Micrurus fulvius

Eastern coral snake

Maximum lifespan

19 yr

AnAge record

mtDNA size

17,506 bp

RefSeq NC_013481.1

GC content

41.33%

Whole genome

Non-coding

2,460 bp

D-loop 2,350 bp

Where Eastern coral snake sits among 2,335 species

Whole-genome GC content against maximum lifespan. Eastern coral snake has the 984th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome17,506 bp

GC skew (G − C) / (G + C): −0.363
AT skew (A − T) / (A + T): +0.090

Life history

Maximum lifespan: 19 years
Adult weight: 682 g

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03444)

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 genome17,506 bp

Protein-coding11,247 bp

12S rRNA928 bp

16S rRNA1,467 bp

All tRNA1,423 bp

D-loop2,350 bp

Genes and regions

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

Base composition of Micrurus fulvius genes

ND1NADH dehydrogenase subunit 1	961 bp	30.7%	26.6%	11.2%	31.4%	42.66%	−0.473	+0.071
ND2NADH dehydrogenase subunit 2	1,030 bp	36.4%	23.2%	9.7%	30.7%	40.39%	−0.519	+0.222
COX1Cytochrome c oxidase subunit I	1,602 bp	27.0%	28.9%	16.4%	27.8%	44.13%	−0.259	−0.035
COX2Cytochrome c oxidase subunit II	693 bp	32.9%	23.2%	16.6%	27.3%	43.87%	−0.243	+0.172
ATP8ATP synthase F0 subunit 8	165 bp	39.4%	23.6%	9.1%	27.9%	36.97%	−0.508	+0.250
ATP6ATP synthase F0 subunit 6	679 bp	33.9%	27.2%	8.7%	29.9%	38.70%	−0.550	+0.108
COX3Cytochrome c oxidase subunit III	784 bp	28.3%	26.4%	16.3%	29.0%	45.28%	−0.279	+0.035
ND3NADH dehydrogenase subunit 3	343 bp	32.9%	28.3%	11.1%	27.7%	38.78%	−0.429	+0.076
ND4LNADH dehydrogenase subunit 4L	291 bp	32.0%	28.9%	11.0%	28.2%	39.18%	−0.439	+0.051
ND4NADH dehydrogenase subunit 4	1,337 bp	30.9%	27.4%	11.2%	30.5%	41.74%	−0.462	+0.060
ND5NADH dehydrogenase subunit 5	1,782 bp	34.0%	27.2%	10.4%	28.4%	38.83%	−0.462	+0.112
ND6NADH dehydrogenase subunit 6	492 bp	44.9%	16.1%	7.9%	31.1%	39.02%	−0.594	+0.473
CYTBCytochrome b	1,114 bp	29.2%	29.0%	10.8%	30.9%	41.73%	−0.483	+0.003
12S rRNA12S ribosomal RNA	928 bp	35.3%	21.1%	18.6%	24.9%	43.53%	−0.144	+0.252
16S rRNA16S ribosomal RNA	1,467 bp	36.1%	20.7%	17.0%	26.1%	43.11%	−0.212	+0.271
D-loopControl region (D-loop)	2,350 bp	27.5%	34.2%	11.8%	26.4%	38.25%	−0.383	−0.108

