Table 2.

Synonymous codon usage in 40 ORFs of DHV.

AAa	Codon	RSCUb	AA	Codon	RSCUb
Phe	UUU	1.427	Gln	CAA	1.025
	UUC	0.573		CAG	0.975
Leu	UUA	0.694	His	CAU	1.160
	UUG	1.794		CAC	0.840
	CUU	1.355	Asn	AAU	1.429
	CUC	0.900		AAC	0.571
	CUA	0.518	Lys	AAA	1.140
	CUG	0.739		AAG	0.860
Val	GUU	1.506	Asp	GAU	1.293
	GUC	0.758		GAC	0.707
	GUA	0.499	Glu	GAA	0.867
	GUG	1.238		GAG	1.133
Ser	UCU	1.974	Arg	AGA	1.573
	UCC	0.742		AGG	1.325
	UCA	1.715		CGU	0.812
	UCG	0.097		CGC	1.114
	AGU	1.033		CGA	0.606
	AGC	0.438		CGG	0.540
Pro	CCU	1.178	Cys	UGU	1.405
	CCC	0.691		UGC	0.595
	CCA	2.073	Tyr	UAU	1.554
	CCG	0.057		UAC	0.446
Thr	ACU	1.548	Ala	GCU	1.445
	ACC	0.751		GCC	1.152
	ACA	1.600		GCA	1.306
	ACG	0.101		GCG	0.097
Gly	GGU	1.181	Ile	AUU	1.784
	GGC	0.998		AUC	0.628
	GGA	1.044		AUA	0.588
	GGG	0.776

Note: The preferentially used codons for each amino acid are described in bold.

^aAA is the abbreviation of amino acid.

^bRSCU value is the fraction of the relative synonymous codon usage. The words in bold refer to preferred codon.