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Original Research

Pharmacoinformatic and molecular docking studies reveal potential novel antidepressants against neurodegenerative disorders by targeting HSPB8

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Pages 1605-1618 | Published online: 06 May 2016

Figures & data

Table 1 Five BLAST aligned templates of HSPB8 with identity, query coverage, and E-values

Figure 1 Root mean square deviation (RMSD) versus time.

Notes: HSPB8 showed an increasing trend in RMSD in the first 2 ns. From 2 to 10 nanoseconds, RMSD value continuously increased, while it stabilized for the next 20 nanoseconds.
Figure 1 Root mean square deviation (RMSD) versus time.

Figure 2 Root mean square fluctuation (RMSF), showing residue fluctuations.

Note: Starting and ending residues showed higher fluctuations during molecular dynamic simulation.
Figure 2 Root mean square fluctuation (RMSF), showing residue fluctuations.

Figure 3 Average root mean square deviation (RMSD) values per frame.

Note: Average RMSD seemed to be higher at the start, then fell, depicting stabilization of the structure.
Figure 3 Average root mean square deviation (RMSD) values per frame.

Figure 4 Predicted HSPB8 structure simulated at 30 nanoseconds.

Figure 4 Predicted HSPB8 structure simulated at 30 nanoseconds.

Table 2 Compounds investigated in this study

Figure 5 2-D structures of investigated drugs.

Notes: (A) Fluoxetine; (B) fluvoxamine; (C) paroxetine; (D) ethacrynic acid.
Figure 5 2-D structures of investigated drugs.

Table 3 Bioinformative details and ligand properties of top four screened compounds

Figure 6 2-D structures of novel molecules.

Notes: (A) PB-765894052; (B) PB-411001374; (C) PB-411001436.
Figure 6 2-D structures of novel molecules.

Figure 7 The potential binding interactions of investigated drugs through LigPlot.

Notes: (A) Ethacrynic acid; (B) fluoxetine; (C) fluvoxamine; (D) paroxetine.
Figure 7 The potential binding interactions of investigated drugs through LigPlot.

Figure 8 Binding pocket and interacting residues of novel molecules.

Notes: (A) PB-765894052, (B) PB-411001374, (C) PB-411001436.
Figure 8 Binding pocket and interacting residues of novel molecules.

Figure 9 All the analyzed ligands bound at the same binding pocket in HSPB8.

Figure 9 All the analyzed ligands bound at the same binding pocket in HSPB8.