Protein fluorescence decay : a gamma function description of thermally induced interconversion of amino acid rotamers

Rolinski, O.J. and Scobie, K. and Birch, D.J.S. (2009) Protein fluorescence decay : a gamma function description of thermally induced interconversion of amino acid rotamers. Physical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 79 (5). 050901. ISSN 2470-0053 (https://doi.org/10.1103/PhysRevE.79.050901)

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Abstract

We present a description of fluorescence decay kinetics in complex environments based on gamma functions rather than the conventional approach using exponentials. The gamma function description is tested in measurements on the temperature dependence of the protein human serum albumin (HSA), N-acetyl tryptophanamide (NATA), and 2, 5-dipenyl oxazole (PPO). The monitoring of macromolecular structure and dynamics is demonstrated by means of distinct tryptophan (Trp) rotamer populations and their interconversion in HSA.

ORCID iDs

Rolinski, O.J. ORCID logoORCID: https://orcid.org/0000-0002-7838-779X, Scobie, K. and Birch, D.J.S. ORCID logoORCID: https://orcid.org/0000-0001-6400-1270;
  • Item type:Article
    ID code:16950
    Dates:
    Date
    Event
    28 May 2009
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:05 May 2010 15:01
    Last modified:11 Nov 2024 09:25
    URI:https://strathprints.strath.ac.uk/id/eprint/16950
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