Gene set · mtDNA statistics

Protein-coding

All protein-coding genes. Length, base composition and strand skews in 2,335 species, by taxon and species by species.

Protein-coding in all species

Every parameter summarised over 2,335 species

Protein-coding in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,335	43.07%	4.38	0.102	15.96%Bombus terrestris	43.88%	52.02%Centrolabrus exoletus	0.07	0.001
AT %(A + T) / (A + C + G + T)	2,335	56.93%	4.38	0.077	47.98%Centrolabrus exoletus	56.12%	84.04%Bombus terrestris	−0.07	0.001
A %A / (A + C + G + T)	2,335	29.35%	3.11	0.106	15.85%Placopecten magellanicus	29.84%	42.36%Bombus terrestris	0.18	5.5 × 10⁻¹⁸
T %T / (A + C + G + T)	2,335	27.59%	3.32	0.120	21.26%Trichoglossus haematodus	27.41%	58.54%Strongyloides ratti	−0.25	1.8 × 10⁻³⁵
G %G / (A + C + G + T)	2,335	13.79%	2.44	0.177	5.53%Bombus terrestris	13.14%	32.48%Pseudocaranx dentex	−0.20	2.6 × 10⁻²³
C %C / (A + C + G + T)	2,335	29.27%	4.12	0.141	7.22%Strongyloides ratti	29.62%	37.19%Dryocopus pileatus	0.19	1.4 × 10⁻²⁰
GC skew(G − C) / (G + C) on the L strand	2,335	−0.357	0.117	–	−0.518Psittrichas fulgidus	−0.370	+0.433Tegillarca granosa	−0.26	4.8 × 10⁻³⁶
AT skew(A − T) / (A + T) on the L strand	2,335	+0.031	0.081	–	−0.555Strongyloides ratti	+0.035	+0.210Boa constrictor	0.30	1.3 × 10⁻⁵⁰
Length (bp)Length in base pairs	2,335	11,376	186.5	0.016	9,561Sphenodon punctatus	11,379	15,011Thysanoteuthis rhombus	0.01	0.78

Protein-coding by class

GC content of all protein-coding genes, % of A + C + G + T

Parameter

Chart

Protein-coding by class

ActinopterygiiRay-finned fishes	895	45.75%	2.44	0.053	36.93%Erpetoichthys calabaricus	46.03%	52.02%Centrolabrus exoletus	0.05	0.1
MammaliaMammals	627	39.84%	2.38	0.060	30.53%Hemiechinus auritus	39.94%	49.09%Macroderma gigas	0.44	1.1 × 10⁻³⁰
AvesBirds	423	46.46%	1.70	0.037	41.21%Gallinago gallinago	46.49%	51.24%Campylorhynchus brunneicapillus	0.03	0.53
ReptiliaReptiles	136	41.11%	2.65	0.064	35.18%Bungarus fasciatus	40.70%	48.11%Gonatodes albogularis	0.14	0.12
ChondrichthyesSharks and rays	87	39.55%	2.69	0.068	32.66%Callorhinchus milii	39.47%	44.82%Isurus oxyrinchus	−0.02	0.88
AmphibiaAmphibians	47	38.48%	4.09	0.106	31.05%Onychodactylus fischeri	38.21%	45.97%Pipa pipa	0.04	0.82
BivalviaBivalves	35	37.04%	3.97	0.107	29.40%Geukensia demissa	36.84%	44.96%Cryolaternula elliptica	−0.27	0.11
MalacostracaCrustaceans	30	33.29%	2.07	0.062	29.86%Chionoecetes bairdi	33.30%	39.29%Panulirus argus	0.16	0.4
CephalopodaCephalopoda	11	29.90%	4.07	0.136	24.15%Amphioctopus fangsiao	29.36%	37.64%Ommastrephes bartramii	−0.00	0.99
CephalaspidomorphiLampreys	10	37.51%	0.61	0.016	36.71%Petromyzon marinus	37.61%	38.25%Lampetra fluviatilis	−0.01	0.98
GastropodaGastropoda	9	35.70%	2.69	0.075	33.27%Aplysia californica	34.79%	40.49%Haliotis rufescens	0.75	0.02
InsectaInsects	4	19.98%	4.27	0.214	15.96%Bombus terrestris	19.75%	24.45%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	40.88%	3.07	0.075	36.43%Lepidosiren paradoxa	41.78%	43.51%Neoceratodus forsteri	–	–
EchinoideaSea urchins	4	41.52%	0.31	0.007	41.10%Mesocentrotus franciscanus	41.57%	41.84%Heliocidaris crassispina	–	–
PolychaetaPolychaeta	4	35.84%	1.98	0.055	33.24%Terebellides stroemii	36.03%	38.04%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

Protein-coding in the taxa table Plot its GC content against lifespan