ultraID : a compact and efficient enzyme for proximity-dependent biotinylation in living cells - Xiyan Zhao; Sebastian Bitsch; Lea Kubitz; Kerstin Schmitt; Lukas Deweid; Amélie Roehrig; Elisa Cappio Barazzone; Oliver Valerius; Harald Kolmar; Julien Béthune (bioRxiv beta, 2021)