Table 1.

Binding Scores (Number of H Bonds) of Rh2 and PPD With Different Aquaporin Water Channels, ATP-Binding Pocket or the VEGF-Binding Site of VEGFR2.

Molecules	Binding score (kJ/mol) (number of H-bonding)
	VEGFR2a	VEGFR2b	AQP1	AQP2	AQP4	AQP5
Rh2	−7.6 (1)	−7.1 (2)	−8.1 (2)	−5.2 (1)	−6.3 (3)	−8.1 (4)
PPD	−8.2 (1)	−6.9 (1)	−8.4 (0)	−6.9 (0)	−5.6 (0)	−7.7 (1)

^aATP-binding pocket of the receptor.

^bVEGF binding site of the receptor.