Taxonomy of Mitochondrial Cytochrome B Proteins of the Same Amino Acid Sequence Length
Table 4
Content of the number of cytochrome b amino acid sequences in the Swiss-Prot database in various taxonomic groupsa of chordate (Chordata) phylum.
Biological phyla and other taxonomic groups of animals
Number of molecules
Number of amino acid residues
Mammalia (mammals)
1 249
377–384
Aves (birds)
134
379–381
Serpentes (snakes)
78
367–374
Teleostei (teleosts)
51
378–398
Elasmobranchii (elasmobranchs)
18
380, 381
Testudines (turtles)
11
379–381
Amphibia (amphibians)
9
380
Actinopterygii (ray-finned fishes)
8
379, 380
Cyclostomata (jawless)
4
385, 396
Lepidosauria (reptiles)
2
379, 380
Cephalochordata (lancelets)
2
367, 398
Archosauria (reptiles)
1
383
Coelacanthiformes (lobefin fishes)
1
380
All Chordata
1 568
367–398
aDue to the incomparability of different data on the division of chordates into biological classes [13–15], we took arbitrary taxonomic groups used in the Swiss-Prot database.