GPCRdb in 2018: adding GPCR structure models and ligands. - Gáspár Pándy-Szekeres; Christian Munk; Tsonko M. Tsonkov; Stefan Mordalski; Kasper Harpsøe; Alexander S. Hauser; Andrzej J. Bojarski; David E. Gloriam (Nucleic Acids Res., 2018)