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Many proteins are modified following translation.

Sumoylation is a post-translational modification process similar to
Select Option acetylationubiquitylationmethylation
in regard to the type of enzymatic reactions. However, rather than
Select Option acetyl groupsubiquitinmethyl groups
, sumoylation involves addition of
Select Option small unique methyl modifierssmall ubiquitin-like modifierssmall unique acetyl modifiers
. Sumoylation is involved with many processes involving proteins such as the subcellular localization of proteins, protein partnering, and transactivation functions of transcription factors. The majority of proteins that are sumoylated are
Select Option cytoplasmicextracellularnuclear
proteins. Sumoylated proteins are covalently attached to
Select Option leucinesprolineslysines
residues in proteins.
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