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INMAD ubiquitination of Pom33 drives its INM distribution. a A pool of Pom33 (magenta) is ubiquitinated (yellow), and contributes to its INM distribution. b When ASI1 is deleted, Pom33 aggregates into one or more foci at the INM. These foci colocalize with a subset of Nups, such as Nup188 (purple). c When a single ubiquitin was added back to Pom33 at its N-terminus, Pom33 re-distributed in the INM, even in the absence of Asi1
