Protein-coding gene · mtDNA statistics

COX3

Cytochrome c oxidase subunit III. Length, base composition and strand skews in 2,335 species, by taxon and species by species.

COX3 in all species

Every parameter summarised over 2,335 species

COX3 in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,335	45.13%	3.68	0.082	17.05%Apis mellifera	45.61%	53.19%Thryothorus ludovicianus	0.08	7.0 × 10⁻⁵
AT %(A + T) / (A + C + G + T)	2,335	54.87%	3.68	0.067	46.81%Thryothorus ludovicianus	54.39%	82.95%Apis mellifera	−0.08	7.0 × 10⁻⁵
A %A / (A + C + G + T)	2,335	26.71%	2.29	0.086	16.55%Placopecten magellanicus	26.87%	42.82%Sinanodonta woodiana	0.17	1.2 × 10⁻¹⁶
T %T / (A + C + G + T)	2,335	28.16%	3.26	0.116	20.26%Anodonta anatina	27.90%	56.77%Strongyloides ratti	−0.21	3.1 × 10⁻²⁵
G %G / (A + C + G + T)	2,335	16.23%	1.92	0.119	6.39%Bombus terrestris	15.94%	32.37%Placopecten magellanicus	−0.20	5.2 × 10⁻²³
C %C / (A + C + G + T)	2,335	28.90%	3.66	0.127	7.55%Strongyloides ratti	29.43%	36.35%Ficedula albicollis	0.19	3.1 × 10⁻²⁰
GC skew(G − C) / (G + C) on the L strand	2,335	−0.277	0.098	–	−0.432Paleosuchus palpebrosus	−0.289	+0.425Macrostomum lignano	−0.25	8.4 × 10⁻³⁴
AT skew(A − T) / (A + T) on the L strand	2,335	−0.025	0.074	–	−0.527Strongyloides ratti	−0.030	+0.352Sinanodonta woodiana	0.26	2.3 × 10⁻³⁶
Length (bp)Length in base pairs	2,335	785	8.7	0.011	735Tegillarca granosa	784	936Mytilus californianus	−0.03	0.18

COX3 by class

GC content of COX3, % of A + C + G + T

Parameter

Chart

COX3 by class

ActinopterygiiRay-finned fishes	895	46.97%	2.26	0.048	38.85%Nothobranchius kuhntae	47.01%	52.36%Parupeneus heptacantha	0.01	0.75
MammaliaMammals	627	43.04%	2.43	0.056	35.46%Erinaceus concolor	43.24%	52.93%Macroderma gigas	0.41	7.0 × 10⁻²⁷
AvesBirds	423	47.85%	1.88	0.039	43.24%Alcedo atthis	47.83%	53.19%Thryothorus ludovicianus	−0.08	0.11
ReptiliaReptiles	136	43.54%	2.60	0.060	37.37%Chamaeleo chamaeleon	43.24%	50.38%Gonatodes albogularis	0.16	0.06
ChondrichthyesSharks and rays	87	42.47%	2.86	0.067	35.62%Callorhinchus milii	41.86%	47.96%Leucoraja naevus	−0.07	0.55
AmphibiaAmphibians	47	41.54%	3.85	0.093	34.95%Dermophis mexicanus	41.20%	47.96%Pelophylax nigromaculatus	−0.02	0.88
BivalviaBivalves	35	38.96%	3.75	0.096	32.43%Ruditapes philippinarum	39.16%	45.82%Cryolaternula elliptica	−0.25	0.14
MalacostracaCrustaceans	30	37.15%	2.19	0.059	33.71%Eriocheir sinensis	37.18%	41.97%Panulirus argus	0.05	0.8
CephalopodaCephalopoda	11	35.59%	4.53	0.127	27.69%Amphioctopus fangsiao	34.36%	44.23%Ommastrephes bartramii	0.04	0.9
CephalaspidomorphiLampreys	10	42.20%	0.54	0.013	41.60%Petromyzon marinus	42.11%	43.38%Lethenteron appendix	−0.11	0.77
GastropodaGastropoda	9	40.03%	4.14	0.103	35.73%Aplysia californica	39.49%	47.31%Haliotis rufescens	0.86	0.003
InsectaInsects	4	23.34%	7.15	0.307	17.05%Apis mellifera	23.26%	29.78%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	43.65%	3.15	0.072	39.43%Lepidosiren paradoxa	44.08%	47.01%Neoceratodus forsteri	–	–
EchinoideaSea urchins	4	42.98%	0.61	0.014	42.15%Strongylocentrotus purpuratus	43.10%	43.55%Strongylocentrotus droebachiensis	–	–
PolychaetaPolychaeta	4	40.34%	1.47	0.036	38.72%Seepiophila jonesi	40.19%	42.27%Nereis pelagica	–	–

Every species

Base counts on the L strand as deposited in RefSeq. Download all 2,335 rows as CSV

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More about this region

COX3 gene page COX3 in the taxa table Plot its GC content against lifespan