Pup conjugating enzyme activity
Isoenergetic transfer of Pup from one protein to another via the reaction X-Pup + Y = Y-Pup + X, where both the X-Pup and Y-Pup linkages are thioester bonds between the C-terminal amino acid of Pup and a sulfhydryl side group of a cysteine residue.
GO:0061650
ubiquitin-like protein conjugating enzyme activity
is_a
GO:0072496
Pup transferase activity
is_a
E2
broad