Abstract
Covalent modification of cellular proteins by the ubiquitin-like modifier SUMO regulates various cellular processes, such as nuclear transport, signal transduction, stress response and cell-cycle progression. But, in contrast to ubiquitylation, sumoylation does not tag proteins for degradation, but seems to enhance their stability or modulate their subcellular compartmentalization.
MeSH terms
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Amino Acid Sequence
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Animals
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Humans
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Ligases / metabolism
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Molecular Sequence Data
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Proteins / metabolism
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SUMO-1 Protein
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Saccharomyces cerevisiae / genetics
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Saccharomyces cerevisiae / metabolism
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Sequence Homology, Amino Acid
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Ubiquitin-Conjugating Enzymes*
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Ubiquitins / genetics
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Ubiquitins / metabolism*
Substances
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Proteins
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SUMO-1 Protein
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Ubiquitins
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Ubiquitin-Conjugating Enzymes
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Ligases
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ubiquitin-conjugating enzyme UBC9