Protein-coding gene · mtDNA statistics

ND2

NADH dehydrogenase subunit 2. Length, base composition and strand skews in 2,334 species, by taxon and species by species.

ND2 in all species

Every parameter summarised over 2,334 species

ND2 in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,334	42.37%	5.79	0.137	11.96%Bombus terrestris	43.13%	55.31%Centrolabrus exoletus	−0.03	0.15
AT %(A + T) / (A + C + G + T)	2,334	57.63%	5.79	0.100	44.69%Centrolabrus exoletus	56.87%	88.04%Bombus terrestris	0.03	0.15
A %A / (A + C + G + T)	2,334	31.03%	4.66	0.150	14.60%Placopecten magellanicus	31.44%	40.94%Crossaster papposus	0.28	5.3 × 10⁻⁴⁴
T %T / (A + C + G + T)	2,334	26.60%	4.08	0.154	18.18%Megalops cyprinoides	25.91%	65.12%Strongyloides ratti	−0.28	2.5 × 10⁻⁴³
G %G / (A + C + G + T)	2,334	11.40%	3.30	0.290	2.94%Bombus terrestris	10.64%	37.06%Pseudocaranx dentex	−0.23	7.5 × 10⁻²⁹
C %C / (A + C + G + T)	2,334	30.97%	4.95	0.160	5.69%Strongyloides ratti	31.86%	39.71%Centrolabrus exoletus	0.12	1.4 × 10⁻⁸
GC skew(G − C) / (G + C) on the L strand	2,334	−0.462	0.146	–	−0.686Melopsittacus undulatus	−0.490	+0.583Corbicula fluminea	−0.25	2.0 × 10⁻³⁴
AT skew(A − T) / (A + T) on the L strand	2,334	+0.076	0.109	–	−0.605Strongyloides ratti	+0.095	+0.319Megalops cyprinoides	0.37	2.7 × 10⁻⁷⁸
Length (bp)Length in base pairs	2,334	1,042	14.3	0.014	843Strongyloides ratti	1,042	1,311Hippospongia lachne	0.15	3.2 × 10⁻¹³

ND2 by class

GC content of ND2, % of A + C + G + T

Parameter

Chart

ND2 by class

ActinopterygiiRay-finned fishes	895	47.12%	3.21	0.068	34.55%Conger myriaster	47.56%	55.31%Centrolabrus exoletus	−0.02	0.6
MammaliaMammals	627	37.16%	2.76	0.074	25.77%Hemiechinus auritus	37.04%	45.59%Desmodus rotundus	0.37	1.0 × 10⁻²¹
AvesBirds	423	44.69%	2.39	0.053	35.60%Gallinago gallinago	44.52%	52.31%Campylorhynchus brunneicapillus	−0.03	0.5
ReptiliaReptiles	136	40.21%	3.12	0.078	33.78%Kinosternon leucostomum	39.65%	49.27%Lepidophyma flavimaculatum	0.13	0.12
ChondrichthyesSharks and rays	87	39.56%	3.17	0.080	31.48%Callorhinchus milii	39.77%	46.12%Isurus oxyrinchus	0.03	0.8
AmphibiaAmphibians	47	36.39%	5.01	0.138	27.86%Onychodactylus fischeri	37.17%	44.02%Bombina orientalis	0.07	0.63
BivalviaBivalves	35	36.00%	4.99	0.139	26.90%Geukensia demissa	35.53%	46.33%Cryolaternula elliptica	−0.31	0.07
MalacostracaCrustaceans	29	32.05%	2.48	0.077	26.74%Chionoecetes bairdi	31.93%	37.60%Panulirus argus	0.10	0.59
CephalopodaCephalopoda	11	24.91%	5.29	0.213	17.92%Amphioctopus fangsiao	24.59%	35.16%Ommastrephes bartramii	−0.13	0.7
CephalaspidomorphiLampreys	10	35.97%	1.59	0.044	33.69%Ichthyomyzon unicuspis	35.95%	37.72%Entosphenus minimus	−0.19	0.59
GastropodaGastropoda	9	34.79%	2.83	0.081	31.63%Aliger gigas	34.08%	39.45%Haliotis rufescens	0.31	0.41
InsectaInsects	4	15.66%	3.65	0.233	11.96%Bombus terrestris	15.33%	20.04%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	38.74%	3.02	0.078	34.30%Lepidosiren paradoxa	39.83%	40.99%Protopterus annectens	–	–
EchinoideaSea urchins	4	39.31%	0.27	0.007	39.09%Strongylocentrotus purpuratus	39.24%	39.66%Heliocidaris crassispina	–	–
PolychaetaPolychaeta	4	34.08%	2.83	0.083	29.92%Terebellides stroemii	35.21%	35.98%Nereis pelagica	–	–

Every species

Base counts on the L strand as deposited in RefSeq. Download all 2,334 rows as CSV

Loading 2,334 species…

More about this region

ND2 gene page ND2 in the taxa table Plot its GC content against lifespan