Echis carinatus

Saw-scaled viper

Maximum lifespan

23.8 yr

AnAge record

mtDNA size

16,365 bp

RefSeq NC_060591.1

GC content

40.64%

Whole genome

Non-coding

1,282 bp

D-loop 1,194 bp

Where Saw-scaled viper sits among 2,335 species

Whole-genome GC content against maximum lifespan. Saw-scaled viper has the 707th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,365 bp

GC skew (G − C) / (G + C): −0.378
AT skew (A − T) / (A + T): +0.087

Life history

Maximum lifespan: 23.8 years
Adult weight: 142 g

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 03641)

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 genome16,365 bp

Protein-coding11,284 bp

12S rRNA922 bp

16S rRNA1,479 bp

All tRNA1,409 bp

D-loop1,194 bp

Genes and regions

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

Base composition of Echis carinatus genes

ND1NADH dehydrogenase subunit 1	961 bp	30.7%	27.9%	10.9%	30.5%	41.42%	−0.472	+0.048
ND2NADH dehydrogenase subunit 2	1,030 bp	34.5%	26.0%	8.3%	31.2%	39.52%	−0.577	+0.140
COX1Cytochrome c oxidase subunit I	1,602 bp	27.5%	28.7%	15.9%	27.9%	43.82%	−0.274	−0.022
COX2Cytochrome c oxidase subunit II	685 bp	32.3%	25.1%	15.3%	27.3%	42.63%	−0.281	+0.125
ATP8ATP synthase F0 subunit 8	165 bp	35.2%	27.9%	4.8%	32.1%	36.97%	−0.738	+0.115
ATP6ATP synthase F0 subunit 6	681 bp	30.1%	29.4%	10.6%	30.0%	40.53%	−0.478	+0.012
COX3Cytochrome c oxidase subunit III	784 bp	29.2%	27.6%	14.9%	28.3%	43.24%	−0.310	+0.029
ND3NADH dehydrogenase subunit 3	343 bp	29.7%	28.9%	12.0%	29.4%	41.40%	−0.423	+0.015
ND4LNADH dehydrogenase subunit 4L	291 bp	32.3%	27.8%	11.3%	28.5%	39.86%	−0.431	+0.074
ND4NADH dehydrogenase subunit 4	1,338 bp	31.4%	29.0%	10.5%	29.1%	39.61%	−0.468	+0.040
ND5NADH dehydrogenase subunit 5	1,788 bp	33.2%	28.0%	10.2%	28.6%	38.81%	−0.473	+0.086
ND6NADH dehydrogenase subunit 6	519 bp	44.3%	18.1%	6.6%	31.0%	37.57%	−0.651	+0.420
CYTBCytochrome b	1,114 bp	30.3%	27.4%	10.8%	31.5%	42.28%	−0.490	+0.051
12S rRNA12S ribosomal RNA	922 bp	37.1%	22.6%	17.2%	23.1%	40.35%	−0.145	+0.244
16S rRNA16S ribosomal RNA	1,479 bp	36.8%	23.1%	16.1%	24.0%	40.10%	−0.197	+0.230
D-loopControl region (D-loop)	1,194 bp	28.4%	33.2%	10.6%	27.9%	38.44%	−0.451	−0.078

