positive regulation of protein sumoylation
Any process that activates or increases the frequency, rate or extent of the addition of SUMO groups to a protein.
GO:0033233
regulation of protein sumoylation
is_a
GO:1903322
positive regulation of protein modification by small protein conjugation or removal
is_a
GO:0016925
protein sumoylation
positively_regulates
positive regulation of sumoylation
exact