Table 8.

Hydrogen bond interactions of ChQ, HChQ, H₃PO₄ and H₂SO₄.

Standard drug	Index	Residue	AA	Distance (Å)		Donor Angle	Donor atom	Acceptor atom
				H-A	D-A
ChQ	1	6A	SER	3.04	3.78	134.72	6 [O3]	1693 [N3]
HChQ	1	34A	ASN	3.64	4.03	106.32	206 [Nam]	1703 [N2]
	2	35A	THR	2.48	3.02	114.53	212 [O3]	1698 [O3]
H3PO4	1	34A	ASN	3.31	3.66	103.60	1688 [O3]	205 [O2]
	2	35A	THR	2.15	2.90	132.34	212 [O3]	1692 [O3]
	3	35A	THR	2.26	2.99	131.83	1692 [O3]	210 [O2]
H2SO4	1	35A	THR	2.10	2.88	136.45	212 [O3]	1689 [O3]
	2	35A	THR	2.41	2.89	109.89	1689 [O3]	210 [O2]