Myuchelys latisternum

Serrated snapping turtle

Maximum lifespan

26.5 yr

AnAge record

mtDNA size

16,485 bp

RefSeq NC_042475.1

GC content

38.93%

Whole genome

Non-coding

1,080 bp

D-loop 928 bp

Where Serrated snapping turtle sits among 2,335 species

Whole-genome GC content against maximum lifespan. Serrated snapping turtle has the 571st longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,485 bp

GC skew (G − C) / (G + C): −0.365
AT skew (A − T) / (A + T): +0.157

Life history

Maximum lifespan: 26.5 years
Adult weight: 1.4 kg

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 03679)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, small sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: New in build 2
In the database since: 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 genome16,485 bp

Protein-coding11,292 bp

12S rRNA967 bp

16S rRNA1,609 bp

All tRNA1,539 bp

D-loop928 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Myuchelys latisternum genes

ND1NADH dehydrogenase subunit 1	962 bp	33.6%	27.5%	11.5%	27.3%	38.88%	−0.406	+0.099
ND2NADH dehydrogenase subunit 2	1,044 bp	34.8%	26.2%	10.3%	28.6%	38.99%	−0.469	+0.140
COX1Cytochrome c oxidase subunit I	1,539 bp	30.9%	28.8%	15.5%	24.8%	40.35%	−0.230	+0.035
COX2Cytochrome c oxidase subunit II	679 bp	36.4%	24.7%	11.6%	27.2%	38.88%	−0.402	+0.190
ATP8ATP synthase F0 subunit 8	162 bp	46.3%	22.2%	4.9%	26.5%	31.48%	−0.686	+0.351
ATP6ATP synthase F0 subunit 6	687 bp	35.1%	25.5%	9.0%	30.4%	39.45%	−0.542	+0.159
COX3Cytochrome c oxidase subunit III	784 bp	31.3%	26.0%	14.8%	27.9%	42.73%	−0.307	+0.091
ND3NADH dehydrogenase subunit 3	349 bp	32.7%	27.8%	11.7%	27.8%	39.54%	−0.406	+0.081
ND4LNADH dehydrogenase subunit 4L	297 bp	29.0%	30.6%	11.8%	28.6%	40.40%	−0.417	−0.028
ND4NADH dehydrogenase subunit 4	1,381 bp	34.5%	26.8%	9.7%	29.0%	38.67%	−0.498	+0.126
ND5NADH dehydrogenase subunit 5	1,773 bp	35.9%	25.4%	9.9%	28.8%	38.69%	−0.490	+0.170
ND6NADH dehydrogenase subunit 6	528 bp	47.7%	14.4%	7.6%	30.3%	37.88%	−0.600	+0.537
CYTBCytochrome b	1,128 bp	32.4%	25.1%	11.2%	31.3%	42.47%	−0.474	+0.128
12S rRNA12S ribosomal RNA	967 bp	37.4%	21.2%	16.3%	25.0%	41.37%	−0.210	+0.277
16S rRNA16S ribosomal RNA	1,609 bp	39.3%	23.0%	16.4%	21.3%	37.66%	−0.129	+0.262
D-loopControl region (D-loop)	928 bp	33.9%	34.2%	11.9%	20.0%	31.90%	−0.257	−0.003

