Research Article

N-Substituted Phenylhydrazones Kill the Ring Stage of Plasmodium falciparum

Table 2

Results of blind and local docking of PHN1, PHN2, PHN3, PHN4, PHN5, and PHN6 with plasmepsin II (PDB ID: 1LF3), plasmepsin IV (PDB ID: 1LS5), and falcipain-2 protease (PDB ID: 6SSZ).

CompoundsBinding energy (kcal/mol)
Plasmepsin II (1LF3)Plasmepsin IV (1LS5)Falcipain-2 (6SSZ)
B1B2L1L2B1B2L1L2B1B2L1L2

PHN1-8.3-7.9-8.0-8.0-8.4-8.3-8.3-8.3-7.3-6.9-7.4-7.2
PHN2-7.5-7.3-7.6-7.7-7.1-7.1-7.5-7.4-6.8-6.6-6.9-6.9
PHN3-7.3-7.3-7.2-7.3-7.4-7.2-7.7-7.7-7.1-7.1-6.8-6.9
PHN4-7.5-7.6-7.6-7.6-7.8-7.6-7.4-7.6-6.8-6.3-6.7-6.6
PHN5-7.4-7.37.4-7.4-7.6-7.6-7.8-7.6-6.1-6.0-7.0-7.0
PHN6-7.3-7.3-7.6-7.6-7.6-7.6-7.8-7.8-6.5-6.2-7.1-7.1
Chloroquine-6.3-6.2-6.2-6.2-6.4-6.5-6.5-6.4-5.8-5.9-5.9-5.8

B1 = first round of blind docking; B2 = second round of blind docking; L1 = first round of local docking; L2 = second round of local docking.