Vipera berus
Northern palaearctic viper
GC content
40.65%
Whole genome
Non-coding
1,308 bp
Including the D-loop
Where Northern palaearctic viper sits among 2,335 species
Whole-genome GC content against maximum lifespan. Northern palaearctic viper has the 990th longest lifespan of them.
- This species
- Other reptiles
- Other classes
Base composition
Whole genome16,370 bp
- GC skew (G − C) / (G + C)
- −0.379
- AT skew (A − T) / (A + T)
- +0.087
Life history
- Maximum lifespan
- 19 years
- Adult weight
- 279 g
- Gestation or incubation
- 2 years
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 03661)
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 RefSeqWhole genome16,370 bp
Protein-coding11,275 bp
12S rRNA911 bp
16S rRNA1,479 bp
All tRNA1,407 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 961 bp | 41.31% | −0.476 | +0.050 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,021 bp | 39.47% | −0.578 | +0.142 | |||||
| COX1Cytochrome c oxidase subunit I | 1,602 bp | 43.88% | −0.272 | −0.023 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 42.63% | −0.281 | +0.125 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 36.97% | −0.738 | +0.115 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 40.53% | −0.478 | +0.012 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 43.24% | −0.310 | +0.029 | |||||
| ND3NADH dehydrogenase subunit 3 | 343 bp | 41.40% | −0.423 | +0.015 | |||||
| ND4LNADH dehydrogenase subunit 4L | 291 bp | 39.86% | −0.431 | +0.074 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,338 bp | 39.61% | −0.468 | +0.040 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,788 bp | 38.81% | −0.473 | +0.086 | |||||
| ND6NADH dehydrogenase subunit 6 | 519 bp | 37.57% | −0.651 | +0.420 | |||||
| CYTBCytochrome b | 1,114 bp | 42.28% | −0.490 | +0.051 | |||||
| 12S rRNA12S ribosomal RNA | 911 bp | 40.40% | −0.141 | +0.238 | |||||
| 16S rRNA16S ribosomal RNA | 1,479 bp | 40.10% | −0.197 | +0.230 |
Codon usage
Counts per codon, darker is more frequent3,762 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%
AUU138
AUC188
Met M6.4%
AUA197
AUG45
Val V4.5%
GUU44
GUC27
GUA79
GUG20
Ser S7.9%
UCU54
UCC75
UCA110
UCG8
AGU14
AGC36
Pro P5.4%
CCU36
CCC56
CCA98
CCG12
Thr T10.3%
ACU84
ACC154
ACA146
ACG4
Ala A6.0%
GCU48
GCC76
GCA93
GCG7
Tyr Y3.0%
UAU45
UAC69
His H2.7%
CAU31
CAC70
Gln Q2.5%
CAA86
CAG8
Asn N3.7%
AAU47
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
37 annotated features in NC_036956.1Hover, 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
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (40.7%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 64 | 126 | 63 bp | + | – |
| 12S rRNA | Ribosomal RNA | 127 | 1,037 | 911 bp | + | 40.4% |
| tRNA-Val | Transfer RNA | 1,038 | 1,100 | 63 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,101 | 2,579 | 1,479 bp | + | 40.1% |
| ND1 | Protein-coding gene | 2,580 | 3,540 | 961 bp | + | 41.3% |
| tRNA-Ile | Transfer RNA | 3,541 | 3,608 | 68 bp | + | – |
| tRNA-Pro | Transfer RNA | 3,607 | 3,671 | 65 bp | − | – |
| tRNA-Leu (UUR) | Transfer RNA | 4,783 | 4,855 | 73 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,856 | 4,925 | 70 bp | − | – |
| tRNA-Met | Transfer RNA | 4,926 | 4,988 | 63 bp | + | – |
| ND2 | Protein-coding gene | 4,998 | 6,018 | 1,021 bp | + | 39.5% |
| tRNA-Trp | Transfer RNA | 6,019 | 6,082 | 64 bp | + | – |
| tRNA-Ala | Transfer RNA | 6,083 | 6,148 | 66 bp | − | – |
| tRNA-Asn | Transfer RNA | 6,149 | 6,220 | 72 bp | − | – |
| tRNA-Cys | Transfer RNA | 6,255 | 6,307 | 53 bp | − | – |
| tRNA-Tyr | Transfer RNA | 6,308 | 6,368 | 61 bp | − | – |
| COX1 | Protein-coding gene | 6,370 | 7,971 | 1,602 bp | + | 43.9% |
| tRNA-Ser (UCN) | Transfer RNA | 7,962 | 8,028 | 67 bp | − | – |
| tRNA-Asp | Transfer RNA | 8,029 | 8,092 | 64 bp | + | – |
| COX2 | Protein-coding gene | 8,093 | 8,777 | 685 bp | + | 42.6% |
| tRNA-Lys | Transfer RNA | 8,778 | 8,838 | 61 bp | + | – |
| ATP8 | Protein-coding gene | 8,839 | 9,003 | 165 bp | + | 37.0% |
| ATP6 | Protein-coding gene | 8,994 | 9,674 | 681 bp | + | 40.5% |
| COX3 | Protein-coding gene | 9,674 | 10,457 | 784 bp | + | 43.2% |
| tRNA-Gly | Transfer RNA | 10,458 | 10,516 | 59 bp | + | – |
| ND3 | Protein-coding gene | 10,517 | 10,859 | 343 bp | + | 41.4% |
| tRNA-Arg | Transfer RNA | 10,860 | 10,922 | 63 bp | + | – |
| ND4L | Protein-coding gene | 10,923 | 11,213 | 291 bp | + | 39.9% |
| ND4 | Protein-coding gene | 11,213 | 12,550 | 1,338 bp | + | 39.6% |
| tRNA-His | Transfer RNA | 12,551 | 12,610 | 60 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,611 | 12,666 | 56 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,667 | 12,737 | 71 bp | + | – |
| ND5 | Protein-coding gene | 12,739 | 14,526 | 1,788 bp | + | 38.8% |
| ND6 | Protein-coding gene | 14,522 | 15,040 | 519 bp | − | 37.6% |
| tRNA-Glu | Transfer RNA | 15,041 | 15,102 | 62 bp | − | – |
| CYTB | Protein-coding gene | 15,103 | 16,216 | 1,114 bp | + | 42.3% |
| tRNA-Thr | Transfer RNA | 16,217 | 16,281 | 65 bp | + | – |