Hypsiglena torquata

Night snake

Maximum lifespan

12.2 yr

AnAge record

mtDNA size

17,203 bp

RefSeq NC_013992.1

GC content

41.04%

Whole genome

Non-coding

2,111 bp

D-loop 2,053 bp

Where Night snake sits among 2,335 species

Whole-genome GC content against maximum lifespan. Night snake has the 1,398th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome17,203 bp

GC skew (G − C) / (G + C): −0.365
AT skew (A − T) / (A + T): +0.142

Life history

Maximum lifespan: 12.2 years
Adult weight: 104 g

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03359)

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: 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 genome17,203 bp

Protein-coding11,261 bp

12S rRNA930 bp

16S rRNA1,484 bp

All tRNA1,429 bp

D-loop2,053 bp

Genes and regions

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

Base composition of Hypsiglena torquata genes

ND1NADH dehydrogenase subunit 1	964 bp	33.3%	24.9%	11.0%	30.8%	41.81%	−0.474	+0.144
ND2NADH dehydrogenase subunit 2	1,030 bp	37.1%	22.8%	8.9%	31.2%	40.10%	−0.554	+0.238
COX1Cytochrome c oxidase subunit I	1,602 bp	29.9%	28.2%	15.7%	26.2%	41.95%	−0.250	+0.030
COX2Cytochrome c oxidase subunit II	685 bp	32.8%	23.6%	15.6%	27.9%	43.50%	−0.282	+0.163
ATP8ATP synthase F0 subunit 8	165 bp	38.8%	31.5%	7.9%	21.8%	29.70%	−0.469	+0.103
ATP6ATP synthase F0 subunit 6	681 bp	34.5%	23.9%	10.4%	31.1%	41.56%	−0.498	+0.181
COX3Cytochrome c oxidase subunit III	784 bp	32.4%	25.8%	15.6%	26.3%	41.84%	−0.256	+0.114
ND3NADH dehydrogenase subunit 3	343 bp	34.1%	25.4%	10.5%	30.0%	40.53%	−0.482	+0.147
ND4LNADH dehydrogenase subunit 4L	291 bp	33.3%	29.6%	11.0%	26.1%	37.11%	−0.407	+0.060
ND4NADH dehydrogenase subunit 4	1,337 bp	33.8%	25.0%	10.0%	31.2%	41.21%	−0.514	+0.150
ND5NADH dehydrogenase subunit 5	1,773 bp	36.1%	24.2%	10.4%	29.3%	39.71%	−0.474	+0.197
ND6NADH dehydrogenase subunit 6	510 bp	48.0%	13.9%	5.7%	32.4%	38.04%	−0.701	+0.551
CYTBCytochrome b	1,113 bp	30.9%	26.5%	10.7%	31.9%	42.59%	−0.498	+0.077
12S rRNA12S ribosomal RNA	930 bp	36.1%	19.8%	18.1%	26.0%	44.09%	−0.180	+0.292
16S rRNA16S ribosomal RNA	1,484 bp	38.5%	21.3%	16.0%	24.1%	40.16%	−0.201	+0.288
D-loopControl region (D-loop)	2,053 bp	27.0%	32.9%	14.2%	26.0%	40.14%	−0.294	−0.098

