Ensembl regulation resources. - Daniel R. Zerbino; Nathan Johnson; Thomas Juettemann; Daniel Sheppard; Steven P. Wilder; Ilias Lavidas; Michael Nuhn; Emily Perry; Quentin Raffaillac-Desfosses; Daniel Sobral; Damian Keefe; Stefan Gräf; et al. (Database J. Biol. Databases Curation, 2016)