Gene set · mtDNA statistics

All tRNA

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

All tRNA in all species

Every parameter summarised over 2,335 species

All tRNA in all species
Parameter	Species	Mean	SD	CV	Min	Median	Max	r	p
GC %(G + C) / (A + C + G + T)	2,335	41.09%	4.48	0.109	12.35%Bombus terrestris	42.07%	52.41%Trachinocephalus myops	−0.05	0.02
AT %(A + T) / (A + C + G + T)	2,335	58.91%	4.48	0.076	47.59%Trachinocephalus myops	57.93%	87.65%Bombus terrestris	0.05	0.02
A %A / (A + C + G + T)	2,335	32.61%	2.40	0.073	20.63%Ylistrum balloti	32.65%	45.12%Apis mellifera	0.18	1.2 × 10⁻¹⁸
T %T / (A + C + G + T)	2,335	26.30%	2.61	0.099	21.81%Saurida elongata	25.43%	44.07%Bombus terrestris	−0.08	6.5 × 10⁻⁵
G %G / (A + C + G + T)	2,335	17.79%	2.47	0.139	5.05%Bombus terrestris	17.32%	31.32%Ylistrum balloti	−0.17	7.0 × 10⁻¹⁶
C %C / (A + C + G + T)	2,335	23.30%	2.67	0.115	7.30%Bombus terrestris	24.23%	28.63%Gonatodes albogularis	0.07	4.9 × 10⁻⁴
GC skew(G − C) / (G + C) on the L strand	2,335	−0.135	0.066	–	−0.310Otolemur crassicaudatus	−0.139	+0.367Hippospongia lachne	−0.24	3.5 × 10⁻³¹
AT skew(A − T) / (A + T) on the L strand	2,335	+0.108	0.038	–	−0.158Argopecten irradians	+0.113	+0.194Eclectus roratus	0.26	1.2 × 10⁻³⁶
Length (bp)Length in base pairs	2,335	1,538	99.7	0.065	141Hippospongia lachne	1,545	4,882Chanodichthys mongolicus	0.03	0.15

All tRNA by class

GC content of all tRNA genes, % of A + C + G + T

Parameter

Chart

All tRNA by class

ActinopterygiiRay-finned fishes	895	45.12%	1.47	0.033	38.15%Nothobranchius kuhntae	45.34%	52.41%Trachinocephalus myops	−0.06	0.08
MammaliaMammals	627	36.56%	1.51	0.041	32.22%Didelphis virginiana	36.38%	42.64%Desmodus rotundus	0.45	3.2 × 10⁻³³
AvesBirds	423	42.35%	1.08	0.025	39.87%Grallina cyanoleuca	42.26%	45.99%Phaethon lepturus	0.13	0.007
ReptiliaReptiles	136	40.58%	2.33	0.057	34.42%Heloderma suspectum	40.58%	47.56%Gonatodes albogularis	−0.11	0.18
ChondrichthyesSharks and rays	87	38.56%	1.44	0.037	33.22%Callorhinchus capensis	38.96%	40.70%Triakis semifasciata	0.05	0.66
AmphibiaAmphibians	47	38.81%	3.83	0.099	31.42%Dermophis mexicanus	38.53%	44.55%Bombina variegata	0.02	0.91
BivalviaBivalves	35	37.61%	6.09	0.162	28.93%Mercenaria mercenaria	35.83%	51.01%Ylistrum balloti	−0.38	0.03
MalacostracaCrustaceans	30	30.50%	2.84	0.093	25.49%Cancer pagurus	29.87%	36.10%Aristaeomorpha foliacea	−0.15	0.42
CephalopodaCephalopoda	11	25.57%	2.39	0.094	21.67%Amphioctopus fangsiao	25.90%	28.90%Ommastrephes bartramii	0.04	0.91
CephalaspidomorphiLampreys	10	39.03%	0.84	0.022	37.49%Ichthyomyzon unicuspis	39.26%	39.76%Lethenteron reissneri	−0.06	0.86
GastropodaGastropoda	9	36.91%	2.62	0.071	33.04%Littorina saxatilis	36.77%	41.13%Haliotis rufescens	0.30	0.43
InsectaInsects	4	17.80%	5.97	0.335	12.35%Bombus terrestris	17.86%	23.16%Ceratitis capitata	–	–
SarcopterygiiLobe-finned fishes	4	42.59%	1.48	0.035	40.81%Lepidosiren paradoxa	42.55%	44.44%Protopterus annectens	–	–
EchinoideaSea urchins	4	39.69%	0.23	0.006	39.51%Strongylocentrotus droebachiensis	39.61%	40.01%Mesocentrotus franciscanus	–	–
PolychaetaPolychaeta	4	34.84%	2.16	0.062	33.71%Lamellibrachia luymesi	33.79%	38.07%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

All tRNA in the taxa table Plot its GC content against lifespan