MitoAge

Nerodia sipedon

Northern water snake

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Maximum lifespan
9.6 yr
AnAge record
mtDNA size
17,706 bp
RefSeq NC_015793.1
GC content
41.84%
Whole genome
Non-coding
2,682 bp
D-loop 2,055 bp

Where Northern water snake sits among 2,335 species

Whole-genome GC content against maximum lifespan. Northern water snake has the 1,627th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Northern water snake
  • This species
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Plot other mtDNA features with this species highlighted

Base composition

Whole genome17,706 bp
GC skew (G − C) / (G + C)
−0.376
AT skew (A − T) / (A + T)
+0.156

Life history

Maximum lifespan
9.6 years
Adult weight
1.3 kg
Female sexual maturity
2 years
Male sexual maturity
2 years
Gestation or incubation
122 days

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03374)

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
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 genome17,706 bp
Protein-coding11,273 bp
12S rRNA937 bp
16S rRNA1,453 bp
All tRNA1,419 bp
D-loop2,055 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Composition
ND1NADH dehydrogenase subunit 1964 bp32.9%23.0%11.0%33.1%44.09%−0.501+0.176
ND2NADH dehydrogenase subunit 21,032 bp39.3%20.5%8.1%32.0%40.12%−0.594+0.314
COX1Cytochrome c oxidase subunit I1,611 bp29.2%26.8%16.4%27.6%44.01%−0.255+0.044
COX2Cytochrome c oxidase subunit II685 bp32.6%22.3%15.9%29.2%45.11%−0.295+0.186
ATP8ATP synthase F0 subunit 8165 bp39.4%23.0%9.7%27.9%37.58%−0.484+0.262
ATP6ATP synthase F0 subunit 6681 bp32.7%25.4%10.9%31.0%41.85%−0.481+0.126
COX3Cytochrome c oxidase subunit III784 bp31.3%23.6%16.2%29.0%45.15%−0.282+0.140
ND3NADH dehydrogenase subunit 3343 bp32.7%24.5%9.9%32.9%42.86%−0.537+0.143
ND4LNADH dehydrogenase subunit 4L291 bp34.0%26.1%13.1%26.8%39.86%−0.345+0.131
ND4NADH dehydrogenase subunit 41,337 bp34.3%23.5%9.9%32.3%42.26%−0.529+0.187
ND5NADH dehydrogenase subunit 51,770 bp36.3%22.7%10.2%30.8%41.02%−0.501+0.230
ND6NADH dehydrogenase subunit 6510 bp48.0%14.7%6.5%30.8%37.26%−0.653+0.531
CYTBCytochrome b1,117 bp31.8%27.1%11.1%30.0%41.09%−0.460+0.079
12S rRNA12S ribosomal RNA937 bp36.6%19.6%16.8%27.0%43.76%−0.234+0.302
16S rRNA16S ribosomal RNA1,453 bp38.3%21.1%15.7%24.8%40.54%−0.226+0.289
D-loopControl region (D-loop)2,055 bp26.3%32.1%13.9%27.7%41.61%−0.331−0.098

Codon usage

Counts per codon, darker is more frequent

3,761 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.3%
UUU86
UUC114
Leu L15.2%
UUA58
UUG20
CUU90
CUC93
CUA270
CUG42
Ile I8.4%
AUU113
AUC203
Met M6.3%
AUA189
AUG48
Val V4.3%
GUU37
GUC27
GUA73
GUG26
Ser S7.2%
UCU32
UCC67
UCA119
UCG8
AGU9
AGC37
Pro P5.2%
CCU15
CCC49
CCA127
CCG4
Thr T12.1%
ACU39
ACC169
ACA240
ACG6
Ala A6.2%
GCU26
GCC107
GCA96
GCG5
Tyr Y2.9%
UAU42
UAC68
His H2.6%
CAU15
CAC81
Gln Q2.4%
CAA81
CAG9
Asn N4.1%
AAU35
AAC119
Lys K2.8%
AAA99
AAG8
Asp D1.6%
GAU16
GAC46
Glu E2.7%
GAA80
GAG20
Cys C0.8%
UGU9
UGC22
Trp W2.6%
UGA82
UGG15
Arg R1.6%
CGU7
CGC10
CGA41
CGG4
Gly G5.3%
GGU25
GGC55
GGA90
GGG31
Stop 0.2%
UAA4
UAG1
AGA1
AGG1

Genome map

39 annotated features in NC_015793.1

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 (41.8%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 39 features as a table
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA26362 bp+–
12S rRNARibosomal RNA31967937 bp+43.8%
tRNA-ValTransfer RNA9981,06164 bp+–
16S rRNARibosomal RNA1,0712,5231,453 bp+40.5%
ND1Protein-coding gene2,5463,509964 bp+44.1%
tRNA-IleTransfer RNA3,5103,57364 bp+–
D-loopControl region3,5824,6351,054 bp–41.6%
tRNA-Leu (UUR)Transfer RNA5,1115,18373 bp+–
tRNA-GlnTransfer RNA5,1845,25370 bp−–
tRNA-MetTransfer RNA5,2535,31462 bp+–
ND2Protein-coding gene5,3126,3431,032 bp+40.1%
tRNA-TrpTransfer RNA6,3426,40665 bp−–
tRNA-AlaTransfer RNA6,4086,47265 bp−–
tRNA-AsnTransfer RNA6,4736,54573 bp−–
tRNA-CysTransfer RNA6,5826,64059 bp−–
tRNA-TyrTransfer RNA6,6416,70464 bp−–
COX1Protein-coding gene6,6978,3071,611 bp+44.0%
tRNA-Ser (UCN)Transfer RNA8,2988,36467 bp−–
tRNA-AspTransfer RNA8,3658,42965 bp+–
COX2Protein-coding gene8,4319,115685 bp+45.1%
tRNA-LysTransfer RNA9,1169,17863 bp+–
ATP8Protein-coding gene9,1809,344165 bp+37.6%
ATP6Protein-coding gene9,33510,015681 bp+41.9%
COX3Protein-coding gene10,01510,798784 bp+45.2%
tRNA-GlyTransfer RNA10,79910,85860 bp+–
ND3Protein-coding gene10,85911,201343 bp+42.9%
tRNA-ArgTransfer RNA11,20211,26564 bp+–
ND4LProtein-coding gene11,26611,556291 bp+39.9%
ND4Protein-coding gene11,55612,8921,337 bp+42.3%
tRNA-HisTransfer RNA12,89312,95765 bp+–
tRNA-Ser (AGY)Transfer RNA12,95413,01562 bp+–
tRNA-Leu (CUN)Transfer RNA13,01313,08371 bp+–
ND5Protein-coding gene13,10614,8751,770 bp+41.0%
ND6Protein-coding gene14,87115,380510 bp−37.3%
tRNA-GluTransfer RNA15,39015,45162 bp−–
CYTBProtein-coding gene15,45016,5661,117 bp+41.1%
tRNA-ThrTransfer RNA16,56716,63266 bp+–
tRNA-ProTransfer RNA16,63416,69461 bp−–
D-loopControl region16,69517,6951,001 bp–41.6%

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