Skip to main content
. 2020 May 23;39(3):198–216. doi: 10.1007/s10930-020-09901-4

Table 4.

Sequence identity and similarities between SARS CoV-2 proteins and SARS CoV proteins determined through LALIGN (17) (see Supporting Information)

Entry Protein Amino acid overlap Sequence identity Sequence similarity
1 NSP1 180 84.4% 93.4%
2 NSP2 638 68.3% 90.0%
3 NSP3 1,952 76.0% 91.8%
4 NSP4 500 80.0% 95.0%
5 NSP5 306 96.1% 99.7%
6 NSP6 287 88.2% 98.3%
7 NSP7 83 98.8% 100.0%
8 NSP8 198 97.5% 100.0%
9 NSP9 113 97.3% 99.1%
10 NSP10 139 97.1% 99.3%
11 NSP11 13 84.6% 100.0%
12 NSP12 932 96.4% 99.4%
13 NSP13 601 99.8% 100.0%
14 NSP14 527 95.1% 99.1%
15 NSP15 346 88.7% 97.7%
16 NSP16 298 93.3% 99.0%
17 S protein 1,277 76.0% 91.5%
18 ORF3a 1,381 72.4% 90.2%
19 E Protein 76 94.7% 97.4%
20 M Protein 222 90.5% 98.2%
21 ORF6 61 68.9% 93.4%
22 ORF7a 122 85.2% 95.9%
23 ORF7b 41 85.4% 92.7%
24a (ORF8 vs 8a)a 41 31.7% 70.7%
24b (ORF8 vs 8b)a 42 40.5% 66.7%
25 N Protein 422 90.5% 97.2%
26 (ORF10 vs 9b)a 21 28.6% 52.4%

a(SARS CoV-2 protein vs SARS CoV protein). Other reports have also reported amino acid sequence identities using different algorithms (3,67)