O-propargyl-puromycin (OPP) CAS:1416561-90-4 is an alkyne analog of puromycin that is efficiently incorporated into newly translated proteins, which are rapidly turned over by the proteasome and can be visualized or captured by copper(I)-catalyzed azide-alkyne cycloaddition. Unlike methionine analogs, OPP does not require methionine-free conditions and, uniquely, can be used to label and assay nascent proteins in whole organisms.
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![{2-[(4-{[Bis-(2-tert-butoxycarbonylamino-ethyl)-amino]-methyl}-benzyl)-(2-tert-butoxycarbonylamino-ethyl)-amino]-ethyl}-carbamic acid tert-butyl ester](https://e1752fbe.rocketcdn.me/wp-content/uploads/AP11945.png)