ubiquitin-like protein transferase activity SUMO transferase activity GO:0016930 Reactome:R-HSA-4615987 Reactome:R-HSA-4755536 Reactome:R-HSA-4341048 Reactome:R-HSA-6804468 Reactome:R-HSA-3968362 Reactome:R-HSA-2993790 Reactome:R-HSA-4085350 Reactome:R-HSA-4090408 Reactome:R-HSA-3000383 Reactome:R-HSA-4755494 Reactome:R-HSA-4085992 Reactome:R-HSA-3903017 Reactome:R-HSA-4755411 Reactome:R-HSA-4615900 Reactome:R-HSA-4085994 Reactome:R-HSA-4655440 Reactome:R-HSA-4615905 Reactome:R-HSA-4551679 Reactome:R-HSA-3000433 Reactome:R-HSA-4755526 Reactome:R-HSA-3000434 Reactome:R-HSA-3900047 Reactome:R-HSA-2993780 Reactome:R-HSA-4641342 Reactome:R-HSA-3000399 Reactome:R-HSA-9926476 Reactome:R-HSA-4641345 Reactome:R-HSA-4570467 molecular_function Reactome:R-HSA-4086059 Reactome:R-HSA-4551661 Reactome:R-HSA-4655431 Reactome:R-HSA-4570463 Reactome:R-HSA-4656914 Reactome:R-HSA-3900177 Reactome:R-HSA-6804485 Reactome:R-HSA-9920126 Reactome:R-HSA-4641350 Reactome:R-HSA-3927959 GO:0019789 Reactome:R-HSA-4085372 Reactome:R-HSA-2997616 Reactome:R-HSA-4615889 Reactome:R-HSA-4546386 Reactome:R-HSA-4546385 Reactome:R-HSA-4720446 Reactome:R-HSA-4551738 Reactome:R-HSA-4551616 Reactome:R-HSA-4546387 Reactome:R-HSA-4568846 Reactome:R-HSA-6790454 Reactome:R-HSA-4615872 Catalysis of the transfer of SUMO from one protein to another via the reaction X-SUMO + Y = Y-SUMO + X, where both X-SUMO and Y-SUMO are covalent linkages. Reactome:R-HSA-4568848 Reactome:R-HSA-4615873 Reactome:R-HSA-3968414 Reactome:R-HSA-3296126 Reactome:R-HSA-4720432 Reactome:R-HSA-4615910 Reactome:R-HSA-3000411 Reactome:R-HSA-4641362 Reactome:R-HSA-9940470 Reactome:R-HSA-3927824 Reactome:R-HSA-2993769 Reactome:R-HSA-4551721 Reactome:R-HSA-4341073 Reactome:R-HSA-4341072 Reactome:R-HSA-4570489 Reactome:R-HSA-2997723 Reactome:R-HSA-4341070 Reactome:R-HSA-4570528 Reactome:R-HSA-4551683 Reactome:R-HSA-4719448 Reactome:R-HSA-4719447 Reactome:R-HSA-4551727 Reactome:R-HSA-4655374 Reactome:R-HSA-4551604 Reactome:R-HSA-5682607 Reactome:R-HSA-4551724 Reactome:R-HSA-4570485 Reactome:R-HSA-3234081 Reactome:R-HSA-3465545 Reactome:R-HSA-3900070 Reactome:R-HSA-3900194 SMT3 conjugating enzyme Reactome:R-HSA-3108203 Reactome:R-HSA-3000348 Reactome:R-HSA-4086083 Reactome:R-HSA-5684052 Reactome:R-HSA-3234084 Reactome:R-HSA-4086088 Reactome:R-HSA-5228508 Reactome:R-HSA-8956365 Reactome:R-HSA-3108209 Reactome:R-HSA-4570493 Reactome:R-HSA-4719436 Reactome:R-HSA-4570499 Reactome:R-HSA-4085318 Reactome:R-HSA-4570496 Reactome:R-HSA-4090281 Reactome:R-HSA-4341016 Reactome:R-HSA-3927886 Reactome:R-HSA-4090288 Reactome:R-HSA-3234094 Reactome:R-HSA-3782535 Reactome:R-HSA-4090284 Reactome:R-HSA-3899291 Reactome:R-HSA-2997706 Reactome:R-HSA-4719423 Reactome:R-HSA-4615933 Reactome:R-HSA-4719424 Reactome:R-HSA-4568863 Reactome:R-HSA-4717521 Reactome:R-HSA-9940458 Reactome:R-HSA-2997709 Reactome:R-HSA-3247493 Reactome:R-HSA-4655355 Reactome:R-HSA-4616015 Reactome:R-HSA-4090390 Reactome:R-HSA-4568914 Reactome:R-HSA-3000449 Reactome:R-HSA-5228521 GO:0019949 Reactome:R-HSA-4341025 Reactome:R-HSA-4755479 Reactome:R-HSA-3232162 Reactome:R-HSA-4085296 Reactome:R-HSA-4551655 Reactome:R-HSA-4755478 Reactome:R-HSA-5228525 Reactome:R-HSA-5228523 Reactome:R-HSA-4085331 Reactome:R-HSA-4719413 Reactome:R-HSA-4570554 Reactome:R-HSA-4570553 Reactome:R-HSA-3108212 Reactome:R-HSA-4717461 Reactome:R-HSA-4086036 SUMO conjugating enzyme activity Reactome:R-HSA-4085347 Reactome:R-HSA-4551649 Reactome:R-HSA-4551648 Reactome:R-HSA-4615839 Reactome:R-HSA-4551768