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Molecular mechanisms for proton transport in membranes.
Open accessAbstract
Likely mechanisms for proton transport through biomembranes are explored. The fundamental structural element is assumed to be continuous chains of hydrogen bonds formed from the protein side groups, and a molecular example is presented. From studies in ice, such chains are predicted to have low impedance and can function as proton wires. In addition, conformational changes in the protein may be linked to the proton conduction. If this possibility is allowed, a simple proton pump can be described that can be reversed into a molecular motor driven by an electrochemical potential across the membrane.
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Cited by
The chemical logic of a minimum protocell
Morowitz, H. J., Heinz, B., & Deamer, D. W. (1988) · Origins of life and evolution of the biosphere · doi:10.1007/bf01804674 · Cited by 239
Self-citationSingle-chain heteropolymers transport protons selectively and rapidly
Jiang, T., Hall, A., Eres, M., Hemmatian, Z., Qiao, B., Zhou, Y., Ruan, Z., Couse, A. D., Heller, W. T., Huang, H., et al. (2020) · Nature · doi:10.1038/s41586-019-1881-0 · Cited by 122
Toward Theoretical Analyis of Long-Range Proton Transfer Kinetics in Biomolecular Pumps
König, P. H., Ghosh, N., Hoffmann, M., Elstner, M., Tajkhorshid, E., Frauenheim, T., & Cui, Q. (2006) · The Journal of Physical Chemistry A · doi:10.1021/jp052328q · Cited by 114
Multiscale multiphysics and multidomain models—Flexibility and rigidity
Xia, K., Opron, K., & Wei, G.-W. (2013) · The Journal of Chemical Physics · doi:10.1063/1.4830404 · Cited by 88
Self-assembly and function of primitive cell membranes
Pohorille, A., & Deamer, D. (2009) · Research in Microbiology · doi:10.1016/j.resmic.2009.06.004 · Cited by 96
Metadata
- Authors
- Nagle, J. F., & Morowitz, H. J.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1978-01
- Volume
- 75
- Issue
- 1
- Pages
- 298-302
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2045120197
- Cited by
- 581
- References
- 0
- FWCI
- 8.06
- Type
- journal article
- Language
- en
- Open access
- green
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- Nagle, J. F., & Morowitz, H. J. (1978). Molecular mechanisms for proton transport in membranes. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.75.1.298
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