The IntAct molecular interaction database in 2012. - Samuel Kerrien; Bruno Aranda; Lionel Breuza; Alan J. Bridge; Fiona Broackes-Carter; Carol Chen; Margaret J. Duesbury; Marine Dumousseau; Marc Feuermann; Ursula Hinz; Christine Jandrasits; Rafael C. Jiménez; et al. (Nucleic Acids Res., 2012)