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Table 2 Protein-coding gene assignments and identity of the three Crassostrea species

From: Complete mitochondrial DNA sequence of oyster Crassostrea hongkongensis-a case of "Tandem duplication-random loss" for genome rearrangement in Crassostrea?

  Number of amino acids % identity % identity in congeners
Protein Ch* Cg* Cv* Ch-Cg Ch-Cv Cg-Cv Crassostrea § Mytilus
cox1 539 538 540 97.6 92.8 92.0 91.7 98.9
cox3 289 291 290 87.8 63.3 64.0 61.9 83.0
cob 401 412 403 85.5 71.3 71.8 68.5 84.6
cox2 233 233 230 98.7 91.0 91.0 90.6 97.5
atp6 227 227 224 96.9 70.2 70.6 69.7 97.5
nad2 332 332 331 87.7 49.1 47.0 57.5 89.9
nad4 450 450 449 81.4 71.2 67.8 63.9 92.0
nad5 556 556 555 79.2 62.9 60.0 56.6 91.4
nad6 157 158 153 77.2 57.6 54.4 51.3 66.5
nad3 116 116 117 87.1 67.5 61.5 60.7 95.7
nad1 311 311 311 87.8 73.6 70.7 69.1 96.7
nad4L 93 94 93 91.5 74.2 68.1 67.0 98.9
  1. *Ch: Crassostrea hongkongensis, Cg: C. gigas, Cv: C. virginica; § refer to the identity among the 3 Crassostrea species: C. hongkongensis, C. gigas and C. virginica; refer to the identity among the 3 Mytilus species: M. edulis, M. trossulus and M. galloprovincialis.