Research Article

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 animalsNumber of moleculesNumber of amino acid residues

Mammalia (mammals)1 249377–384
Aves (birds)134379–381
Serpentes (snakes)78367–374
Teleostei (teleosts)51378–398
Elasmobranchii (elasmobranchs)18380, 381
Testudines (turtles)11379–381
Amphibia (amphibians)9380
Actinopterygii (ray-finned fishes)8379, 380
Cyclostomata (jawless)4385, 396
Lepidosauria (reptiles)2379, 380
Cephalochordata (lancelets)2367, 398
Archosauria (reptiles)1383
Coelacanthiformes (lobefin fishes)1380
All Chordata1 568367–398

aDue to the incomparability of different data on the division of chordates into biological classes [1315], we took arbitrary taxonomic groups used in the Swiss-Prot database.