YdfD, a Lysis Protein of the Qin Prophage, Is a Specific Inhibitor of the IspG-Catalyzed Step in the MEP Pathway of Escherichia coli
Abstract
:1. Introduction
2. Results
2.1. Protein-Protein Binding between YdfD and IspG
2.2. YdfD Forms Stable Complex with IspG in Solution
2.3. YdfD and IspG Interactions In Vitro and Vivo
2.4. The Intact YdfD Protein Is Required for Its Cell Lysis Function
2.5. mRNA Levels of ydfD Increased under Stress
2.6. Compensation Experiments
3. Discussion
4. Materials and Methods
4.1. Cell Strains and Plasmids Construction
4.2. Protein Expression and Purification
4.3. Mass Spectrometry
4.4. Pull-Down Assays
4.5. Cell Survival Assays
4.6. Stress Experiments
4.7. Fluorescence Resonance Energy Transfer
4.8. Isothermal Titration Calorimetry
4.9. Compensation Experiment
4.10. Scanning Electron Microscopy
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Accession | Protein | Physiological Function or Processes | Interaction with YdfD |
---|---|---|---|
A0A029II96 | GlmS | Hexosamine biosynthesis | No |
E1JEU9 | ErpA | A-type iron–sulfur carrier | No |
A7ZNX6 | FolE | Tetrahydrofolate biosynthesis | No |
A0A070S6E1 | IspG | MEP pathway | Yes |
A0A017JTH0 | IscS | Cysteine desulfurase | No |
D6I572 | LpxA | Lipid biosynthesis | No |
M8THF9 | CydA | Ubiquinol oxidase | No |
A0A017IFA8 | KdsA | Lipopolysaccharide biosynthesis | No |
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Lu, Z.; Wang, B.; Qiu, Z.; Zhang, R.; Zheng, J.; Jia, Z. YdfD, a Lysis Protein of the Qin Prophage, Is a Specific Inhibitor of the IspG-Catalyzed Step in the MEP Pathway of Escherichia coli. Int. J. Mol. Sci. 2022, 23, 1560. https://doi.org/10.3390/ijms23031560
Lu Z, Wang B, Qiu Z, Zhang R, Zheng J, Jia Z. YdfD, a Lysis Protein of the Qin Prophage, Is a Specific Inhibitor of the IspG-Catalyzed Step in the MEP Pathway of Escherichia coli. International Journal of Molecular Sciences. 2022; 23(3):1560. https://doi.org/10.3390/ijms23031560
Chicago/Turabian StyleLu, Zhifang, Biying Wang, Zhiyu Qiu, Ruiling Zhang, Jimin Zheng, and Zongchao Jia. 2022. "YdfD, a Lysis Protein of the Qin Prophage, Is a Specific Inhibitor of the IspG-Catalyzed Step in the MEP Pathway of Escherichia coli" International Journal of Molecular Sciences 23, no. 3: 1560. https://doi.org/10.3390/ijms23031560