Table 4. Codon usage of PCGs in mitochondrial genome of Analcellicampa xanthosoma.

Amino acid	Codon	NO.	RSCU	Amino acid	Codon	NO.	RSCU
Phe	UUU	407	1.66	Tyr	UAU	200	1.69
	UUC	82	0.34		UAC	37	0.31
Leu	UUA	308	3.84	End	UAA	129	1.39
	UUG	43	0.54		UAG	57	0.61
Leu	CUU	55	0.69	His	CAU	64	1.62
	CUC	9	0.11		CAC	15	0.38
	CUA	53	0.66	Gln	CAA	58	1.81
	CUG	13	0.16		CAG	6	0.19
Ile	AUU	352	1.73	Asn	AAU	227	1.77
	AUC	55	0.27		AAC	30	0.23
Met	AUA	197	1.66	Lys	AAA	126	1.58
	AUG	40	0.34		AAG	33	0.42
Val	GUU	38	1.33	Asp	GAU	67	1.72
	GUC	12	0.42		GAC	11	0.28
	GUA	53	1.86	Glu	GAA	60	1.48
	GUG	11	0.39		GAG	21	0.52
Ser	UCU	55	1.48	Cys	UGU	24	1.17
	UCC	24	0.65		UGC	17	0.83
	UCA	102	2.75	Trp	UGA	73	1.47
	UCG	8	0.22		UGG	26	0.53
Pro	CCU	31	1.51	Arg	CGU	4	0.67
	CCC	14	0.68		CGC	1	0.17
	CCA	36	1.76		CGA	17	2.83
	CCG	1	0.05		CGG	2	0.33
Thr	ACU	52	1.58	Ser	AGU	21	0.57
	ACC	15	0.45		AGC	13	0.35
	ACA	61	1.85		AGA	46	1.24
	ACG	4	0.12		AGG	28	0.75
Ala	GCU	24	1.50	Gly	GGU	20	0.68
	GCC	8	0.50		GGC	7	0.24
	GCA	31	1.94		GGA	74	2.51
	GCG	1	0.06		GGG	17	0.58