Crotalus adamanteus

Eastern diamondback rattlesnake

Maximum lifespan

22.8 yr

AnAge record

mtDNA size

17,242 bp

RefSeq NC_041524.1

GC content

42.93%

Whole genome

Non-coding

2,350 bp

D-loop 2,070 bp

Where Eastern diamondback rattlesnake sits among 2,335 species

Whole-genome GC content against maximum lifespan. Eastern diamondback rattlesnake has the 752nd longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome17,242 bp

GC skew (G − C) / (G + C): −0.377
AT skew (A − T) / (A + T): +0.130

Life history

Maximum lifespan: 22.8 years
Adult weight: 5.7 kg

Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 03621)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, medium 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 genome17,242 bp

Protein-coding11,266 bp

12S rRNA784 bp

16S rRNA1,428 bp

All tRNA1,427 bp

D-loop2,070 bp

Genes and regions

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

Base composition of Crotalus adamanteus genes

ND1NADH dehydrogenase subunit 1	961 bp	31.1%	26.3%	12.4%	30.2%	42.56%	−0.418	+0.083
ND2NADH dehydrogenase subunit 2	1,030 bp	34.5%	21.6%	10.0%	34.0%	43.98%	−0.545	+0.231
COX1Cytochrome c oxidase subunit I	1,602 bp	27.7%	26.7%	16.5%	29.1%	45.57%	−0.277	+0.018
COX2Cytochrome c oxidase subunit II	685 bp	32.1%	21.6%	15.9%	30.4%	46.28%	−0.312	+0.196
ATP8ATP synthase F0 subunit 8	165 bp	40.0%	24.2%	7.9%	27.9%	35.76%	−0.559	+0.245
ATP6ATP synthase F0 subunit 6	681 bp	32.2%	25.1%	10.1%	32.6%	42.73%	−0.526	+0.123
COX3Cytochrome c oxidase subunit III	784 bp	30.4%	24.5%	15.4%	29.7%	45.15%	−0.316	+0.107
ND3NADH dehydrogenase subunit 3	334 bp	31.1%	24.9%	11.4%	32.6%	44.01%	−0.483	+0.112
ND4LNADH dehydrogenase subunit 4L	291 bp	31.6%	27.1%	11.3%	29.9%	41.24%	−0.450	+0.076
ND4NADH dehydrogenase subunit 4	1,338 bp	32.7%	23.9%	11.0%	32.4%	43.35%	−0.493	+0.156
ND5NADH dehydrogenase subunit 5	1,773 bp	35.8%	22.7%	10.0%	31.5%	41.51%	−0.519	+0.223
ND6NADH dehydrogenase subunit 6	522 bp	43.1%	12.8%	6.9%	37.2%	44.06%	−0.687	+0.541
CYTBCytochrome b	1,117 bp	28.7%	26.9%	11.9%	32.5%	44.41%	−0.464	+0.034
12S rRNA12S ribosomal RNA	784 bp	34.9%	19.0%	18.6%	27.4%	46.05%	−0.191	+0.296
16S rRNA16S ribosomal RNA	1,428 bp	37.7%	21.5%	16.2%	24.6%	40.83%	−0.208	+0.273
D-loopControl region (D-loop)	2,070 bp	25.6%	33.2%	14.2%	27.1%	41.21%	−0.313	−0.131

