Table 2.

Key interacting residues between RBD of spike protein of different corona viruses and host receptor ACE2 of human, bat, mouse civet and different avian species (modified from Dong et al. 2020).

41	42	45	79	82	83	90	325	329	353	Amino Acid (aa) position relative to human ACE2
Y	E	L	N	R	F	D	E	T	K	Gallas ACE2
Y	E	L	N	N	F	D	E	K	K	Anas ACE2
Y	E	L	N	N	F	D	E	K	K	Tadorna ACE2
Y	E	L	N	S	F	D	E	K	K	Anser ACE2
Y	Q	V	L	T	Y	D	Q	E	K	Civet ACE2
Y	Q	L	T	S	F	T	Q	A	H	Mouse ACE2
Y	Q	L	I	N	F	N	P	T	H	Rat ACE2
H	E	L	L	T	Y	N	P	N	K	Bat ACE2
Y	Q	L	L	M	Y	N	Q	E	K	Human ACE2
Y484	Y436	Y484	L472	L472	Y475	T402	R426	R426	Y491	Human SARS
Y485	Y437	Y485	F473	F473	Y476	T403	R427	R427	Y492	BatSARS-likeCoV-WIV1
Q498	Y449	Q498	F486	F486	Y489	T415	N439	N439	Y455	SARS-CoV-2
N474	G439	N474	E462	E462	V465	T410	A434	A434	Y481	Bat SARS-like CoV SL-CoVZXC21
N473	G435	N471	G459	G459	V462	T406	A430	A430	Y481	Bat SARSr-CoV HKU3-1

The table is shaded to make its representation more attractive.