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Table 2 Nucleotide composition of Squilla mantis mitochondrial genome features. Major and minor strand genes show no significant differences in nucleotide composition.

From: The complete mitochondrial genome of the stomatopod crustacean Squilla mantis

Genome feature Number of nucleotides Proportion of nucleotides %AT
   A C G T  
All nucleotides (major strand) 15994 0.351 0.168 0.130 0.351 70
rRNA genes (minor strand) 1760 0.464 0.193 0.135 0.208 67
AT-rich region 1 (major strand) 230 0.448 0.061 0.065 0.426 87
AT-rich region 12(major strand) 861 0.423 0.137 0.095 0.345 77
tRNA genes (major strand) 945 0.361 0.126 0.157 0.357 72
tRNA genes (minor strand) 469 0.360 0.104 0.177 0.358 72
tRNA genes (both strands) 1414 0.361 0.119 0.163 0.357 72
Unassigned nucleotides (major strand) 76 0.316 0.132 0.013 0.539 86
Protein coding genes
All positions 11070 0.274 0.156 0.174 0.396 67
first codon positions 3690 0.292 0.136 0.241 0.331 62
second codon positions 3690 0.187 0.208 0.162 0.444 63
third codon positions 3690 0.359 0.106 0.102 0.433 79
Majority strand protein coding genes
All positions 6966 0.278 0.182 0.163 0.377 66
first codon positions 2262 0.287 0.154 0.242 0.317 60
second codon positions 2262 0.190 0.237 0.140 0.434 62
third codon positions 2262 0.380 0.130 0.079 0.411 79
Minority strand protein coding genes
All positions 4284 0.269 0.113 0.191 0.427 70
first codon positions 1428 0.300 0.107 0.239 0.353 65
second codon positions 1428 0.182 0.162 0.195 0.460 64
third codon positions 1428 0.325 0.068 0.138 0.469 79