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Long-Lived Amide I Vibrational Modes in Myoglobin
Abstract
Pump-probe experiments in the infrared measure vibrational relaxation rates. Myoglobin, which is almost entirely alpha helix in secondary structure, has an unusually long, nonexponential excited state relaxation generated by optically pumping at the blue side ( 5. 85 microm) of the amide I band. The amino acid alanine and the predominantly beta sheet protein photoactive yellow protein do not have such a long-lived state, suggesting that the alpha helix in proteins can support nonlinear states of 15 ps characteristic times.
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Cited by
Observation of two-dimensional discrete solitons in optically induced nonlinear photonic lattices
Fleischer, J. W., Segev, M., Efremidis, N. K., & Christodoulides, D. N. (2003) · Nature · doi:10.1038/nature01452 · Cited by 1,345
Observation of Discrete Solitons in Optically Induced Real Time Waveguide Arrays
Fleischer, J. W., Carmon, T., Segev, M., Efremidis, N. K., & Christodoulides, D. N. (2003) · Physical Review Letters · doi:10.1103/physrevlett.90.023902 · Cited by 596
Discrete breathers in protein structures
Piazza, F., & Sanejouand, Y.-H. (2008) · Physical Biology · doi:10.1088/1478-3975/5/2/026001 · Cited by 75
Electron self-trapping in a discrete two-dimensional lattice
Brizhik, L., Eremko, A., Piette, B., & Zakrzewski, W. J. (2001) · Physica D Nonlinear Phenomena · doi:10.1016/s0167-2789(01)00332-3 · Cited by 66
Long-range energy transfer in proteins
Piazza, F., & Sanejouand, Y.-H. (2009) · Physical Biology · doi:10.1088/1478-3975/6/4/046014 · Cited by 58
Metadata
- Authors
- Xie, A., van der Meer, L., Hoff, W., & Austin, R. H.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2000-06-05
- Volume
- 84
- Issue
- 23
- Pages
- 5435-5438
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2043457046
- Cited by
- 208
- References
- 0
- FWCI
- 11.85
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xie, A., van der Meer, L., Hoff, W., & Austin, R. H. (2000). Long-Lived Amide I Vibrational Modes in Myoglobin. Physical Review Letters. https://doi.org/10.1103/physrevlett.84.5435
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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