To judge the quality of our structural results, we concentrated here on three of the newest approaches: directional local resolution (Vilas et al., 2020 ▸), Q-score (Pintilie et al., 2020 ▸) and FSC-Q (Ramirez-Aportela, Maluenda et al., 2020 ▸). The first provides a measure of map quality, while the latter two focus on the relationship between the map and the structural model; in other words, how well the model is supported by the map density, without any other complementary piece of information.