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Protein primary structure and posttranslational modifications
General: Protein biosynthesis | Peptide bond | Proteolysis | Racemization | N-O acyl shift
N-terminus: Acetylation | Formylation | Myristoylation | Pyroglutamate | methylation | glycation | myristoylation (Gly) | carbamylation
C-terminus: Amidation | Glycosyl phosphatidylinositol (GPI) | O-methylation | glypiation | ubiquitination | sumoylation
Lysine: Methylation | Acetylation | Acylation | Hydroxylation | Ubiquitination | SUMOylation | Desmosine | deamination and oxidation to aldehyde| O-glycosylation | imine formation | glycation | carbamylation
Cysteine: Disulfide bond | Prenylation | Palmitoylation
Serine/Threonine: Phosphorylation | Glycosylation
Tyrosine: Phosphorylation | Sulfation | porphyrin ring linkage | flavin linkage | GFP prosthetic group (Thr-Tyr-Gly sequence) formation | Lysine tyrosine quinone (LTQ) formation | Topaquinone (TPQ) formation
Asparagine: Deamidation | Glycosylation
Aspartate: Succinimide formation
Glutamine: Transglutamination
Glutamate: Carboxylation | polyglutamylation | polyglycylation
Arginine: Citrullination | Methylation
Proline: Hydroxylation
←Amino acids Secondary structure→
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