Throughout the years, we have counted on R.J. Silbey (MIT, USA) and J.H. van der Waals (Leiden University, NL) for their constructive ideas and valuable support. We further thank Govindjee not only for editing this manuscript but also for his persistence and patience with us. The study was financially supported by the Netherlands Foundation for Physical Research (FOM) and the Council for Chemical Research of the Netherlands Organisation for GSK2399872A research buy Scientific Research (NWO-CW). Open Access This article is distributed under the terms of the Creative Commons Attribution
Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited. References Agarwal R, Rizvi AH, Prall BS, Olsen JD, Hunter CN, Fleming GR (2002) Nature of disorder and inter-complex energy transfer in LH2 at room temperature: a three-pulse
photon echo peak shift study. J Phys Chem A 106:7573–7578CrossRef Alden RG, Johnson E, Nagarajan V, Selleckchem Pexidartinib Parson WW, Law CJ, Cogdell RG (1997) Calculations of spectroscopic properties of the LH2 bacteriochlorophyll-protein antenna complex from Rhodopseudomonas acidophila. J Phys Chem B 101:4667–4680CrossRef Anderson PW, Halperin BI, Varma CM (1972) Anomalous low-temperature thermal properties of glasses and spin glasses. Philos Mag 25:1–9CrossRef Bai YS, Fayer MD (1988) Optical dephasing in glasses: theoretical comparison FK228 of the incoherent photon echo, accumulated grating echo, and two-pulse photon echo experiments. Chem Phys 128:135–155CrossRef Bai YS, Fayer MD (1989) Time scales and optical dephasing measurements: investigation of dynamics in complex systems. Phys Rev B 39:11066–11084CrossRef Baier J, Richter MF, Cogdell RJ, Oellerich S, Köhler J (2007) Do proteins at low temperature behave as glasses? A single-molecule study. J Phys Chem B 111:1135–1138PubMedCrossRef Baier J, Richter MF, Cogdell RJ, Oellerich S, Köhler J (2008) Determination of
the spectral diffusion kernel of a protein by single-molecule spectroscopy. Phys Idoxuridine Rev Lett 100:018108-1-4 Barber J (2008) Crystal structure of the oxygen-evolving complex of photosystem II. Inorg Chem 47:1700–1710PubMedCrossRef Barkai E, Jung YJ, Silbey RJ (2004) Theory of single-molecule spectroscopy: beyond the ensemble average. Annu Rev Phys Chem 55:457–507PubMedCrossRef Beljonne D, Curutchet C, Scholes GD, Silbey RJ (2009) Beyond Förster resonance energy transfer in biological and nanoscale systems. J Phys Chem B 113:6583–6599PubMedCrossRef Berlin Y, Burin A, Friedrich J, Köhler J (2006) Spectroscopy of proteins at low temperature. Part I: experiments with molecular ensembles. Phys Life Rev 3:262–292CrossRef Berlin Y, Burin A, Friedrich J, Köhler J (2007) Low temperature spectroscopy of proteins.