| GO | Name |
| GO:0002098 | tRNA wobble uridine modification |
| GO:0002143 | tRNA wobble position uridine thiolation |
| GO:0004792 | thiosulfate sulfurtransferase activity |
| GO:0005524 | ATP binding |
| GO:0005737 | cytoplasm |
| GO:0005829 | cytosol |
| GO:0006777 | Mo-molybdopterin cofactor biosynthetic process |
| GO:0016779 | nucleotidyltransferase activity |
| GO:0016783 | sulfurtransferase activity |
| GO:0032324 | molybdopterin cofactor biosynthetic process |
| GO:0032447 | protein urmylation |
| GO:0034227 | tRNA thio-modification |
| GO:0042292 | URM1 activating enzyme activity |
| GO:0046872 | metal ion binding |
| GO:0061604 | molybdopterin-synthase sulfurtransferase activity |
| GO:0061605 | molybdopterin-synthase adenylyltransferase activity |