Gyrinophilus porphyriticus

Spring salamander

Maximum lifespan

18.5 yr

AnAge record

mtDNA size

16,778 bp

RefSeq NC_006341.1

GC content

37.59%

Whole genome

Non-coding

1,481 bp

D-loop 767 bp

Where Spring salamander sits among 2,335 species

Whole-genome GC content against maximum lifespan. Spring salamander has the 1,016th longest lifespan of them.

This species
Other amphibians
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,778 bp

GC skew (G − C) / (G + C): −0.281
AT skew (A − T) / (A + T): +0.105

Life history

Maximum lifespan: 18.5 years
Female sexual maturity: 4 years
Male sexual maturity: 4 years
Litter or clutch size: 61

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 00168)

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: 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 genome16,778 bp

Protein-coding11,322 bp

12S rRNA910 bp

16S rRNA1,547 bp

All tRNA1,526 bp

D-loop767 bp

Genes and regions

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

Base composition of Gyrinophilus porphyriticus genes

ND1NADH dehydrogenase subunit 1	960 bp	32.9%	30.6%	12.0%	24.5%	36.46%	−0.343	+0.036
ND2NADH dehydrogenase subunit 2	1,041 bp	36.7%	27.8%	9.3%	26.2%	35.54%	−0.476	+0.139
COX1Cytochrome c oxidase subunit I	1,545 bp	28.2%	31.8%	16.4%	23.7%	40.07%	−0.183	−0.060
COX2Cytochrome c oxidase subunit II	688 bp	34.3%	27.8%	13.5%	24.4%	37.94%	−0.287	+0.105
ATP8ATP synthase F0 subunit 8	165 bp	41.8%	29.7%	5.5%	23.0%	28.49%	−0.617	+0.169
ATP6ATP synthase F0 subunit 6	684 bp	31.4%	31.9%	10.4%	26.3%	36.70%	−0.434	−0.007
COX3Cytochrome c oxidase subunit III	784 bp	29.0%	30.5%	14.9%	25.6%	40.56%	−0.264	−0.026
ND3NADH dehydrogenase subunit 3	348 bp	28.7%	32.2%	14.4%	24.7%	39.08%	−0.265	−0.057
ND4LNADH dehydrogenase subunit 4L	297 bp	31.0%	29.6%	10.1%	29.0%	39.19%	−0.483	+0.022
ND4NADH dehydrogenase subunit 4	1,372 bp	32.9%	29.7%	11.2%	26.2%	37.39%	−0.404	+0.052
ND5NADH dehydrogenase subunit 5	1,796 bp	34.6%	29.5%	11.4%	24.5%	35.86%	−0.366	+0.080
ND6NADH dehydrogenase subunit 6	519 bp	45.1%	15.2%	10.6%	29.1%	39.69%	−0.466	+0.495
CYTBCytochrome b	1,141 bp	31.9%	31.6%	12.9%	23.6%	36.46%	−0.293	+0.004
12S rRNA12S ribosomal RNA	910 bp	37.1%	21.5%	18.4%	23.0%	41.32%	−0.112	+0.266
16S rRNA16S ribosomal RNA	1,547 bp	38.6%	22.6%	17.1%	21.7%	38.85%	−0.118	+0.262
D-loopControl region (D-loop)	767 bp	32.7%	31.3%	14.9%	21.1%	35.98%	−0.174	+0.022

