The Effects of the Context-Dependent Codon Usage Bias on the Structure of the nsp1α of Porcine Reproductive and Respiratory Syndrome Virus

Table 3

Relative abundance of dinucleotides with 𝑁₁ context or ₁𝑁 context in the PRRSV nsp1α gene.

Dinucleotides with 𝑁1 context (𝑥𝑦~𝑛)	𝑟 value	Dinucleotides with 1𝑁 context (𝑛~𝑥𝑦)	𝑟 value
UC~A	0.6130	A~AU	1.4456
UC~U	1.3115	U~AU	0.8552
UC~C	1.2805	C~AU	0.6485
UC~G	0.5669	G~AU	1.0047
UA~A	0.6177	A~GU	1.2963
UA~U	1.0269	U~GU	1.1651
UA~C	1.7402	C~GU	0.5072
UA~G	0.4351	G~GU	1.1064
UG~A	1.2060	A~UC	0.5880
UG~U	0.8195	U~UC	1.0330
UG~C	1.0921	C~UC	1.1230
UG~G	0.8019	G~UC	1.0286
CA~A	1.8155	A~AG	1.2415
CA~U	0.4556	U~AG	0.2825
CA~C	0.9184	C~AG	0.9946
CA~G	0.8963	G~AG	1.5135
GU~A	0.3165	A~AC	1.5521
GU~U	0.9679	U~AC	0.9913
GU~C	0.8485	C~AC	0.8942
GU~G	1.5896	G~AC	0.6067
GC~A	1.2887	A~UA	0.6720
GC~U	1.0849	U~UA	0.9776
GC~C	1.3411	C~UA	1.6741
GC~G	0.3298	G~UA	0.5155
CA~A	1.8155	A~CA	0.9721
CA~U	0.4556	U~CA	0.4819
CA~C	0.9184	C~CA	1.3762
CA~G	0.8963	G~CA	1.0994
AC~A	0.9465	A~AA	1.1734
AC~U	1.2243	U~AA	0.3547
AC~C	0.8848	C~AA	1.7821
AC~G	0.9524	G~AA	1.4708
AU~A	0.5596	A~CG	1.6312
AU~U	0.9124	U~CG	0.7431
AU~C	0.6579	C~CG	1.2830
AU~G	1.7819	G~CG	0.4693
AG~A	1.0440	A~UU	0.8843
AG~U	1.3708	U~UU	1.5257
AG~C	0.7761	C~UU	1.2791
AG~G	0.8164	G~UU	1.2724
GC~A	1.2887
GC~U	1.0849
GC~C	1.3411
GC~G	0.3298