Protein-coding gene · mtDNA statistics

COX1

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

COX1 in all species

Every parameter summarised over 2,335 species

COX1 in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,335	43.78%	3.61	0.082	23.33%Bombus terrestris	44.23%	51.77%Neosalanx taihuensis	0.09	1.9 × 10⁻⁵
AT %(A + T) / (A + C + G + T)	2,335	56.22%	3.61	0.064	48.23%Neosalanx taihuensis	55.77%	76.67%Bombus terrestris	−0.09	1.9 × 10⁻⁵
A %A / (A + C + G + T)	2,335	26.62%	2.14	0.080	17.45%Placopecten magellanicus	26.90%	43.06%Anodonta anatina	0.18	1.0 × 10⁻¹⁷
T %T / (A + C + G + T)	2,335	29.60%	3.20	0.108	20.75%Anodonta anatina	29.65%	49.55%Strongyloides ratti	−0.22	2.1 × 10⁻²⁶
G %G / (A + C + G + T)	2,335	17.42%	1.53	0.088	10.58%Bombus terrestris	17.25%	28.31%Pseudoscaphirhynchus hermanni	−0.15	2.4 × 10⁻¹³
C %C / (A + C + G + T)	2,335	26.36%	3.43	0.130	10.47%Strongyloides ratti	26.50%	34.49%Bubo scandiacus	0.16	6.1 × 10⁻¹⁵
GC skew(G − C) / (G + C) on the L strand	2,335	−0.201	0.083	–	−0.375Pogona vitticeps	−0.197	+0.320Macrostomum lignano	−0.22	7.0 × 10⁻²⁶
AT skew(A − T) / (A + T) on the L strand	2,335	−0.052	0.071	–	−0.418Strongyloides ratti	−0.062	+0.350Anodonta anatina	0.26	1.2 × 10⁻³⁷
Length (bp)Length in base pairs	2,335	1,552	13.3	0.009	1,513Placopecten magellanicus	1,551	1,755Mya arenaria	0.03	0.12

COX1 by class

GC content of COX1, % of A + C + G + T

Parameter

Chart

COX1 by class

ActinopterygiiRay-finned fishes	895	45.42%	2.16	0.048	37.65%Aphyosemion australe	45.57%	51.77%Neosalanx taihuensis	0.08	0.02
MammaliaMammals	627	41.32%	2.24	0.054	35.60%Suncus murinus	41.31%	49.06%Desmodus rotundus	0.36	1.4 × 10⁻²⁰
AvesBirds	423	47.31%	1.60	0.034	42.75%Gallinago delicata	47.35%	51.52%Poecile atricapillus	0.05	0.26
ReptiliaReptiles	136	42.60%	2.27	0.053	37.60%Chamaeleo dilepis	42.18%	49.61%Gonatodes albogularis	−0.02	0.84
ChondrichthyesSharks and rays	87	39.93%	2.63	0.066	35.39%Bathyraja parmifera	39.88%	46.01%Isurus oxyrinchus	−0.07	0.55
AmphibiaAmphibians	47	40.86%	3.54	0.087	33.72%Onychodactylus fischeri	40.97%	47.39%Pipa pipa	0.04	0.79
BivalviaBivalves	35	38.16%	2.88	0.075	33.33%Geukensia demissa	38.01%	45.01%Mimachlamys varia	−0.18	0.29
MalacostracaCrustaceans	30	37.18%	2.05	0.055	34.31%Charybdis hellerii	36.64%	43.94%Panulirus argus	0.20	0.3
CephalopodaCephalopoda	11	34.56%	3.13	0.091	30.07%Amphioctopus fangsiao	34.25%	40.64%Ommastrephes bartramii	−0.00	0.99
CephalaspidomorphiLampreys	10	39.34%	0.56	0.014	38.67%Petromyzon marinus	39.25%	40.15%Lampetra fluviatilis	−0.05	0.88
GastropodaGastropoda	9	37.55%	3.36	0.089	34.82%Aplysia californica	36.26%	43.32%Haliotis rufescens	0.71	0.03
InsectaInsects	4	26.80%	3.60	0.134	23.33%Bombus terrestris	26.59%	30.66%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	43.21%	3.20	0.074	38.87%Lepidosiren paradoxa	43.80%	46.37%Neoceratodus forsteri	–	–
EchinoideaSea urchins	4	44.00%	0.52	0.012	43.50%Mesocentrotus franciscanus	43.92%	44.66%Heliocidaris crassispina	–	–
PolychaetaPolychaeta	4	38.05%	2.14	0.056	35.15%Terebellides stroemii	38.38%	40.29%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

COX1 gene page COX1 in the taxa table Plot its GC content against lifespan