Table 3. The codon–anticodon recognition pattern and codon usage for the Salvia miltiorrhiza chloroplast genome.

Amino acid	Codon	No.	RSCU	tRNA	Amino acid	Codon	No.	RSCU	tRNA
Phe	UUU	999	1.33		Tyr	UAU	771	1.63
Phe	UUC	499	0.67	trnF-GAA	Tyr	UAC	175	0.37	trnY-GUA
Leu	UUA	860	1.84	trnL-UAA	Stop	UAA	46	1.6
Leu	UUG	569	1.22	trnL-CAA	Stop	UAG	22	0.77
Leu	CUU	609	1.3		His	CAU	479	1.53
Leu	CUC	180	0.38		His	CAC	146	0.47	trnH-GUG
Leu	CUA	394	0.84	trnL-UAG	Gln	CAA	723	1.54	trnQ-UUG
Leu	CUG	194	0.41		Gln	CAG	217	0.46
Ile	AUU	1096	1.48		Asn	AAU	967	1.54
Ile	AUC	461	0.62	trnI-GAU	Asn	AAC	289	0.46	trnN-GUU
Ile	AUA	667	0.9	trnI-CAU	Lys	AAA	1062	1.48	trnK-UUU
Met	AUG	629	1	trn(f)M-CAU	Lys	AAG	370	0.52
Val	GUU	526	1.46		Asp	GAU	867	1.6
Val	GUC	178	0.5	trnV-GAC	Asp	GAC	216	0.4	trnD-GUC
Val	GUA	542	1.51	trnV-UAC	Glu	GAA	1016	1.5	trnE-UUC
Val	GUG	191	0.53		Glu	GAG	343	0.5
Ser	UCU	584	1.7		Cys	UGU	222	1.52
Ser	UCC	344	1	trnS-GGA	Cys	UGC	70	0.48	trnC-GCA
Ser	UCA	398	1.16	trnS-UGA	Stop	UGA	18	0.63
Ser	UCG	200	0.58		Trp	UGG	470	1	trnW-CCA
Pro	CCU	405	1.44		Arg	CGU	338	1.28	trnR-ACG
Pro	CCC	234	0.83		Arg	CGC	121	0.46
Pro	CCA	324	1.15	trnP-UGG	Arg	CGA	353	1.33
Pro	CCG	161	0.57		Arg	CGG	131	0.49
Thr	ACU	539	1.63		Arg	AGA	488	1.84	trnR-UCU
Thr	ACC	247	0.75	trnT-GGU	Arg	AGG	159	0.6
Thr	ACA	388	1.17	trnT-UGU	Ser	AGU	420	1.22
Thr	ACG	150	0.45		Ser	AGC	115	0.33	trnS-GCU
Ala	GCU	603	1.73		Gly	GGU	539	1.21
Ala	GCC	234	0.67		Gly	GGC	191	0.43	trnG-GCC
Ala	GCA	393	1.13	trnA-UGC	Gly	GGA	720	1.62	trnG-UCC
Ala	GCG	167	0.48		Gly	GGG	331	0.74

RSCU: Relative Synonymous Codon Usage.