MitoAge

Equus caballus

Horse

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Maximum lifespan
57 yr
AnAge record
mtDNA size
16,624 bp
RefSeq NC_091244.1
GC content
41.98%
Whole genome
Non-coding
1,229 bp
D-loop 1,160 bp

Where Horse sits among 2,335 species

Whole-genome GC content against maximum lifespan. Horse has the 104th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Horse
  • This species
  • Other mammals
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,624 bp
GC skew (G − C) / (G + C)
−0.360
AT skew (A − T) / (A + T)
+0.109

Life history

Maximum lifespan
57 years
Adult weight
300 kg
Birth weight
38 kg
Body temperature
38.3 °C
Female sexual maturity
2.5 years
Male sexual maturity
2.7 years
Gestation or incubation
337 days
Litter or clutch size
1
Litters per year
1

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02637)

About this record

Lifespan source
AnAge build 15
Based on
an animal in captivity
Data quality
high, large sample
Licence
Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status
Updated in build 2
In the database since
build 1 (2015-07-01)
Last changed
build 2 (2026-11-13)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq
Whole genome16,624 bp
Protein-coding11,329 bp
12S rRNA976 bp
16S rRNA1,579 bp
All tRNA1,514 bp
D-loop1,160 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1956 bp30.5%26.2%11.8%31.5%43.31%−0.454+0.077
ND2NADH dehydrogenase subunit 21,039 bp35.5%25.6%8.6%30.3%38.88%−0.559+0.162
COX1Cytochrome c oxidase subunit I1,545 bp27.9%28.5%16.4%27.2%43.63%−0.249−0.010
COX2Cytochrome c oxidase subunit II684 bp32.3%25.3%14.2%28.2%42.40%−0.331+0.122
ATP8ATP synthase F0 subunit 8204 bp38.7%25.5%9.3%26.5%35.78%−0.479+0.206
ATP6ATP synthase F0 subunit 6681 bp31.0%26.3%11.7%31.0%42.73%−0.450+0.082
COX3Cytochrome c oxidase subunit III784 bp27.7%26.9%14.9%30.5%45.41%−0.343+0.014
ND3NADH dehydrogenase subunit 3346 bp31.5%26.6%11.8%30.1%41.91%−0.434+0.085
ND4LNADH dehydrogenase subunit 4L297 bp30.3%28.6%12.1%29.0%41.08%−0.410+0.029
ND4NADH dehydrogenase subunit 41,378 bp32.1%26.1%11.0%30.8%41.80%−0.476+0.105
ND5NADH dehydrogenase subunit 51,815 bp31.0%26.1%10.9%32.1%42.98%−0.492+0.086
ND6NADH dehydrogenase subunit 6528 bp41.7%18.6%7.0%32.8%39.77%−0.648+0.384
CYTBCytochrome b1,140 bp28.1%26.3%13.3%32.3%45.61%−0.415+0.032
12S rRNA12S ribosomal RNA976 bp36.6%21.4%17.7%24.3%42.01%−0.156+0.261
16S rRNA16S ribosomal RNA1,579 bp36.7%25.1%16.5%21.6%38.13%−0.133+0.187
D-loopControl region (D-loop)1,160 bp27.7%26.5%15.3%30.6%45.86%−0.335+0.022

Codon usage

Counts per codon, darker is more frequent

3,797 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.3%
UUU76
UUC162
Leu L16.1%
UUA59
UUG21
CUU67
CUC141
CUA285
CUG39
Ile I8.9%
AUU130
AUC208
Met M6.1%
AUA183
AUG47
Val V5.0%
GUU34
GUC51
GUA76
GUG27
Ser S8.1%
UCU36
UCC73
UCA122
UCG9
AGU11
AGC55
Pro P5.0%
CCU38
CCC70
CCA76
CCG7
Thr T8.3%
ACU56
ACC104
ACA144
ACG12
Ala A6.2%
GCU52
GCC102
GCA76
GCG5
Tyr Y3.4%
UAU46
UAC82
His H2.7%
CAU23
CAC79
Gln Q2.4%
CAA82
CAG9
Asn N3.9%
AAU38
AAC111
Lys K2.6%
AAA87
AAG10
Asp D1.7%
GAU26
GAC40
Glu E2.6%
GAA76
GAG21
Cys C0.6%
UGU5
UGC18
Trp W2.7%
UGA96
UGG8
Arg R1.7%
CGU8
CGC16
CGA37
CGG3
Gly G5.6%
GGU23
GGC62
GGA100
GGG29
Stop 0.2%
UAA7
UAG0
AGA1
AGG0

Genome map

38 annotated features in NC_091244.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

  • Protein-coding13
  • rRNA2
  • tRNA22
  • D-loop1
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (42.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17070 bp+–
12S rRNARibosomal RNA711,046976 bp+42.0%
tRNA-ValTransfer RNA1,0471,11367 bp+–
16S rRNARibosomal RNA1,1142,6921,579 bp+38.1%
tRNA-Leu (UUR)Transfer RNA2,6932,76775 bp+–
ND1Protein-coding gene2,7703,725956 bp+43.3%
tRNA-IleTransfer RNA3,7263,79469 bp+–
tRNA-GlnTransfer RNA3,7923,86473 bp−–
tRNA-MetTransfer RNA3,8673,93569 bp+–
ND2Protein-coding gene3,9364,9741,039 bp+38.9%
tRNA-TrpTransfer RNA4,9755,04470 bp+–
tRNA-AlaTransfer RNA5,0505,11869 bp−–
tRNA-AsnTransfer RNA5,1205,19273 bp−–
tRNA-CysTransfer RNA5,2255,29066 bp−–
tRNA-TyrTransfer RNA5,2915,35767 bp−–
COX1Protein-coding gene5,3596,9031,545 bp+43.6%
tRNA-Ser (UCN)Transfer RNA6,9016,96969 bp−–
tRNA-AspTransfer RNA6,9787,04467 bp+–
COX2Protein-coding gene7,0457,728684 bp+42.4%
tRNA-LysTransfer RNA7,7327,79968 bp+–
ATP8Protein-coding gene7,8018,004204 bp+35.8%
ATP6Protein-coding gene7,9628,642681 bp+42.7%
COX3Protein-coding gene8,6429,425784 bp+45.4%
tRNA-GlyTransfer RNA9,4269,49469 bp+–
ND3Protein-coding gene9,4959,840346 bp+41.9%
tRNA-ArgTransfer RNA9,8429,91069 bp+–
ND4LProtein-coding gene9,91210,208297 bp+41.1%
ND4Protein-coding gene10,20211,5791,378 bp+41.8%
tRNA-HisTransfer RNA11,58011,64869 bp+–
tRNA-Ser (AGY)Transfer RNA11,64811,70861 bp+–
tRNA-Leu (CUN)Transfer RNA11,71011,77970 bp+–
ND5Protein-coding gene11,78613,6001,815 bp+43.0%
ND6Protein-coding gene13,58414,111528 bp−39.8%
tRNA-GluTransfer RNA14,11214,18069 bp−–
CYTBProtein-coding gene14,18515,3241,140 bp+45.6%
tRNA-ThrTransfer RNA15,32515,39773 bp+–
tRNA-ProTransfer RNA15,39915,46466 bp−–
D-loopControl region15,46516,6241,160 bp–45.9%

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