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. 2021 Mar 1;23:101064. doi: 10.1016/j.genrep.2021.101064

Table 1.

Description and details of all genes and proteins of the SARS-CoV-2.

(a) The description and division of regions of a complete SARS-CoV-2 genome (reference genome nc-045512 from the GenBank).

(b) This table shows the location and number of amino acids for each gene/protein {the first gene ORF1ab expresses a polyprotein comprised of 16 nonstructural proteins (NSP's) shown in (c)}.

(c) The 16 NSP's {nonstructural proteins} from the SARS-CoV-2 polyprotein.

(a)
NC_045512.2 29903 nt
Start Stop Gene symbol Strand NCBI gene ID
1 266 21555 ORF1ab Plus 43740578
2 21563 25384 S Plus 43740568
3 25393 26220 ORF3a Plus 43740569
4 26245 26472 E Plus 43740570
5 26523 27191 M Plus 43740571
6 27202 27387 ORF6 Plus 43740572
7 27394 27759 ORF7a Plus 43740573
8 27756 27887 ORF7b Plus 43740574
9 27894 28259 ORF8 Plus 43740577
10 28274 29533 N Plus 43740575
11 29558 29674 ORF10 Plus 43740576



(b)
Gene Number (#) Gene Gene ID Location Protein
1 1 (7096) ORF1ab 43740578 266–21555 ORF1ab polyprotein
1 1 (4405) ORF1a 43740578 266–13483 ORF1a polyprotein
2 2 (1273) ORF2 (S) 43740568 21563–25384 Spike protein (S protein)
3 3 (275) ORF3a 43740569 25393–26220 ORF3a protein
4 4 (75) ORF4 (E) 43740570 26245–26472 Envelope protein (E protein)
5 5 (222) ORF5 (M) 43740571 26523–27191 Membrane protein (M protein)
6 6 (61) ORF6 43740572 27202–27387 ORF6 protein
7 7 (121) ORF7a 43740573 27394–27759 ORF7a protein
8 8 (43) ORF7b 43740574 27756–27887 ORF7b protein
9 9 (121) ORF8 43740577 27894–28259 ORF8 protein
10 10 (419) ORF9 (N) 43740575 28274–29533 Nucleocapsid phosphoprotein (N protein)
11 11 (38) ORF10 43740576 29558–29674 ORF10 protein



(c)
# Name Accession Amino acids Proposed function
(i) NSP1 YP_009725297.1 180 amino acids Induce host mRNA (leader protein) cleavage
(ii) NSP2 YP_009725298.1 638 amino acids Binds to PHBs 1, 2
(iii) NSP3a YP_009725299.1 1945 amino acids Release NSPs 1, 2, 3 (Papain like proteinase)
(iv) NSP4 YP_009725300.1 500 amino acids Membrane rearrangement
(v) NSP5a YP_009725301.1 306 amino acids Cleaves at 11 sites of (3C-like proteinase) NSP polyprotein
(vi) NSP6 YP_009725302.1 290 amino acids Generates autophagosomes
(vii) NSP7 YP_009725303.1 83 amino acids Dimerizes with NSP8
(viii) NSP8 YP_009725304.1 198 amino acids Stimulates NSP12
(ix) NSP9 YP_009725305.1 113 amino acids Binds to helicase (?)
(x) NSP10 YP_009725306.1 139 amino acids Stimulates NSP16 (?)
(xi) NSP11 YP_009725312.1 13 amino acids Unknown
(xii) NSP12a YP_009725307.1 932 amino acids Copies viral RNA (RNA polymerase) methylation (guanine)
(xiii) NSP13 YP_009725308.1 601 amino acids Unwinds duplex RNA (helicase)
(xiv) NSP14 YP_009725309.1 527 amino acids 5′-cap RNA (3′ to 5′ exonuclease, guanine N7-methyltransferase)
(xv) NSP15a YP_009725310.1 346 amino acids Degrade RNA to (endoRNAse/endoribonuclease) evade host defense
(xvi) NSP16 YP_009725311.1 298 amino acids 5′-cap RNA (2′-O-ribose-methyltransferase—potential antiviral drug target) methylation (adenine)