Issue 85, 2016

A general and versatile fluorescence turn-on assay for detecting the activity of protein tyrosine kinases based on phosphorylation-inhibited tyrosyl oxidation

Abstract

A simple, homogeneous and generic method for detecting protein tyrosine (Tyr) kinase activity is developed based on a tyrosinase-assisted fluorescence turn-on strategy. The tyrosinase-mediated oxidation of the Tyr residue in a fluorescently-labeled peptide may lead to efficient fluorescence quenching, while the tyrosine kinase-catalyzed phosphorylation of the peptide can prevent the Tyr oxidation and thus maintain strong fluorescence.

Graphical abstract: A general and versatile fluorescence turn-on assay for detecting the activity of protein tyrosine kinases based on phosphorylation-inhibited tyrosyl oxidation

Supplementary files

Article information

Article type
Communication
Submitted
27 Aug 2016
Accepted
09 Sep 2016
First published
09 Sep 2016

Chem. Commun., 2016,52, 12570-12573

A general and versatile fluorescence turn-on assay for detecting the activity of protein tyrosine kinases based on phosphorylation-inhibited tyrosyl oxidation

C. Jiang, Y. Li, C. Liu, L. Qiu and Z. Li, Chem. Commun., 2016, 52, 12570 DOI: 10.1039/C6CC07035C

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