New Method to Measure O-linked GlcNAc Transferase Activity
Author Information
Author(s): Zhang Lianwen, Ren Feifei, Li Jing, Ma Xiaofeng, Wang Peng
Primary Institution: Nankai University
Hypothesis
A modified coupled enzyme method can effectively measure the activity of O-linked GlcNAc transferase (OGT).
Conclusion
The modified coupled enzyme method is practical and competitive for quantitative analysis of OGT.
Supporting Evidence
- The method allows for the continuous measurement of OGT activity.
- Kinetic studies showed that the method is effective for analyzing OGT in biological samples.
- The method can be applied to high-throughput assays.
Takeaway
Scientists created a new way to measure an important enzyme that helps proteins work properly. This method is easier and faster than older methods.
Methodology
The method involves measuring UDP produced in a reaction that OGT catalyzes, using a pyruvate assay kit to quantify the results.
Limitations
The detection limit of the method is at a micromolar concentration level, which may limit its application for low efficient glycosyltransferases.
Digital Object Identifier (DOI)
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