Codon usage

Counts per codon, darker is more frequent

Gene

3,751 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.3%

UUU104

UUC96

Leu L16.2%

UUA115

UUG24

CUU88

CUC100

CUA250

CUG30

Ile I8.2%

AUU139

AUC168

Met M6.3%

AUA198

AUG37

Val V4.6%

GUU40

GUC47

GUA60

GUG24

Ser S7.3%

UCU47

UCC74

UCA89

UCG12

AGU17

AGC34

Pro P5.4%

CCU31

CCC65

CCA97

CCG8

Thr T10.9%

ACU66

ACC168

ACA171

ACG4

Ala A6.6%

GCU50

GCC93

GCA94

GCG9

Tyr Y2.8%

UAU44

UAC62

His H2.6%

CAU29

CAC68

Gln Q2.4%

CAA84

CAG7

Asn N3.8%

AAU59

AAC84

Lys K3.0%

AAA94

AAG18

Asp D1.7%

GAU26

GAC39

Glu E2.5%

GAA72

GAG20

Cys C0.7%

UGU13

UGC15

Trp W2.6%

UGA76

UGG22

Arg R1.8%

CGU8

CGC19

CGA34

CGG7

Gly G5.2%

GGU40

GGC63

GGA64

GGG29

Stop 0.2%

UAA3

UAG0

AGA2

AGG1

Genome map

39 annotated features in NC_013481.1

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 (41.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 39 features as a table

Annotated features of Micrurus fulvius (NC_013481.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	61	61 bp	+	–
12S rRNA	Ribosomal RNA	62	989	928 bp	+	43.5%
tRNA-Val	Transfer RNA	990	1,055	66 bp	+	–
16S rRNA	Ribosomal RNA	1,056	2,522	1,467 bp	+	43.1%
ND1	Protein-coding gene	2,523	3,483	961 bp	+	42.7%
tRNA-Ile	Transfer RNA	3,483	3,550	68 bp	+	–
D-loop	Control region	3,551	4,705	1,155 bp	–	38.2%
tRNA-Leu (UUR)	Transfer RNA	4,706	4,778	73 bp	+	–
tRNA-Gln	Transfer RNA	4,779	4,849	71 bp	−	–
tRNA-Met	Transfer RNA	4,849	4,910	62 bp	+	–
ND2	Protein-coding gene	4,911	5,940	1,030 bp	+	40.4%
tRNA-Trp	Transfer RNA	5,941	6,005	65 bp	+	–
tRNA-Ala	Transfer RNA	6,007	6,072	66 bp	−	–
tRNA-Asn	Transfer RNA	6,073	6,145	73 bp	−	–
tRNA-Cys	Transfer RNA	6,184	6,243	60 bp	−	–
tRNA-Tyr	Transfer RNA	6,244	6,306	63 bp	−	–
COX1	Protein-coding gene	6,308	7,909	1,602 bp	+	44.1%
tRNA-Ser (UCN)	Transfer RNA	7,900	7,967	68 bp	−	–
tRNA-Asp	Transfer RNA	8,022	8,082	61 bp	+	–
COX2	Protein-coding gene	8,087	8,779	693 bp	+	43.9%
tRNA-Lys	Transfer RNA	8,772	8,835	64 bp	+	–
ATP8	Protein-coding gene	8,837	9,001	165 bp	+	37.0%
ATP6	Protein-coding gene	8,992	9,670	679 bp	+	38.7%
COX3	Protein-coding gene	9,671	10,454	784 bp	+	45.3%
tRNA-Gly	Transfer RNA	10,455	10,515	61 bp	+	–
ND3	Protein-coding gene	10,516	10,858	343 bp	+	38.8%
tRNA-Arg	Transfer RNA	10,859	10,924	66 bp	+	–
ND4L	Protein-coding gene	10,925	11,215	291 bp	+	39.2%
ND4	Protein-coding gene	11,215	12,551	1,337 bp	+	41.7%
tRNA-His	Transfer RNA	12,552	12,614	63 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	12,616	12,673	58 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	12,671	12,741	71 bp	+	–
ND5	Protein-coding gene	12,743	14,524	1,782 bp	+	38.8%
ND6	Protein-coding gene	14,510	15,001	492 bp	−	39.0%
tRNA-Glu	Transfer RNA	15,011	15,072	62 bp	−	–
CYTB	Protein-coding gene	15,073	16,186	1,114 bp	+	41.7%
tRNA-Thr	Transfer RNA	16,187	16,249	63 bp	+	–
tRNA-Pro	Transfer RNA	16,250	16,311	62 bp	+	–
D-loop	Control region	16,312	17,506	1,195 bp	–	38.2%