Codon usage

Counts per codon, darker is more frequent

Gene

3,759 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.4%

UUU78

UUC124

Leu L15.8%

UUA87

UUG25

CUU82

CUC90

CUA273

CUG37

Ile I8.5%

AUU130

AUC188

Met M6.4%

AUA198

AUG44

Val V4.4%

GUU33

GUC39

GUA64

GUG30

Ser S6.5%

UCU31

UCC86

UCA78

UCG11

AGU12

AGC26

Pro P5.6%

CCU26

CCC81

CCA90

CCG14

Thr T10.9%

ACU41

ACC183

ACA177

ACG10

Ala A6.9%

GCU17

GCC125

GCA105

GCG11

Tyr Y3.0%

UAU35

UAC78

His H2.6%

CAU19

CAC79

Gln Q2.6%

CAA78

CAG18

Asn N3.9%

AAU23

AAC123

Lys K2.7%

AAA90

AAG13

Asp D1.6%

GAU11

GAC48

Glu E2.6%

GAA76

GAG23

Cys C0.8%

UGU9

UGC20

Trp W2.6%

UGA79

UGG17

Arg R1.6%

CGU6

CGC6

CGA44

CGG5

Gly G5.5%

GGU21

GGC72

GGA73

GGG40

Stop 0.2%

UAA4

UAG0

AGA2

AGG1

Genome map

39 annotated features in NC_041524.1

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 (42.9%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 39 features as a table

Annotated features of Crotalus adamanteus (NC_041524.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	4	66	63 bp	+	–
12S rRNA	Ribosomal RNA	125	908	784 bp	+	46.1%
tRNA-Val	Transfer RNA	987	1,049	63 bp	+	–
16S rRNA	Ribosomal RNA	1,088	2,515	1,428 bp	+	40.8%
ND1	Protein-coding gene	2,537	3,497	961 bp	+	42.6%
tRNA-Ile	Transfer RNA	3,498	3,566	69 bp	+	–
tRNA-Pro	Transfer RNA	3,571	3,633	63 bp	+	–
D-loop	Control region	3,634	4,660	1,027 bp	–	41.2%
tRNA-Leu (UUR)	Transfer RNA	4,660	4,732	73 bp	+	–
tRNA-Gln	Transfer RNA	4,733	4,801	69 bp	−	–
tRNA-Met	Transfer RNA	4,802	4,864	63 bp	+	–
ND2	Protein-coding gene	4,865	5,894	1,030 bp	+	44.0%
tRNA-Trp	Transfer RNA	5,895	5,960	66 bp	+	–
tRNA-Ala	Transfer RNA	5,962	6,026	65 bp	−	–
tRNA-Asn	Transfer RNA	6,027	6,099	73 bp	−	–
tRNA-Cys	Transfer RNA	6,135	6,195	61 bp	−	–
tRNA-Tyr	Transfer RNA	6,196	6,256	61 bp	−	–
COX1	Protein-coding gene	6,258	7,859	1,602 bp	+	45.6%
tRNA-Ser (UCN)	Transfer RNA	7,850	7,918	69 bp	−	–
tRNA-Asp	Transfer RNA	7,919	7,981	63 bp	+	–
COX2	Protein-coding gene	7,983	8,667	685 bp	+	46.3%
tRNA-Lys	Transfer RNA	8,668	8,732	65 bp	+	–
ATP8	Protein-coding gene	8,733	8,897	165 bp	+	35.8%
ATP6	Protein-coding gene	8,888	9,568	681 bp	+	42.7%
COX3	Protein-coding gene	9,568	10,351	784 bp	+	45.2%
tRNA-Gly	Transfer RNA	10,352	10,412	61 bp	+	–
ND3	Protein-coding gene	10,422	10,755	334 bp	+	44.0%
tRNA-Arg	Transfer RNA	10,755	10,820	66 bp	+	–
ND4L	Protein-coding gene	10,820	11,110	291 bp	+	41.2%
ND4	Protein-coding gene	11,110	12,447	1,338 bp	+	43.4%
tRNA-His	Transfer RNA	12,448	12,508	61 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	12,509	12,564	56 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	12,565	12,636	72 bp	+	–
ND5	Protein-coding gene	12,638	14,422	1,785 bp	+	41.5%
ND6	Protein-coding gene	14,418	14,939	522 bp	−	44.1%
tRNA-Glu	Transfer RNA	14,940	15,002	63 bp	−	–
CYTB	Protein-coding gene	15,003	16,119	1,117 bp	+	44.4%
tRNA-Thr	Transfer RNA	16,119	16,180	62 bp	+	–
D-loop	Control region	16,198	17,240	1,043 bp	–	41.2%