Codon usage

Counts per codon, darker is more frequent

Gene

3,777 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.1%

UUU172

UUC57

Leu L16.4%

UUA198

UUG21

CUU117

CUC79

CUA183

CUG23

Ile I8.2%

AUU229

AUC81

Met M6.2%

AUA202

AUG32

Val V4.7%

GUU55

GUC24

GUA85

GUG15

Ser S7.1%

UCU60

UCC50

UCA109

UCG3

AGU14

AGC34

Pro P5.3%

CCU30

CCC38

CCA124

CCG9

Thr T8.9%

ACU47

ACC109

ACA175

ACG7

Ala A6.9%

GCU44

GCC107

GCA99

GCG9

Tyr Y2.7%

UAU63

UAC38

His H2.5%

CAU25

CAC70

Gln Q2.6%

CAA92

CAG7

Asn N3.9%

AAU76

AAC72

Lys K2.4%

AAA85

AAG6

Asp D1.8%

GAU36

GAC32

Glu E2.6%

GAA86

GAG13

Cys C0.7%

UGU10

UGC18

Trp W2.8%

UGA100

UGG6

Arg R1.8%

CGU7

CGC11

CGA48

CGG2

Gly G6.0%

GGU27

GGC50

GGA118

GGG30

Stop 0.2%

UAA6

UAG1

AGA1

AGG0

Genome map

38 annotated features in NC_006341.1

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 (37.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Gyrinophilus porphyriticus (NC_006341.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	70	70 bp	+	–
12S rRNA	Ribosomal RNA	71	980	910 bp	+	41.3%
tRNA-Val	Transfer RNA	981	1,049	69 bp	+	–
16S rRNA	Ribosomal RNA	1,050	2,596	1,547 bp	+	38.9%
tRNA-Leu (UUR)	Transfer RNA	2,597	2,671	75 bp	+	–
ND1	Protein-coding gene	2,672	3,631	960 bp	+	36.5%
tRNA-Ile	Transfer RNA	3,631	3,701	71 bp	+	–
tRNA-Gln	Transfer RNA	3,705	3,775	71 bp	−	–
tRNA-Met	Transfer RNA	3,776	3,844	69 bp	+	–
ND2	Protein-coding gene	3,845	4,885	1,041 bp	+	35.5%
tRNA-Trp	Transfer RNA	4,884	4,952	69 bp	+	–
tRNA-Ala	Transfer RNA	4,956	5,022	67 bp	−	–
tRNA-Asn	Transfer RNA	5,023	5,092	70 bp	−	–
tRNA-Cys	Transfer RNA	5,127	5,192	66 bp	−	–
tRNA-Tyr	Transfer RNA	5,193	5,259	67 bp	−	–
COX1	Protein-coding gene	5,261	6,805	1,545 bp	+	40.1%
tRNA-Ser (UCN)	Transfer RNA	6,808	6,878	71 bp	−	–
tRNA-Asp	Transfer RNA	6,878	6,946	69 bp	+	–
COX2	Protein-coding gene	6,947	7,634	688 bp	+	37.9%
tRNA-Lys	Transfer RNA	7,635	7,706	72 bp	+	–
ATP8	Protein-coding gene	7,708	7,872	165 bp	+	28.5%
ATP6	Protein-coding gene	7,863	8,546	684 bp	+	36.7%
COX3	Protein-coding gene	8,546	9,329	784 bp	+	40.6%
tRNA-Gly	Transfer RNA	9,330	9,397	68 bp	+	–
ND3	Protein-coding gene	9,398	9,745	348 bp	+	39.1%
tRNA-Arg	Transfer RNA	9,744	9,812	69 bp	+	–
ND4L	Protein-coding gene	9,813	10,109	297 bp	+	39.2%
ND4	Protein-coding gene	10,103	11,474	1,372 bp	+	37.4%
tRNA-His	Transfer RNA	11,475	11,543	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,544	11,610	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,610	11,680	71 bp	+	–
ND5	Protein-coding gene	11,681	13,476	1,796 bp	+	35.9%
ND6	Protein-coding gene	13,478	13,996	519 bp	−	39.7%
tRNA-Glu	Transfer RNA	13,994	14,061	68 bp	−	–
CYTB	Protein-coding gene	14,064	15,204	1,141 bp	+	36.5%
tRNA-Thr	Transfer RNA	15,205	15,273	69 bp	+	–
tRNA-Pro	Transfer RNA	15,941	16,011	71 bp	−	–
D-loop	Control region	16,012	16,778	767 bp	–	36.0%