From: Evolution and structural variations in chloroplast tRNAs in gymnosperms
Region of tRNA | Nucleotide composition | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AC arm | Number of nucleotides | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Â | Â | Â | Â |
Number of tRNAs | 3 (0.17%) | 3 (0.17%) | 1 (0.06%) | 21 (1.18%) | 18 (1.01%) | 12 (0.67%) | 58 (3.26%) | 1659 (93.25%) | 4 (0.22%) | |||||
D-arm | Number of nucleotides | 1 | 3 | 4 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Number of tRNAs | 2 (0.11%) | 609 (34.23%) | 1168 (65.65%) | |||||||||||
D-loop | Number of nucleotides | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 26 | Â | Â | Â | Â | Â |
Number of tRNAs | 1 (0.06%) | 341 (19.17%) | 281 (15.8%) | 719 (40.42%) | 162 (9.11%) | 249 (14.00%) | 25 (1.41%) | 1 (0.06%) | ||||||
ANC arm | Number of nucleotides | 4 | 5 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Number of tRNAs | 135 (7.59%) | 1664 (93.54%) | ||||||||||||
ANC loop | Number of nucleotides | 7 | 9 | 10 | 12 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Number of tRNAs | 1743 (97.98%) | 24 (1.35%) | 2 (0.11%) | 10 (0.56%) | ||||||||||
Variable region | Number of nucleotides | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 11 | 15 | 16 | 17 | 20 |
Number of tRNAs | 3 (0.17%) | 7 (0.39%) | 97 (5.45%) | 283 (15.91%) | 1049 (58.97%) | 225 (12.65%) | 63 (3.54%) | 1 (0.06%) | 37 (2.08%) | 1 (0.06%) | 13 (0.73%) | 1 (0.06%) | 1 (0.06%) | |
Ψ-arm | Number of nucleotides | 4 | 5 | 6 |  |  |  |  |  |  |  |  |  |  |
Number of tRNAs | 11 (0.62%) | 1767 (99.33%) | 1 (0.06%) | |||||||||||
Ψ-loop | Number of nucleotides | 7 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tRNAs | 1779 (100%) |