Table 5. Hydrogen bond interaction parameters for each compound with CD13 residues.

Receptor	Compound	Donor atom	Receptor atom	Distances (Å)
CD13	ZINC000000895551	A:ALA819:O	ZINC000000895551:H28	1.99
		A:GLU364:OE2	ZINC000000895551:H32	2.56
		A:GLU364:OE1	ZINC000000895551:H25	2.44
		A:SER307:OG	ZINC000000895551:H30	3.00
		A:THR820:O	ZINC000000895551:H31	2.27
	ZINC000014820583	A:ALA819:O	ZINC000014820583:H34	2.01
		A:GLU364:O	ZINC000014820583:H30	2.47
		A:SER307:OG	ZINC000014820583:H36	2.92
		A:THR820:O	ZINC000014820583:H37	2.24
	ZINC000001532730	A:THR820:OG1	ZINC000001532730:H38	2.86
		A:THR820:O	ZINC000001532730:H36	2.31