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posttranslational modification
(redirected from Posttranslational modifications)

   Also found in: Wikipedia 0.01 sec.
posttranslational modification [‚pōs·tranz¦lā·shən·əl ‚mäd·ə·fə′kā·shən]
(cell and molecular biology)
Any polypeptide alteration that occurs after synthesis of the chain.


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INTRODUCTION Posttranslational modifications (PTMs) are a chemical process of modifying a protein's chemical or structural properties after the translation of the protein has been completed.
Methylation, acetylation, phosphorylation, glycosylation, posttranslational cleavage, and the addition of lipid groups are examples of posttranslational modifications.
Coverage begins with blood components and blood plasma proteins, followed by discussion of domains, motifs and repeats; protein families; and posttranslational modifications.
 
 
 
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