Complex Portal 2018: extended content and enhanced visualization tools for macromolecular complexes. - Birgit H. M. Meldal; Hema Bye-A-Jee; Lukás Gajdos; Zuzana Hammerová; Aneta Horácková; Filip Melicher; Livia Perfetto; Daniel Pokorný; Milagros Rodríguez-López; Alzbeta Türková; Edith D. Wong; Zengyan Xie; et al. (Nucleic Acids Res., 2019)