28010
The dynamic , posttranslational modification of proteins with a small ubiquitin - like modifier ( SUMO ) tag has been recognized as an important cellular regulatory mechanism relevant to a number of cancers as well as normal embryonic development .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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