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|Jmol-3D images||Image 1|
|Molar mass||526.60 g mol−1|
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
A desmosine cross-link is formed from three allysyl side chains plus one unaltered lysyl side chain from the same or neighbouring polypeptides. Detection of desmosine in urine, plasma or sputum samples can be a marker for elastin breakdown due to high elastase activity related to certain diseases.  
It is found in elastin. Desmosine causes a yellow color.
This desmosine is responsible for the rubber properties of elastin.
- Millipore product catalogue, purified desmosine http://www.millipore.com/catalogue/item/263275-5mg
- Ma, Turino and Lin, J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Jul 1;879(21):1893-8, Quantitation of Desmosine and Isodesmosine in Urine, Plasma and Sputum by LC-MS/MS as biomarkers for elastin degradation, http://www.ncbi.nlm.nih.gov/pubmed/21621489
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