Codon usage

Counts per codon, darker is more frequent

Gene

3,769 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.4%

UUU76

UUC128

Leu L16.9%

UUA117

UUG27

CUU75

CUC54

CUA345

CUG19

Ile I8.4%

AUU147

AUC169

Met M6.3%

AUA213

AUG24

Val V4.1%

GUU35

GUC22

GUA83

GUG15

Ser S7.4%

UCU42

UCC56

UCA128

UCG5

AGU15

AGC32

Pro P5.4%

CCU22

CCC40

CCA138

CCG4

Thr T9.2%

ACU50

ACC120

ACA174

ACG2

Ala A6.3%

GCU46

GCC114

GCA76

GCG1

Tyr Y3.4%

UAU51

UAC77

His H2.7%

CAU29

CAC74

Gln Q2.9%

CAA104

CAG4

Asn N3.6%

AAU41

AAC96

Lys K2.6%

AAA92

AAG6

Asp D1.8%

GAU24

GAC45

Glu E2.5%

GAA80

GAG13

Cys C0.8%

UGU12

UGC20

Trp W2.8%

UGA93

UGG11

Arg R1.8%

CGU6

CGC8

CGA50

CGG2

Gly G5.5%

GGU34

GGC39

GGA99

GGG37

Stop 0.2%

UAA5

UAG2

AGA1

AGG0

Genome map

38 annotated features in NC_042475.1

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 (38.9%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Myuchelys latisternum (NC_042475.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	68	68 bp	+	–
12S rRNA	Ribosomal RNA	69	1,035	967 bp	+	41.4%
tRNA-Val	Transfer RNA	1,036	1,105	70 bp	+	–
16S rRNA	Ribosomal RNA	1,106	2,714	1,609 bp	+	37.7%
tRNA-Leu (UUR)	Transfer RNA	2,717	2,791	75 bp	+	–
ND1	Protein-coding gene	2,796	3,757	962 bp	+	38.9%
tRNA-Ile	Transfer RNA	3,758	3,830	73 bp	+	–
tRNA-Gln	Transfer RNA	3,830	3,900	71 bp	−	–
tRNA-Met	Transfer RNA	3,900	3,969	70 bp	+	–
ND2	Protein-coding gene	3,969	5,012	1,044 bp	+	39.0%
tRNA-Trp	Transfer RNA	5,014	5,085	72 bp	+	–
tRNA-Ala	Transfer RNA	5,088	5,156	69 bp	−	–
tRNA-Asn	Transfer RNA	5,158	5,231	74 bp	−	–
tRNA-Cys	Transfer RNA	5,251	5,318	68 bp	−	–
tRNA-Tyr	Transfer RNA	5,320	5,389	70 bp	−	–
COX1	Protein-coding gene	5,391	6,929	1,539 bp	+	40.4%
tRNA-Ser (UCN)	Transfer RNA	6,932	7,003	72 bp	−	–
tRNA-Asp	Transfer RNA	7,017	7,083	67 bp	+	–
COX2	Protein-coding gene	7,084	7,762	679 bp	+	38.9%
tRNA-Lys	Transfer RNA	7,762	7,835	74 bp	+	–
ATP8	Protein-coding gene	7,838	7,999	162 bp	+	31.5%
ATP6	Protein-coding gene	7,990	8,676	687 bp	+	39.5%
COX3	Protein-coding gene	8,673	9,456	784 bp	+	42.7%
tRNA-Gly	Transfer RNA	9,457	9,525	69 bp	+	–
ND3	Protein-coding gene	9,526	9,875	350 bp	+	39.5%
tRNA-Arg	Transfer RNA	9,876	9,943	68 bp	+	–
ND4L	Protein-coding gene	9,944	10,240	297 bp	+	40.4%
ND4	Protein-coding gene	10,234	11,614	1,381 bp	+	38.7%
tRNA-His	Transfer RNA	11,615	11,684	70 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,685	11,747	63 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,747	11,818	72 bp	+	–
ND5	Protein-coding gene	11,819	13,591	1,773 bp	+	38.7%
ND6	Protein-coding gene	13,635	14,162	528 bp	−	37.9%
tRNA-Glu	Transfer RNA	14,164	14,232	69 bp	−	–
CYTB	Protein-coding gene	14,291	15,418	1,128 bp	+	42.5%
tRNA-Thr	Transfer RNA	15,420	15,489	70 bp	+	–
tRNA-Pro	Transfer RNA	15,491	15,558	68 bp	−	–
D-loop	Control region	15,558	16,485	928 bp	–	31.9%