Markup | Genome Research

Table 7.

Frequency Range of Selected Amino Acids among All Mitochondrial Proteins for Taxonomic Groups

Taxon	Ala	Arg	Asn	Gly	Ile	Pro	Tyr
Fishes	325–353	69–79	112–121	236–249	242–307	206–230	97–114
Coelacanth	285	73	147	239	284	205	116
Amphibians	274–321	68–70	136–148	224–227	273–334	203–220	111–116
Reptiles	243–322	71	132–138	225–227	279–300	204–208	111–125
Birds	289–301	72	126–130	215–221	301–304	221–234	105–108
Mammals	226–263	62–67	143–169	208–224	312–378	187–224	153–189