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Applying In Silico approaches for designing a chimeric InaV/N-DFPase protein and evaluating its binding with diisopropyl-fluorophosphate

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Allahyari H., Karami A., Tebyanian H., Nouri H. R., Khodi S., Farnoosh G., Arab S. S., Latifi A. M.

International Letters of Natural Sciences

2019

tom 75

The N-terminal domain of the ice-nucleation protein InaV (InaV-N) of Pseudomonas syringae was applied to display the DFPase on the cell surface. In silico techniques were used to generate a model in order to examine the possibility of DFPase exhibition on the cell surface. The secondary and tertiary structures of a chimeric protein were determined and then, the predicted model was subjected to several repeated cycles of stereochemical evaluation and energy minimization. The homology-modeled structure of the InaV/N-DFPase protein was docked to DFP. The optimized inaV/N-dfpase gene was translated to 519 amino acids. The minimum free energy of the best-predicted secondary structures was formed by RNA molecules (-215.45 kcal/mol). SOPMA analysis results showed that the main helix peak corresponded to the anchor fragment. Validation of the 3D model indicated that 86.1% of amino acid residues were incorporated into the favored regions. The moldock score was 360.22 for DFP. Results of this study indicated that according to in silico analysis, all of these findings were effective in targeting DFPase.

Ograniczanie wyników

1 International Letters of Natural Sciences

1 Allahyari H.

1 Arab S. S.

1 Farnoosh G.

1 Karami A.

1 Khodi S.

1 Latifi A. M.

1 Nouri H. R.

1 Tebyanian H.

1 2019

Wyniki wyszukiwania

Applying In Silico approaches for designing a chimeric InaV/N-DFPase protein and evaluating its binding with diisopropyl-fluorophosphate