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posttranslational modification |
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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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Both their amino acid sequence (composition) and post-translational modifications (PTMs or attachments) are human. The cellular processes involved in post-translational modifications are highly dynamic and very localized, such that modifications can be added or removed very rapidly to a small portion of each protein population as the cell requires. Other factors associated with allergenic food proteins in relation to IgE-mediated allergy include resistance to digestion, stability in peptic and gastric fluids and the presence of post-translational modifications (12), which represent additional strategic targets for genetic modification. |
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