Table 6.

Hydrogen bond-forming residues of chain C in SARS-CoV-2 spike glycoprotein and angiotensin-converting enzyme 2 (chain D).

##	Structure 1 (chain D)	Dist. (Å)	Structure 2 (chain C)
1	D: ASP 157[H]	2.04	C: GLU 484[OE2]
2	D: ASN 159[HD22]	1.96	C: GLN 493[OE1]
3	D: ASP 615[OD1]	1.86	C: LYS 417[HZ1]
4	D: ASP 615[OD2]	1.75	C: LYS 417[HZ2]
5	D: SER 280[O]	2.05	C: ASN 487[HD22]
6	D: TYR 252[OH]	1.97	C: TYR 489[HH]
7	D: ASP 157[OD1]	2.18	C: GLN 493[HE22]
8	D: TYR 613[O]	1.91	C: TYR 505[HH]