Table 2. Distribution of tRNA isotypes in chloroplast genome of gymnosperms.

tRNA isotypes	Number of tRNAs
	C. debaoensis	D. spinulosum	G. biloba	C. deodara	W. nobilis	R. piresii	S. verticillata	C. lanceolata	T. mairei	W. mirabilis	G. gnemon	E. equisetina
Ala	1	1	1	1	1	0	1	1	0	1	1	1
Gly Pro	1	1	2	2	2	2	1	1	1	2	2	1
	2	2	2	2	2	2	1	2	2	2	2	1
Thr	1	2	2	2	2	2	2	2	2	2	2	1
Val	2	2	1	1	1	2	2	2	0	2	2	1
Ser	3	3	3	3	4	3	3	3	2	3	3	3
Arg	3	3	3	3	3	3	3	2	2	4	3	2
Leu	3	3	3	3	3	3	3	3	3	3	3	3
Phe Asn Lys	1	1	1	1	1	1	1	1	1	1	1	1
	1	1	1	1	1	1	1	1	1	1	1	1
	1	1	1	1	1	1	1	2	1	1	1	1
Asp	1	1	1	1	1	2	1	1	1	1	1	1
Glu	2	2	1	2	2	2	2	2	1	2	2	2
His	1	1	2	1	1	1	1	1	1	1	1	1
Gln	1	1	1	1	1	1	2	2	1	1	1	1
Ile	1	1	1	1	1	1	1	1	4	1	1	1
Met/fMet Tyr Cys	2	2	2	2	2	2	2	2	2	2	2	2
	1	1	2	1	1	1	1	1	1	1	1	1
	1	1	2	1	1	1	1	1	1	1	1	1
Trp	1	1	1	1	1	1	1	1	1	1	1	2
Selenocysteine	0	0	0	0	0	0	0	0	0	0	0	0
Suppressor	0	0	0	0	0	0	0	0	0	0	0	0
Total	30	31	33	31	32	32	31	32	28	33	32	28