Table 2. The nucleotide composition of Atkinsoniella zizhongi sp. nov. mitochondrial genome.

Regions	Length (bp)	T%	C%	A%	G%	A+T%	AT skew	GC skew
Whole genome	16,483	34.8	12.3	41.1	11.8	75.9	0.082	−0.022
PCGs	10,953	43.2	11.9	32.6	12.4	75.7	−0.140	0.022
1st codon position	3,650	35.8	11.3	35.4	17.5	71.2	−0.005	0.214
2nd codon position	3,650	47.8	17.4	21.3	13.5	69.1	−0.383	−0.125
3rd codon position	3,650	45.9	6.9	41.0	6.2	86.9	−0.057	−0.052
tRNAs	1,424	38.3	9.3	39.7	12.7	78.0	0.017	0.157
rRNAs	2,015	46.3	8.3	33.3	12.1	79.6	−0.162	0.187
Control region	2,110	34.6	9.8	37.1	18.5	71.7	0.035	0.308