Table 1

Nucleotide composition and AT- and GC-skewnesses of M. sebastis mtDNA sequences for potein-coding, rRNA, tRNA genes and non-coding regions.

Nucleotide

Length (bp)
A (%)
C (%)
T (%)
G (%)
A+T (%)
G+C (%)
AT-skew
GC-skew

Entire sequence

14,407
29.4
9.7
41.1
19.8
70.5
29.5
-0.17
0.34
Protein-coding sequencea

10,254
27.8
10.1
41.8
20.3
69.6
30.4
-0.20
0.34
Codon position
1st
3,418
29.6
9.6
37.3
23.5
66.9
33.1
-0.12
0.42

2nd
3,418
19.8
13.0
46.1
21.1
65.9
34.1
-0.40
0.24

3rd
3,418
34.0
7.5
42.1
16.4
76.1
23.9
-0.10
0.37
Ribosomal RNA gene sequence

1,696
33.1
10.7
38.1
18.1
71.2
28.8
-0.07
0.26
Transfer RNA gene sequence

1,424
32.6
9.8
38.8
18.8
71.4
28.6
-0.09
0.31
Highly repetitive region (HRR)

472
33.9
1.9
41.5
22.7
75.4
24.6
-0.10
0.85
Unassigned region (UAR)

348
33.7
8.6
44.5
13.2
78.2
21.8
-0.14
0.21

aTermination codons were not included.

Park et al. BMC Evolutionary Biology 2007 7:11   doi:10.1186/1471-2148-7-11