Codon usage

Counts per codon, darker is more frequent

Gene

3,765 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.7%

UUU91

UUC125

Leu L15.9%

UUA109

UUG19

CUU115

CUC113

CUA214

CUG29

Ile I8.7%

AUU139

AUC188

Met M6.5%

AUA195

AUG48

Val V4.5%

GUU44

GUC27

GUA79

GUG19

Ser S7.9%

UCU54

UCC75

UCA110

UCG8

AGU14

AGC36

Pro P5.4%

CCU36

CCC57

CCA98

CCG12

Thr T10.3%

ACU84

ACC154

ACA146

ACG4

Ala A5.9%

GCU48

GCC76

GCA93

GCG7

Tyr Y3.0%

UAU45

UAC69

His H2.7%

CAU31

CAC70

Gln Q2.5%

CAA86

CAG8

Asn N3.8%

AAU48

AAC94

Lys K2.7%

AAA93

AAG10

Asp D1.5%

GAU18

GAC38

Glu E2.6%

GAA79

GAG18

Cys C0.8%

UGU18

UGC11

Trp W2.6%

UGA82

UGG15

Arg R1.5%

CGU9

CGC13

CGA32

CGG4

Gly G5.3%

GGU44

GGC61

GGA57

GGG39

Stop 0.2%

UAA4

UAG0

AGA1

AGG2

Genome map

39 annotated features in NC_060591.1

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 (40.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 39 features as a table

Annotated features of Echis carinatus (NC_060591.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	44	106	63 bp	+	–
12S rRNA	Ribosomal RNA	107	1,028	922 bp	+	40.4%
tRNA-Val	Transfer RNA	1,029	1,091	63 bp	+	–
16S rRNA	Ribosomal RNA	1,092	2,570	1,479 bp	+	40.1%
ND1	Protein-coding gene	2,571	3,531	961 bp	+	41.4%
tRNA-Ile	Transfer RNA	3,532	3,599	68 bp	+	–
tRNA-Pro	Transfer RNA	3,599	3,661	63 bp	−	–
D-loop	Control region	3,663	4,767	1,105 bp	–	38.4%
tRNA-Leu (UUR)	Transfer RNA	4,774	4,846	73 bp	+	–
tRNA-Gln	Transfer RNA	4,847	4,916	70 bp	−	–
tRNA-Met	Transfer RNA	4,917	4,979	63 bp	+	–
ND2	Protein-coding gene	4,980	6,009	1,030 bp	+	39.5%
tRNA-Trp	Transfer RNA	6,010	6,073	64 bp	+	–
tRNA-Ala	Transfer RNA	6,074	6,139	66 bp	−	–
tRNA-Asn	Transfer RNA	6,140	6,211	72 bp	−	–
tRNA-Cys	Transfer RNA	6,248	6,300	53 bp	−	–
tRNA-Tyr	Transfer RNA	6,301	6,363	63 bp	−	–
COX1	Protein-coding gene	6,365	7,966	1,602 bp	+	43.8%
tRNA-Ser (UCN)	Transfer RNA	7,957	8,023	67 bp	−	–
tRNA-Asp	Transfer RNA	8,024	8,087	64 bp	+	–
COX2	Protein-coding gene	8,088	8,772	685 bp	+	42.6%
tRNA-Lys	Transfer RNA	8,773	8,833	61 bp	+	–
ATP8	Protein-coding gene	8,834	8,998	165 bp	+	37.0%
ATP6	Protein-coding gene	8,989	9,669	681 bp	+	40.5%
COX3	Protein-coding gene	9,669	10,452	784 bp	+	43.2%
tRNA-Gly	Transfer RNA	10,453	10,511	59 bp	+	–
ND3	Protein-coding gene	10,512	10,854	343 bp	+	41.4%
tRNA-Arg	Transfer RNA	10,855	10,917	63 bp	+	–
ND4L	Protein-coding gene	10,918	11,208	291 bp	+	39.9%
ND4	Protein-coding gene	11,208	12,545	1,338 bp	+	39.6%
tRNA-His	Transfer RNA	12,545	12,605	61 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	12,606	12,661	56 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	12,662	12,732	71 bp	+	–
ND5	Protein-coding gene	12,734	14,521	1,788 bp	+	38.8%
ND6	Protein-coding gene	14,517	15,035	519 bp	−	37.6%
tRNA-Glu	Transfer RNA	15,036	15,097	62 bp	−	–
CYTB	Protein-coding gene	15,098	16,211	1,114 bp	+	42.3%
tRNA-Thr	Transfer RNA	16,212	16,276	65 bp	+	–
D-loop	Control region	16,277	16,365	89 bp	–	38.4%