Table 4.

Hydrogen bonds formed between two ACE inhibitory peptides and ACE.

Peptides	Donor Atom	Acceptor Atom	Distance (Å)	Active Pocket
FQIN [M(O)] CILR	A: ASN277: HD22	F: O125	2.39
	A: GLN281: HE22	F: O89	1.97	S2
	A: LYS511: HZ1	F: O89	2.02	S2
	A: LYS511: HZ3	F: O126	2.31	S2
	A: TYR523: HH	F: S63	2.24	S1
	F: H145	A: SER517: O	1.95
	F: H146	A: SER516: O	1.98
	F: H148	A: GLU123: OE1	2.14
	F: H158	A: HIS353: NE2	2.33	S2
	F: H161	A: GLU376: OE1	2.44
	F: H161	A: GLU: 376: OE2	2.03
	F: H163	A: GLU: 376: OE1	2.32
TGAPCR	A: GLN281: HE22	T: O2	2.06	S2
	A: LYS511: HZ1	T: O2	1.78	S2
	T: H71	A: GLU376: OE2	2.16
	T: H75	A: GLU384: OE2	2.26	S1
	T: H76	A: HIS353: NE2	2.24	S2
	T: H78	A: TYR394: OH	2.32
	T: H79	A: ARG402: O	2.41

F is an abbreviation of FQIN [M(O)] CILR; T is an abbreviation of TGAPCR.