Desmosine

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Desmosine
Molecular formula C24H40N5O8
Molar mass 526.603
CAS number [11003-57-9]
PubChem 25435
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

A desmosine cross-link is formed when three allysyl side chains plus one unaltered lysl side chain from the same or neighbouring polypeptides.

It is found in elastin.


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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