Codon usage

Counts per codon, darker is more frequent

Gene

3,757 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.6%

UUU100

UUC109

Leu L15.3%

UUA90

UUG16

CUU74

CUC85

CUA271

CUG40

Ile I8.4%

AUU126

AUC191

Met M6.7%

AUA216

AUG34

Val V4.4%

GUU50

GUC28

GUA63

GUG26

Ser S7.2%

UCU37

UCC55

UCA122

UCG5

AGU14

AGC37

Pro P5.2%

CCU19

CCC44

CCA123

CCG10

Thr T11.3%

ACU60

ACC147

ACA208

ACG9

Ala A6.4%

GCU29

GCC106

GCA98

GCG6

Tyr Y3.0%

UAU44

UAC67

His H2.6%

CAU24

CAC75

Gln Q2.4%

CAA79

CAG13

Asn N4.1%

AAU44

AAC111

Lys K2.7%

AAA97

AAG6

Asp D1.6%

GAU20

GAC41

Glu E2.6%

GAA78

GAG19

Cys C0.7%

UGU7

UGC21

Trp W2.6%

UGA84

UGG14

Arg R1.7%

CGU9

CGC9

CGA41

CGG3

Gly G5.2%

GGU23

GGC59

GGA79

GGG35

Stop 0.2%

UAA5

UAG0

AGA1

AGG1

Genome map

39 annotated features in NC_013992.1

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-loop2

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (41.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 39 features as a table

Annotated features of Hypsiglena torquata (NC_013992.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	66	66 bp	+	–
12S rRNA	Ribosomal RNA	67	996	930 bp	+	44.1%
tRNA-Val	Transfer RNA	997	1,060	64 bp	+	–
16S rRNA	Ribosomal RNA	1,061	2,544	1,484 bp	+	40.2%
ND1	Protein-coding gene	2,545	3,508	964 bp	+	41.8%
tRNA-Ile	Transfer RNA	3,509	3,573	65 bp	+	–
D-loop	Control region	3,574	4,598	1,025 bp	–	40.1%
tRNA-Leu (UUR)	Transfer RNA	4,599	4,671	73 bp	+	–
tRNA-Gln	Transfer RNA	4,674	4,744	71 bp	−	–
tRNA-Met	Transfer RNA	4,746	4,808	63 bp	+	–
ND2	Protein-coding gene	4,809	5,838	1,030 bp	+	40.1%
tRNA-Trp	Transfer RNA	5,839	5,904	66 bp	+	–
tRNA-Ala	Transfer RNA	5,906	5,969	64 bp	−	–
tRNA-Asn	Transfer RNA	5,970	6,041	72 bp	−	–
tRNA-Cys	Transfer RNA	6,077	6,135	59 bp	−	–
tRNA-Tyr	Transfer RNA	6,136	6,199	64 bp	−	–
COX1	Protein-coding gene	6,201	7,802	1,602 bp	+	42.0%
tRNA-Ser (UCN)	Transfer RNA	7,793	7,860	68 bp	−	–
tRNA-Asp	Transfer RNA	7,861	7,924	64 bp	+	–
COX2	Protein-coding gene	7,925	8,609	685 bp	+	43.5%
tRNA-Lys	Transfer RNA	8,610	8,672	63 bp	+	–
ATP8	Protein-coding gene	8,674	8,838	165 bp	+	29.7%
ATP6	Protein-coding gene	8,829	9,509	681 bp	+	41.6%
COX3	Protein-coding gene	9,509	10,292	784 bp	+	41.8%
tRNA-Gly	Transfer RNA	10,293	10,355	63 bp	+	–
ND3	Protein-coding gene	10,356	10,698	343 bp	+	40.5%
tRNA-Arg	Transfer RNA	10,699	10,763	65 bp	+	–
ND4L	Protein-coding gene	10,764	11,054	291 bp	+	37.1%
ND4	Protein-coding gene	11,054	12,390	1,337 bp	+	41.2%
tRNA-His	Transfer RNA	12,391	12,455	65 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	12,459	12,512	54 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	12,513	12,583	71 bp	+	–
ND5	Protein-coding gene	12,585	14,357	1,773 bp	+	39.7%
ND6	Protein-coding gene	14,353	14,862	510 bp	−	38.0%
tRNA-Glu	Transfer RNA	14,872	14,933	62 bp	−	–
CYTB	Protein-coding gene	14,932	16,044	1,113 bp	+	42.6%
tRNA-Thr	Transfer RNA	16,049	16,114	66 bp	+	–
tRNA-Pro	Transfer RNA	16,115	16,175	61 bp	−	–
D-loop	Control region	16,176	17,203	1,028 bp	–	40.1%