In the bottom panel. Each oval shape in the diagrammatic representation indicates one FXFG repeat. (1) Epigenetically expressed WT (3HA:nup124), YNB58; (2) Null mutant containing an empty vector (nmt81:empty vector), YNB893; (3) PROTfs, YNB10; (4) INfs, YNB11; (5 and 6) Nup124 FXFG1-2, YNB59; (7 and 8) Nup124 FXFG3-7, YNB235; (9 and 10) Nup124 FXFG8-9, YNB236; (11 and 12) Nup124 FXFG10-11, YNB65;