Normal modes and the Duschinsky mixing of the ground- and excited-state vibrations of the green fluorescent protein chromophore

被引:7
作者
Gnanasekaran, Ramachandran [1 ]
机构
[1] Acad Sci Czech Republ, Inst Organ Chem & Biochem, CR-16610 Prague, Czech Republic
关键词
GAS-PHASE; GFP; SPECTRUM; DYNAMICS; ANALOG;
D O I
10.1016/j.cplett.2013.09.040
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ground-and excited-state vibrational frequencies were calculated for the chromophore of the green fluorescent protein (GFP) using the complete active space self-consistent field (CASSCF) method and detailed normal-mode analyses were carried out for ground and excited states. The mixing of the vibrational modes between the different states was studied by applying the Duschinsky effect by the expressing excited-state normal modes in terms of the ground-state normal modes. It was found that the low-frequency vibrational modes in the vertical excited state play a significant role in structural adjustment. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码:61 / 67
页数:7
相关论文
共 35 条
[21]   On the importance of higher order anharmonic molecular couplings [J].
Pearman, R ;
Gruebele, M .
JOURNAL OF CHEMICAL PHYSICS, 1998, 108 (16) :6561-6570
[22]   Vibrational spectra of adarnantanes X10H16 and diamantanes X14H20 (X = C, Si, Ge, Sn):: A theoretical study [J].
Ramachandran, Gnanasekaran ;
Manogaran, Sadasivam .
JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM, 2006, 766 (2-3) :125-135
[23]   A practical method for the use of curvilinear coordinates in calculations of normal-mode-projected displacements and Duschinsky rotation matrices for large molecules [J].
Reimers, JR .
JOURNAL OF CHEMICAL PHYSICS, 2001, 115 (20) :9103-9109
[24]   Fluorescent proteins: maturation, photochemistry and photophysics [J].
Remington, S. James .
CURRENT OPINION IN STRUCTURAL BIOLOGY, 2006, 16 (06) :714-721
[25]   Resonance Raman scattering by the green fluorescent protein and an analogue of its chromophore [J].
Schellenberg, P ;
Johnson, E ;
Esposito, AP ;
Reid, PJ ;
Parson, WW .
JOURNAL OF PHYSICAL CHEMISTRY B, 2001, 105 (22) :5316-5322
[26]   Franck-Condon simulation of the S1 → S0 spectrum of phenol [J].
Schumm, S ;
Gerhards, M ;
Kleinermanns, K .
JOURNAL OF PHYSICAL CHEMISTRY A, 2000, 104 (46) :10648-10655
[27]   QM/MM Methods for Biomolecular Systems [J].
Senn, Hans Martin ;
Thiel, Walter .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2009, 48 (07) :1198-1229
[28]   Vibrationally Resolved Absorption and Emission Spectra of Dithiophene in the Gas Phase and in Solution by First-Principle Quantum Mechanical Calculations [J].
Stendardo, E. ;
Ferrer, F. Avila ;
Santoro, F. ;
Improta, R. .
JOURNAL OF CHEMICAL THEORY AND COMPUTATION, 2012, 8 (11) :4483-4493
[29]   THEORETICAL-STUDY OF INTRAMOLECULAR VIBRATIONAL-RELAXATION OF ACETYLENIC CH VIBRATION FOR V = 1 AND 2 IN LARGE POLYATOMIC-MOLECULES (CX3)3YCCH, WHERE X = H OR D AND Y = C OR SI [J].
STUCHEBRUKHOV, AA ;
MARCUS, RA .
JOURNAL OF CHEMICAL PHYSICS, 1993, 98 (08) :6044-6061
[30]   ONIOM: A multilayered integrated MO+MM method for geometry optimizations and single point energy predictions. A test for Diels-Alder reactions and Pt(P(t-Bu)(3))(2)+H-2 oxidative addition [J].
Svensson, M ;
Humbel, S ;
Froese, RDJ ;
Matsubara, T ;
Sieber, S ;
Morokuma, K .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (50) :19357-19363