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Table 2 Substitution rates (× 10-3 per site per year) and Ka/Ks ratio in the coding regions.

From: Moderate mutation rate in the SARS coronavirus genome and its implications

 

Non-synonymous sites

Synonymous sites

Ka/Ks

Total

1.16–3.30

1.67–4.67

0.70

Nonstructural region

0.81–2.40

1.78–5.07

0.46

Structural region

2.03–5.53

1.40–3.69

1.47

Nsp1

1.05–3.13

0.85–2.60

1.22

S

1.11–3.02

3.22–8.50

0.35

EMN

3.35–9.22

0

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  1. The same divergence time as in Table 1 was used. Nonstructural region denotes the 5' two-thirds of the coding regions (sites 265 – 21485) and structural region denotes the 3' one-third of the coding regions (21492 – 29388). EMN denotes three genes E, M, and N.