Table 1. Codon usage pattern of G. biloba genes; the preferred codons are in bold (RSCU > 1.0).

AA	Codon	RSCU	AA	Codon	RSCU
Ala	GCU	1.36	Leu	UUG	1.55
	GCC	0.71		CUU	1.36
	GCA	1.61		CUC	0.71
	GCG	0.32		CUA	0.57
Arg	CGU	0.67		CUG	1.01
	CGC	0.46	Lys	AAA	0.99
	CGA	0.71		AAG	1.01
	CGG	0.55	Phe	UUU	1.20
	AGA	2.04		UUC	0.80
	AGG	1.57	Pro	CCU	1.46
Asn	AAU	1.31		CCC	0.68
	AAC	0.69		CCA	1.48
Asp	GAU	1.38		CCG	0.39
	GAC	0.62	Ser	UCU	1.48
Cys	UGU	1.03		UCC	0.79
	UGC	0.97		UCA	1.37
Gln	CAA	1.03		UCG	0.41
	CAG	0.97		AGU	1.07
Glu	GAA	1.10		AGC	0.88
	GAG	0.90	Thr	ACU	1.30
Gly	GGU	1.06		ACC	0.72
	GGC	0.79	Tyr	ACA	1.57
	GGA	1.37		ACG	0.41
	GGG	0.78		UAU	1.26
His	CAU	1.33		UAC	0.74
	CAC	0.67	Val	GUU	1.45
Ile	AUU	1.45		GUC	0.64
	AUC	0.74		GUA	0.74
	AUA	0.81		GUG	1.17
Leu	UUA	0.80

AA: amino acids.