MitoAge

Chelydra serpentina

Common snapping turtle

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Maximum lifespan
47 yr
AnAge record
mtDNA size
16,631 bp
RefSeq NC_011198.1
GC content
37.71%
Whole genome
Non-coding
1,170 bp
D-loop 1,125 bp

Where Common snapping turtle sits among 2,335 species

Whole-genome GC content against maximum lifespan. Common snapping turtle has the 178th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Common snapping turtle
  • This species
  • Other reptiles
  • Other classes
Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,631 bp
GC skew (G − C) / (G + C)
−0.331
AT skew (A − T) / (A + T)
+0.105

Life history

Maximum lifespan
47 years
Adult weight
10.3 kg
Female sexual maturity
9 years
Male sexual maturity
7.2 years

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03687)

About this record

Lifespan source
AnAge build 15
Based on
an animal in the wild
Data quality
acceptable, medium 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 genome16,631 bp
Protein-coding11,357 bp
12S rRNA965 bp
16S rRNA1,606 bp
All tRNA1,546 bp
D-loop1,125 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1970 bp31.4%30.6%11.4%26.5%37.94%−0.397+0.013
ND2NADH dehydrogenase subunit 21,039 bp37.3%26.7%8.5%27.5%36.00%−0.529+0.167
COX1Cytochrome c oxidase subunit I1,548 bp30.0%30.9%16.3%22.7%39.02%−0.166−0.015
COX2Cytochrome c oxidase subunit II684 bp36.0%29.5%12.7%21.8%34.50%−0.263+0.098
ATP8ATP synthase F0 subunit 8165 bp40.0%26.1%4.2%29.7%33.94%−0.750+0.211
ATP6ATP synthase F0 subunit 6684 bp35.1%27.8%8.9%28.2%37.14%−0.520+0.116
COX3Cytochrome c oxidase subunit III785 bp29.9%28.0%14.9%27.1%42.04%−0.291+0.033
ND3NADH dehydrogenase subunit 3349 bp30.9%30.4%11.7%26.9%38.68%−0.393+0.009
ND4LNADH dehydrogenase subunit 4L297 bp28.6%32.3%9.8%29.3%39.06%−0.500−0.061
ND4NADH dehydrogenase subunit 41,384 bp35.7%28.5%10.0%25.8%35.77%−0.442+0.111
ND5NADH dehydrogenase subunit 51,806 bp34.6%27.3%10.6%27.6%38.15%−0.446+0.117
ND6NADH dehydrogenase subunit 6525 bp46.5%16.0%8.6%29.0%37.52%−0.543+0.488
CYTBCytochrome b1,144 bp31.0%27.9%11.5%29.5%41.08%−0.438+0.053
12S rRNA12S ribosomal RNA965 bp36.0%21.8%17.0%25.3%42.28%−0.196+0.246
16S rRNA16S ribosomal RNA1,606 bp38.8%23.8%16.1%21.2%37.36%−0.137+0.239
D-loopControl region (D-loop)1,125 bp32.4%37.1%12.0%18.6%30.58%−0.215−0.068

Codon usage

Counts per codon, darker is more frequent

3,791 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%
UUU105
UUC118
Leu L16.1%
UUA201
UUG14
CUU78
CUC53
CUA244
CUG20
Ile I8.1%
AUU175
AUC132
Met M6.7%
AUA228
AUG26
Val V4.3%
GUU36
GUC18
GUA86
GUG23
Ser S7.0%
UCU40
UCC54
UCA126
UCG2
AGU17
AGC28
Pro P5.5%
CCU29
CCC43
CCA133
CCG3
Thr T9.1%
ACU64
ACC126
ACA152
ACG4
Ala A6.6%
GCU49
GCC112
GCA88
GCG2
Tyr Y3.5%
UAU70
UAC63
His H2.7%
CAU44
CAC57
Gln Q2.8%
CAA101
CAG6
Asn N3.8%
AAU48
AAC95
Lys K2.4%
AAA89
AAG1
Asp D1.7%
GAU27
GAC36
Glu E2.3%
GAA82
GAG6
Cys C0.8%
UGU17
UGC15
Trp W3.0%
UGA102
UGG10
Arg R1.8%
CGU8
CGC7
CGA51
CGG4
Gly G5.7%
GGU49
GGC53
GGA89
GGG25
Stop 0.2%
UAA5
UAG0
AGA0
AGG2

Genome map

38 annotated features in NC_011198.1

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 (37.7%, 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 RNA711,035965 bp+42.3%
tRNA-ValTransfer RNA1,0361,10570 bp+–
16S rRNARibosomal RNA1,1062,7111,606 bp+37.4%
tRNA-Leu (UUR)Transfer RNA2,7122,78675 bp+–
ND1Protein-coding gene2,7873,756970 bp+37.9%
tRNA-IleTransfer RNA3,7583,82972 bp+–
tRNA-GlnTransfer RNA3,8293,89971 bp−–
tRNA-MetTransfer RNA3,8993,96769 bp+–
ND2Protein-coding gene3,9685,0061,039 bp+36.0%
tRNA-TrpTransfer RNA5,0075,08074 bp+–
tRNA-AlaTransfer RNA5,0825,15069 bp−–
tRNA-AsnTransfer RNA5,1525,22473 bp−–
tRNA-CysTransfer RNA5,2525,31665 bp−–
tRNA-TyrTransfer RNA5,3245,39370 bp−–
COX1Protein-coding gene5,3956,9421,548 bp+39.0%
tRNA-Ser (UCN)Transfer RNA6,9347,00471 bp−–
tRNA-AspTransfer RNA7,0077,07670 bp+–
COX2Protein-coding gene7,0777,760684 bp+34.5%
tRNA-LysTransfer RNA7,7617,83575 bp+–
ATP8Protein-coding gene7,8368,000165 bp+33.9%
ATP6Protein-coding gene7,9918,674684 bp+37.1%
COX3Protein-coding gene8,6749,458785 bp+42.0%
tRNA-GlyTransfer RNA9,4589,52568 bp+–
ND3Protein-coding gene9,5269,875350 bp+38.7%
tRNA-ArgTransfer RNA9,8769,94570 bp+–
ND4LProtein-coding gene9,94610,242297 bp+39.1%
ND4Protein-coding gene10,23611,6191,384 bp+35.8%
tRNA-HisTransfer RNA11,61711,68670 bp+–
tRNA-Ser (AGY)Transfer RNA11,68711,75367 bp+–
tRNA-Leu (CUN)Transfer RNA11,75311,82472 bp+–
ND5Protein-coding gene11,82513,6301,806 bp+38.2%
ND6Protein-coding gene13,62614,150525 bp−37.5%
tRNA-GluTransfer RNA14,15114,21868 bp−–
CYTBProtein-coding gene14,22215,3651,144 bp+41.1%
tRNA-ThrTransfer RNA15,36615,43570 bp+–
tRNA-ProTransfer RNA15,43715,50670 bp−–
D-loopControl region15,50716,6311,125 bp–30.6%

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