Post-Translational Modification definitions Flashcards
Post-Translational Modification definitions
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Post-translational modifications Covalent alterations to proteins after translation, affecting their activity and function. Methylation Addition of a methyl group to a protein, modifying it covalently. Acetylation Process of adding an acetyl group to a protein, altering its function. Ubiquitination Attachment of ubiquitin, a small protein, to another protein, marking it for degradation. Phosphorylation Addition of a phosphate group to a protein, often regulating its activity. Hydroxylation Incorporation of a hydroxyl group into a protein, affecting its properties. Lipidation Attachment of a lipid to a protein, influencing its membrane association. Disulfide bonds Covalent linkages between sulfur atoms in proteins, stabilizing their structure. Sulfation Addition of a sulfur group to a protein, modifying its function. Glycosylation Attachment of a carbohydrate to a protein, impacting its stability and activity.
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