| Gene Name | ORF Name | Function GO Term | Process GO Term | Component GO Term | Interacting Genes | Description | Gene Product | Phenotype |
| AAC1 | YMR056C | ATP:ADP antiporter activity | ATP/ADP exchange | mitochondrial inner membrane | YLL013C YHR005C-A YBR217W YER171W | minor species of mitochondrial ADP/ATP translocator, highly homologous to PET9 (AAC2) and AAC3 | ADP/ATP translocator | Null mutant is viable, shows altered colony morphology |
| AAC3 | YBR085W | ATP:ADP antiporter activity | ATP/ADP exchange | mitochondrial inner membrane | YHR135C YBR217W YML058W YJL173C YGR262C YDL059C YER171W YER161C YOR181W | highly homologous to PET9 (AAC2) and AAC1; expression occurs only under anaerobic conditions | ADP/ATP translocator | Null mutant is viable; pet9,aac3 double null mutant is inviable under anaerobic conditions |
| DAL4 | YIR028W | allantoin permease activity | allantoin transport | membrane | | allantoin transport | allantoin permease | Null mutant is viable, lacks allantoin transport capability |
| FCY2 | YER056C | cytosine-purine permease activity | purine transport* | plasma membrane | | purine-cytosine permease | purine-cytosine permease | Null mutant is viable |
| FUI1 | YBL042C | uridine transporter activity | uridine transport | plasma membrane | YER021W YBR021W YLR039C YJL062W | uridine permease | uridine permease | Null mutant is viable, resistant to 5-fluorouridine and does not grow on media containing uridine as |
| FUN26 | YAL022C | nucleoside transporter activity | nucleoside transport | membrane* | YGL132W | predicted membrane protein | | Null mutant is viable |
| FUR4 | YBR021W | uracil permease activity | uracil transport | plasma membrane | YOR128C YEL021W YBL042C | uracil permease | uracil permease | Null mutant is viable |
| PET9 | YBL030C | ATP:ADP antiporter activity | ATP/ADP exchange | mitochondrial inner membrane | YGL137W YBR017C YKR026C YBL050W | the major mitochondrial ADP/ATP translocator; highly homologous to AAC1 and AAC3 | ADP/ATP translocator | null is viable but petite (unable to grow on non-fermentable carbon sources); pet9,aac3 double null |