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Phase Diagram of Self-assembled Viral Capsid Protein Polymorphs
Abstract
We present an experimental study of the self-assembly of capsid proteins of the cowpea chlorotic mosaic virus (CCMV), in the absence of the viral genome, as a function of pH and ionic strength. In accord with previous measurements, a wide range of polymorphs can be identified by electron microscopy, among them single and multiwalled shells and tubes. The images are analyzed with respect to size and shape of aggregates, and evidence is given that equilibrium has been achieved, allowing a phase diagram to be constructed. Some previously unreported structures are also described. The range and stability of the polymorphs can be understood in terms of electrostatic interactions and the way they affect the spontaneous curvature of protein networks and the relative stabilities of pentamers and hexamers.
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Cited by
Bioengineering virus‐like particles as vaccines
Lua, L. H. L., Connors, N. K., Sainsbury, F., Chuan, Y. P., Wibowo, N., & Middelberg, A. P. J. (2014) · Biotechnology and Bioengineering · doi:10.1002/bit.25159 · Cited by 355
Relative humidity in droplet and airborne transmission of disease
Božič, A., & Kanduč, M. (2021) · Journal of Biological Physics · doi:10.1007/s10867-020-09562-5 · Cited by 142
Metadata
- Authors
- Lavelle, L., Gingery, M., Phillips, M., Gelbart, W. M., Knobler, C. M., Cadena-Nava, R. D., Vega-Acosta, J. R., Pinedo-Torres, L. A., & Ruiz-Garcia, J.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-01-06
- Volume
- 113
- Issue
- 12
- Pages
- 3813-3819
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2085991316
- Cited by
- 170
- References
- 0
- FWCI
- 4.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Phase Diagram of Self-assembled Viral Capsid Protein Polymorphs. https://app.cochat.ai/papers/10.1021/jp8079765
- The paper
- Lavelle, L., Gingery, M., Phillips, M., Gelbart, W. M., Knobler, C. M., Cadena-Nava, R. D., Vega-Acosta, J. R., Pinedo-Torres, L. A., & Ruiz-Garcia, J. (2009). Phase Diagram of Self-assembled Viral Capsid Protein Polymorphs. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp8079765
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