Inter-domain conformational flexibility underpins the activity of UGGT, the eukaryotic glycoprotein secretion checkpoint by Roversi, P, Marti, L, Caputo, A, Alonzi, D, Hill, J, Dent, K, Kumar, A, Levasseur, M, Lia, A, Waksman, T, Basu, S, Soto Albrecht, Y, Qian, K, Patrick McIvor, J, Lipp, C, Siliqi, D, Vasiljević, S, Mohammed, S, Lukacik, P, Walsh, M, Santino, A, Zitzmann, N