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Project information
Saccharide - protein dispersion interactions involved in the bacterial recognition processes (SaProDI)

Information

This project doesn't include Institute of Computer Science. It includes Central European Institute of Technology. Official project website can be found on muni.cz.
Project Identification
2SGA2747
Project Period
8/2011 - 7/2013
Investor / Pogramme / Project type
South-Moravian Region
  • SoMoPro
  • Incoming grants
MU Faculty or unit
Central European Institute of Technology

Saccharide – protein interaction belongs to the most important biological interactions and these interactions are widespread in all living systems. Carbohydrates are involved in a lot of intra and extracellular signalling pathways. During the signalling process, all types of the intermolecular interactions are participated, including dispersion interaction, also known as CH/pi interactions, which belong to this group of the interactions.
This project will be focused on detailed description of the properties, additivity and behaviour of the carbohydrate-receptor CH/pi interaction. In this project we will be exploring the carbohydrate surroundings in order to find the dispersion interaction properties derived to the position in the space. Interaction energy of the optimized complexes will be recalculated using density functional method with the empirical dispersion corrections (DFT-D) and final energies of the optimized complexes will be computed at high ab-initio level using coupled cluster method at the complete basis set limit (CCSD(T)/CBS). Then we plan to do high level ab-initio calculation on different model lectins in which the dispersion interactions are dominant and to compare the calculated values with the experimentally measured ones. To observe corresponding value for the dispersion interaction energy, several lectin point mutants will be modelled and interaction energy will be. These mutants will also be cloned and expressed experimentally. The interaction energy will be measured by VP-ITC or SPR.

Publications

Total number of publications: 14

2013

2012

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