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. 2020 Sep 24;10:15643. doi: 10.1038/s41598-020-72533-2

Table 2.

Codon and codon pair metrics of SARS-CoV-2 genes.

ORF1ab S ORF3a E M ORF6 ORF7a ORF7b ORF8 N ORF10
Avg RSCU 0.98 1.00 0.99 0.97 1.01 0.95 1.04 1.02 0.98 1.02 0.88
Avg ln(RSCU) − 0.05 − 0.04 − 0.05 − 0.10 − 0.04 − 0.08 0.00 − 0.03 − 0.07 − 0.02 − 0.17
CPB 0.03 0.07 0.03 − 0.10 0.00 0.02 − 0.03 − 0.04 0.00 0.03 − 0.17

Relative synonymous codon usage (RSCU), ln(RSCU) and codon pair bias (CPB) for 11 viral genes.