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. 2021 May 26;24:100597. doi: 10.1016/j.imu.2021.100597

Table 6.

The binding free energy (KJ/mol) between TMPRSS2 with all three inhibitors calculated by MM-PBSA method.

Complex ΔEvdw ΔEelec ΔGpolar ΔGnon-polar ΔGbinding
TMPRSS2-Camostat mesylate −219.02 ± 33.63 −17.08 ± 8.31 104.399 ± 15.38 −19.656 ± 1.17 −151.36 ± 33.87
TMPRSS2-Nafamostat −188.60 ± 11.88 −3.02 ± 5.74 77.16 ± 10.05 −19.6 ± 0.72 −134.12 ± 17.01
TMPRSS2-Bromhexine hydrochloride −128.13 ± 13.98 −9.26 ± 7.377 42.77 ± 9.9 −13.03 ± 1.30 −107.67 ± 14.46