Platemys platycephala

Twistneck turtle

Maximum lifespan

20 yr

AnAge record

mtDNA size

16,553 bp

RefSeq NC_026050.1

GC content

40.11%

Whole genome

Non-coding

1,123 bp

D-loop 984 bp

Where Twistneck turtle sits among 2,335 species

Whole-genome GC content against maximum lifespan. Twistneck turtle has the 908th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,553 bp

GC skew (G − C) / (G + C): −0.374
AT skew (A − T) / (A + T): +0.155

Life history

Maximum lifespan: 20 years
Adult weight: 325 g

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03682)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, tiny sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: Unchanged since build 1
In the database since: build 1 (2015-07-01)

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

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome16,553 bp

Protein-coding11,308 bp

12S rRNA971 bp

16S rRNA1,612 bp

All tRNA1,540 bp

D-loop984 bp

Genes and regions

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

Base composition of Platemys platycephala genes

ND1NADH dehydrogenase subunit 1	968 bp	31.6%	26.8%	11.4%	30.3%	41.63%	−0.454	+0.083
ND2NADH dehydrogenase subunit 2	1,044 bp	35.4%	27.3%	9.5%	27.8%	37.26%	−0.491	+0.130
COX1Cytochrome c oxidase subunit I	1,548 bp	30.4%	27.8%	15.7%	26.1%	41.80%	−0.249	+0.046
COX2Cytochrome c oxidase subunit II	682 bp	35.5%	23.9%	12.5%	28.2%	40.62%	−0.386	+0.195
ATP8ATP synthase F0 subunit 8	162 bp	42.6%	17.9%	8.0%	31.5%	39.51%	−0.594	+0.408
ATP6ATP synthase F0 subunit 6	687 bp	34.8%	26.6%	7.9%	30.7%	38.57%	−0.592	+0.133
COX3Cytochrome c oxidase subunit III	785 bp	32.4%	25.7%	14.0%	27.9%	41.91%	−0.331	+0.114
ND3NADH dehydrogenase subunit 3	349 bp	33.0%	28.4%	11.2%	27.5%	38.68%	−0.422	+0.075
ND4LNADH dehydrogenase subunit 4L	297 bp	27.9%	28.3%	10.8%	33.0%	43.77%	−0.508	−0.006
ND4NADH dehydrogenase subunit 4	1,378 bp	32.6%	25.3%	10.2%	31.9%	42.09%	−0.517	+0.125
ND5NADH dehydrogenase subunit 5	1,773 bp	35.3%	25.2%	9.2%	30.2%	39.48%	−0.531	+0.167
ND6NADH dehydrogenase subunit 6	528 bp	48.9%	13.1%	7.0%	31.1%	38.07%	−0.632	+0.578
CYTBCytochrome b	1,128 bp	31.3%	24.7%	12.1%	31.8%	43.97%	−0.448	+0.117
12S rRNA12S ribosomal RNA	971 bp	36.8%	22.0%	17.1%	24.1%	41.20%	−0.170	+0.250
16S rRNA16S ribosomal RNA	1,612 bp	39.4%	21.3%	16.4%	22.9%	39.27%	−0.166	+0.297
D-loopControl region (D-loop)	984 bp	30.9%	33.3%	15.4%	20.3%	35.77%	−0.136	−0.038

