Cytosolic Copper Binding by a Bacterial Storage Protein and Interplay with Copper Efflux
Abstract
:1. Introduction
2. Results
2.1. Growth of WT and ΔcopA E. coli as a Function of Cu Concentration
2.2. Complementation Studies of ΔcopA E. coli
2.3. Testing the Ability of BsCsp3 to Confer Resistance to Cu Toxicity in E. coli
2.4. Testing the Ability of MtCsp3 to Confer Resistance to Cu Toxicity in E. coli
2.5. Investigating Intracellular Cu Binding by BsCsp3 in E. coli
3. Discussion
4. Materials and Methods
4.1. Analysis of WT and the copA Deletion Strains of E. coli BW25113 and the Influence of BsCsp3 Overexpression
4.2. Purification and Cu(I)-Binding Stoichiometry of BsCsp3
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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E. coli Strain and Added Cu(NO3)2 Concentration | [Cu(I)] (µM) | [BsCsp3] (µM) | [Cu(I)]/[BsCsp3] 2 |
---|---|---|---|
ΔcopA in 1.0 mM Cu(NO3)2 | 50.9 | 45.7 | 1.1 |
ΔcopA in 1.5 mM Cu(NO3)2 | 162 | 39.1 | 4.1 |
WT in 1.5 mM Cu(NO3)2 | 166 | 38.7 | 4.3 |
WT in 3.4 mM Cu(NO3)2 | 189 | 20.2 | 9.4 3 |
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Lee, J.; Dennison, C. Cytosolic Copper Binding by a Bacterial Storage Protein and Interplay with Copper Efflux. Int. J. Mol. Sci. 2019, 20, 4144. https://doi.org/10.3390/ijms20174144
Lee J, Dennison C. Cytosolic Copper Binding by a Bacterial Storage Protein and Interplay with Copper Efflux. International Journal of Molecular Sciences. 2019; 20(17):4144. https://doi.org/10.3390/ijms20174144
Chicago/Turabian StyleLee, Jaeick, and Christopher Dennison. 2019. "Cytosolic Copper Binding by a Bacterial Storage Protein and Interplay with Copper Efflux" International Journal of Molecular Sciences 20, no. 17: 4144. https://doi.org/10.3390/ijms20174144
APA StyleLee, J., & Dennison, C. (2019). Cytosolic Copper Binding by a Bacterial Storage Protein and Interplay with Copper Efflux. International Journal of Molecular Sciences, 20(17), 4144. https://doi.org/10.3390/ijms20174144