Table 1.

List of names, functions, and length of proteins.^a

Name	Name-function	Length (aa)	Name	Name-function	Length (aa)
ORF1ab	ORF1ab polyprotein	7096	nsp14	3′-to-5′ exonuclease, proof reading during RNA synthesis	527
ORF1a	ORF1a polyprotein	4405	nsp15	endoRNAse, cleaves RNA at polyuridylate sites	346
nsp1	leader protein, inhibits host protein translation	180	nsp16	2′-o-ribose methyltransferase, in RNA capping	298
nsp2	nsp2, disrupts host cell cycle	638	nsp11	nsp11	13
nsp3	Protease, lowers host immune response, and host translation	1945	S	Surface glycoprotein	1273
nsp4	nsp4	500	ORF3a	ORF3a	275
nsp5	3C-like proteinase	306	E	Envelope protein	75
nsp6	nsp6	290	M	Membrane glycoprotein	222
nsp7	nsp7, primer synthesis and RNA replication	83	ORF6	ORF6	61
nsp8	nsp8, primer synthesis and RNA replication	198	ORF7a	ORF7a	121
nsp9	nsp9, interacts with DDX5 protein to facilitate replication of virus	113	ORF7b	ORF7b	43
nsp10	nsp10, mRNA cap methylation	139	ORF8	ORF8	121
RdRp	RNA-dependent RNA polymerase, RNA replication	932	N	Nucleocapsid phosphoprotein	419
nsp13	Helicase, activity during RNA replication	601	ORF10	ORF10	38

^aAdapted from Kadam et al. [64].