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Accurate Computational Tools for Biomolecular Vibrational Spectroscopy (ActBio)

Project description

Simulating vibrational optical activity, advancing vibrational spectroscopy

Molecules are continually in motion, generating characteristic vibrations through atomic motion around their bonds, including stretching, bending and twisting. Vibrational spectroscopy analyses these vibrational frequencies non-invasively and non-destructively in real time, providing an important window on biomolecules and their functions in vivo. With the support of the Marie Skłodowska-Curie Actions programme, the ActBio project aims to expand the capabilities of vibrational spectroscopy by developing and applying tools for simulation and analysis of vibrational optical activity, the difference in absorbance or scattering of a chiral sample when exposed to left versus right circularly polarised radiation. This will enable the study of the properties of chiral molecules via their vibrational transitions.

Objective

Vibrational spectroscopy has evolved into many branches and proved to be increasingly efficient in studies of biomolecules and their functions in living organisms. To further increase its potential, in this project we will develop and apply user-friendly tools (ActBio) for simulation of the spectra beyond the harmonic level. We will focus on vibrational optical activity (VOA), because this spectroscopy reveals unique information about chiral molecules. Thanks to the recent instrumental developments in the hosting institute, nonfundamental bands can be captured with a high precision, and the simulation methods for these complex bands will help us to understand many molecular properties.
The project tightly combines both experiment and the theory, based world-recognized expertise in this field of the hosting institute and secondment laboratories. I will receive experimental training, further develop the extended perturbational approach to deal with the challenges of complicated biomolecular systems, such as large amplitude motions and solvent effects in polar and flexible molecules. Melanocyte-inhibiting factor is selected as a testing system for the developed computational models and protocols. In summary, ActBio will deliver accurate theoretical basis for spectroscopic biomolecular studies and will provide us with knowledge of molecular behavior needed for applications in chemistry, medicine, and biology.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

USTAV ORGANICKE CHEMIE A BIOCHEMIE, AV CR, V.V.I.
Net EU contribution
€ 166 278,72
Address
FLEMINGOVO NAM. 542/2
166 10 PRAHA 6
Czechia
Region
Česko Praha Hlavní město Praha
Activity type
Research Organisations
Links
Total cost
No data

Partners (2)