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Updated: Jan 29, 2026

Author Spotlight: Advancing Structural and Biochemical Studies of Proteins Through Thermal Shift Assays
Published on: August 9, 2024
TSA-CRAFT: A Free Software for Automatic and Robust Thermal Shift Assay Data Analysis
Po-Hsien Lee1, Xi Xiao Huang1, Bin Tean Teh1,2,3,4
11 Cancer Science Institute of Singapore, National University of Singapore, Singapore.
A new software, Thermal Shift Assay-Curve Rapid and Automatic Fitting Tool (TSA-CRAFT), automates thermal shift assay (TSA) data analysis. This tool provides accurate results for drug discovery and structural biology applications.
Area of Science:
- Biochemistry
- Structural Biology
- Drug Discovery
Background:
- Thermal shift assay (TSA) is crucial for identifying protein stabilizers and ligands.
- Manual analysis of high-throughput TSA data is time-consuming and labor-intensive.
Purpose of the Study:
- To develop an automated software tool for analyzing thermal shift assay data.
- To improve the accuracy and efficiency of TSA data processing.
Main Methods:
- Development of the Thermal Shift Assay-Curve Rapid and Automatic Fitting Tool (TSA-CRAFT).
- TSA-CRAFT processes real-time PCR instrument data files.
- Utilizes Boltzmann equation fitting for data analysis.
Main Results:
- TSA-CRAFT enables automatic analysis of TSA data across various throughputs.
- The software provides more accurate results compared to the first-derivative method.
- Analyzed results are displayed directly in a web browser.
Conclusions:
- TSA-CRAFT offers a streamlined and accurate solution for TSA data analysis.
- The software is freely available as a standalone tool and web server.
- Facilitates applications in drug discovery and structural biology research.
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