge, M, Sula, A, Wallace, B, Kleanthous, C, Stansfeld, P, Bayley, H, Benesch, J, Allison, T, Robinson, C