Table 1.

Codon usage in G. duodenalis.

AA	Codon	N	RSCU	AA	Codon	N	RSCU
Phe	UUU	59,550	1.07	Ser	UCU	73,318	1.49
	UUC	52,173	0.93		UCC	48,316	0.98
Leu	UUA	31,152	0.55		UCA	44,668	0.91
	UUG	46,111	0.82		UCG	32,496	0.66
	CUU	82,286	1.47	Pro	CCU	41,755	1.11
	CUC	68,932	1.23		CCC	36,359	0.97
	CUA	44,031	0.78		CCA	43,775	1.17
	CUG	64,305	1.15		CCG	28,158	0.75
Ile	AUU	64,266	1.06	Thr	ACU	51,120	1.01
	AUC	62,851	1.04		ACC	48,607	0.96
	AUA	54,849	0.90		ACA	64,162	1.27
Met	AUG	71,824	1.00		ACG	38,778	0.77
Val	GUU	53,711	1.12	Ala	GCU	66,007	1.04
	GUC	53,666	1.12		GCC	64,537	1.02
	GUA	33,623	0.70		GCA	82,061	1.29
	GUG	50,286	1.05		GCG	41,021	0.65
Tyr	UAU	53,440	1.01	Cys	UGU	32,743	0.82
	UAC	52,143	0.99		UGC	46,757	1.18
His	CAU	35,269	0.90	Arg	CGU	26,186	0.90
	CAC	43,263	1.10		CGC	35,590	1.22
Gln	CAA	50,096	0.79		CGA	22,041	0.76
	CAG	76,057	1.21		CGG	24,910	0.85
Asn	AAU	61,610	0.97	Ser	AGU	38,408	0.78
	AAC	66,024	1.03		AGC	57,389	1.17
Lys	AAA	50,623	0.63	Arg	AGA	34,334	1.18
	AAG	109,717	1.37		AGG	31,972	1.10
Asp	GAU	85,457	1.00	Gly	GGU	32,910	0.77
	GAC	85,476	1.00		GGC	49,200	1.15
Glu	GAA	72,247	0.78		GGA	47,874	1.12
	GAG	112,061	1.22		GGG	40,586	0.95

N: The number of codons; the frequently used codons of G. duodenalis are displayed in bold.