Codon usage

Counts per codon, darker is more frequent

Gene

3,774 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.5%

UUU94

UUC114

Leu L17.0%

UUA132

UUG20

CUU87

CUC82

CUA294

CUG27

Ile I7.5%

AUU124

AUC159

Met M6.4%

AUA214

AUG28

Val V4.2%

GUU26

GUC35

GUA77

GUG22

Ser S7.3%

UCU36

UCC76

UCA113

UCG6

AGU12

AGC32

Pro P5.7%

CCU18

CCC66

CCA126

CCG4

Thr T9.7%

ACU61

ACC139

ACA162

ACG5

Ala A6.0%

GCU51

GCC112

GCA63

GCG1

Tyr Y3.2%

UAU40

UAC80

His H2.8%

CAU30

CAC77

Gln Q2.9%

CAA105

CAG6

Asn N3.8%

AAU38

AAC106

Lys K2.6%

AAA89

AAG8

Asp D1.7%

GAU17

GAC49

Glu E2.5%

GAA86

GAG7

Cys C0.7%

UGU9

UGC18

Trp W2.8%

UGA94

UGG12

Arg R1.7%

CGU6

CGC5

CGA51

CGG1

Gly G5.7%

GGU28

GGC52

GGA109

GGG25

Stop 0.2%

UAA5

UAG1

AGA1

AGG1

Genome map

38 annotated features in NC_026050.1

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 (40.1%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Platemys platycephala (NC_026050.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	75	75 bp	+	–
12S rRNA	Ribosomal RNA	76	1,046	971 bp	+	41.2%
tRNA-Val	Transfer RNA	1,047	1,116	70 bp	+	–
16S rRNA	Ribosomal RNA	1,117	2,728	1,612 bp	+	39.3%
tRNA-Leu (UUR)	Transfer RNA	2,729	2,802	74 bp	+	–
ND1	Protein-coding gene	2,803	3,770	968 bp	+	41.6%
tRNA-Ile	Transfer RNA	3,771	3,841	71 bp	+	–
tRNA-Gln	Transfer RNA	3,841	3,912	72 bp	−	–
tRNA-Met	Transfer RNA	3,912	3,980	69 bp	+	–
ND2	Protein-coding gene	3,981	5,024	1,044 bp	+	37.3%
tRNA-Trp	Transfer RNA	5,026	5,097	72 bp	+	–
tRNA-Ala	Transfer RNA	5,101	5,169	69 bp	−	–
tRNA-Asn	Transfer RNA	5,171	5,245	75 bp	−	–
tRNA-Cys	Transfer RNA	5,265	5,331	67 bp	−	–
tRNA-Tyr	Transfer RNA	5,333	5,404	72 bp	−	–
COX1	Protein-coding gene	5,406	6,953	1,548 bp	+	41.8%
tRNA-Ser (UCN)	Transfer RNA	6,961	7,022	62 bp	−	–
tRNA-Asp	Transfer RNA	7,035	7,102	68 bp	+	–
COX2	Protein-coding gene	7,103	7,784	682 bp	+	40.6%
tRNA-Lys	Transfer RNA	7,785	7,858	74 bp	+	–
ATP8	Protein-coding gene	7,860	8,021	162 bp	+	39.5%
ATP6	Protein-coding gene	8,012	8,698	687 bp	+	38.6%
COX3	Protein-coding gene	8,695	9,479	785 bp	+	41.9%
tRNA-Gly	Transfer RNA	9,479	9,547	69 bp	+	–
ND3	Protein-coding gene	9,548	9,896	349 bp	+	38.7%
tRNA-Arg	Transfer RNA	9,897	9,964	68 bp	+	–
ND4L	Protein-coding gene	9,966	10,262	297 bp	+	43.8%
ND4	Protein-coding gene	10,256	11,633	1,378 bp	+	42.1%
tRNA-His	Transfer RNA	11,634	11,704	71 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,705	11,769	65 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,769	11,841	73 bp	+	–
ND5	Protein-coding gene	11,842	13,614	1,773 bp	+	39.5%
ND6	Protein-coding gene	13,659	14,186	528 bp	−	38.1%
tRNA-Glu	Transfer RNA	14,188	14,256	69 bp	−	–
CYTB	Protein-coding gene	14,300	15,427	1,128 bp	+	44.0%
tRNA-Thr	Transfer RNA	15,430	15,498	69 bp	+	–
tRNA-Pro	Transfer RNA	15,501	15,569	69 bp	−	–
D-loop	Control region	15,570	16,553	984 bp	–	35.8%