| GO | Name |
| GO:0005739 | mitochondrion |
| GO:0006730 | one-carbon metabolic process |
| GO:0022857 | transmembrane transporter activity |
| GO:0022889 | serine transmembrane transporter activity |
| GO:0031305 | integral component of mitochondrial inner membrane |
| GO:0140300 | serine import into mitochondrion |
| GO:1990542 | mitochondrial transmembrane transport |