InterPro: an integrated documentation resource for protein families, domains and functional sites. by Mulder, N, Apweiler, R, Attwood, T, Bairoch, A, Bateman, A, Binns, D, Biswas, M, Bradley, P, Bork, P, Bucher, P, Copley, R, Courcelle, E, Durbin, R, Falquet, L, Fleischmann, W, Gouzy, J, Griffith-Jones, S, Haft, D, Hermjakob, H, Hulo, N, Kahn, D, Kanapin, A, Krestyaninova, M, Lopez, R, Letunic, I