Sorex araneus
Eurasian shrew
GC content
38.28%
Whole genome
Non-coding
1,431 bp
D-loop 1,227 bp
Where Eurasian shrew sits among 2,335 species
Whole-genome GC content against maximum lifespan. Eurasian shrew has the 2,170th longest lifespan of them.
- This species
- Other mammals
- Other classes
Base composition
Whole genome16,887 bp
- GC skew (G − C) / (G + C)
- −0.307
- AT skew (A − T) / (A + T)
- +0.065
Life history
- Maximum lifespan
- 3.2 years
- Adult weight
- 9 g
- Birth weight
- 440 mg
- Basal metabolic rate
- 0.348 W
- Body temperature
- 35 °C
- Female sexual maturity
- 198 days
- Male sexual maturity
- 335 days
- Gestation or incubation
- 21 days
- Litter or clutch size
- 6
- Litters per year
- 1.9
Lifespan from AnAge · AnAge record · other traits from AnAge build 15 (HAGRID 03222)
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 RefSeqWhole genome16,887 bp
Protein-coding11,348 bp
12S rRNA965 bp
16S rRNA1,563 bp
All tRNA1,581 bp
D-loop1,227 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 956 bp | 40.27% | −0.429 | +0.044 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,042 bp | 35.22% | −0.510 | +0.126 | |||||
| COX1Cytochrome c oxidase subunit I | 1,545 bp | 40.39% | −0.163 | −0.077 | |||||
| COX2Cytochrome c oxidase subunit II | 684 bp | 39.04% | −0.326 | +0.098 | |||||
| ATP8ATP synthase F0 subunit 8 | 204 bp | 33.82% | −0.478 | +0.141 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 37.15% | −0.383 | 0.000 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 40.94% | −0.265 | −0.032 | |||||
| ND3NADH dehydrogenase subunit 3 | 347 bp | 40.92% | −0.394 | +0.083 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 36.70% | −0.229 | −0.021 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 37.01% | −0.408 | +0.018 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,821 bp | 39.26% | −0.460 | +0.056 | |||||
| ND6NADH dehydrogenase subunit 6 | 537 bp | 37.06% | −0.558 | +0.314 | |||||
| CYTBCytochrome b | 1,140 bp | 41.67% | −0.368 | +0.005 | |||||
| 12S rRNA12S ribosomal RNA | 965 bp | 40.31% | −0.085 | +0.201 | |||||
| 16S rRNA16S ribosomal RNA | 1,563 bp | 37.04% | −0.105 | +0.179 | |||||
| D-loopControl region (D-loop) | 1,227 bp | 36.76% | −0.313 | +0.034 |
Codon usage
Counts per codon, darker is more frequent3,803 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.2%
UUU99
UUC136
Leu L15.8%
UUA132
UUG13
CUU97
CUC78
CUA256
CUG24
Ile I9.2%
AUU185
AUC164
Met M5.8%
AUA178
AUG42
Val V5.3%
GUU52
GUC48
GUA85
GUG15
Ser S7.6%
UCU58
UCC65
UCA101
UCG13
AGU19
AGC32
Pro P4.9%
CCU45
CCC49
CCA87
CCG6
Thr T8.1%
ACU60
ACC84
ACA152
ACG11
Ala A6.4%
GCU64
GCC70
GCA104
GCG7
Tyr Y3.8%
UAU75
UAC71
His H2.4%
CAU33
CAC58
Gln Q2.4%
CAA84
CAG6
Asn N4.3%
AAU69
AAC96
Lys K2.5%
AAA90
AAG6
Asp D1.8%
GAU31
GAC38
Glu E2.6%
GAA80
GAG18
Cys C0.7%
UGU12
UGC13
Trp W2.7%
UGA92
UGG11
Arg R1.7%
CGU6
CGC10
CGA45
CGG3
Gly G5.7%
GGU42
GGC62
GGA81
GGG32
Stop 0.2%
UAA6
UAG1
AGA0
AGG1
Genome map
39 annotated features in NC_027963.1Hover, 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
- tRNA23
- D-loop1
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (38.3%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 39 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 73 | 1,037 | 965 bp | + | 40.3% |
| tRNA-Val | Transfer RNA | 1,041 | 1,107 | 67 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,108 | 2,670 | 1,563 bp | + | 37.0% |
| tRNA-Leu (UUR) | Transfer RNA | 2,675 | 2,749 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,752 | 3,707 | 956 bp | + | 40.3% |
| tRNA-Ile | Transfer RNA | 3,708 | 3,776 | 69 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,774 | 3,846 | 73 bp | − | – |
| tRNA-Met | Transfer RNA | 3,847 | 3,915 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,916 | 4,957 | 1,042 bp | + | 35.2% |
| tRNA-Trp | Transfer RNA | 4,958 | 5,025 | 68 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,032 | 5,100 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,104 | 5,176 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,214 | 5,280 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,282 | 5,348 | 67 bp | − | – |
| COX1 | Protein-coding gene | 5,350 | 6,894 | 1,545 bp | + | 40.4% |
| tRNA-Ser (UCN) | Transfer RNA | 6,896 | 6,964 | 69 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,971 | 7,038 | 68 bp | + | – |
| COX2 | Protein-coding gene | 7,039 | 7,722 | 684 bp | + | 39.0% |
| tRNA-Lys | Transfer RNA | 7,726 | 7,794 | 69 bp | + | – |
| ATP8 | Protein-coding gene | 7,796 | 7,999 | 204 bp | + | 33.8% |
| ATP6 | Protein-coding gene | 7,957 | 8,637 | 681 bp | + | 37.2% |
| COX3 | Protein-coding gene | 8,637 | 9,420 | 784 bp | + | 40.9% |
| tRNA-Trp | Transfer RNA | 9,421 | 9,490 | 70 bp | + | – |
| tRNA-Gly | Transfer RNA | 9,614 | 9,683 | 70 bp | + | – |
| ND3 | Protein-coding gene | 9,684 | 10,030 | 347 bp | + | 40.9% |
| tRNA-Arg | Transfer RNA | 10,031 | 10,099 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,100 | 10,396 | 297 bp | + | 36.7% |
| ND4 | Protein-coding gene | 10,390 | 11,767 | 1,378 bp | + | 37.0% |
| tRNA-His | Transfer RNA | 11,768 | 11,836 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,837 | 11,895 | 59 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,897 | 11,966 | 70 bp | + | – |
| ND5 | Protein-coding gene | 11,967 | 13,787 | 1,821 bp | + | 39.3% |
| ND6 | Protein-coding gene | 13,771 | 14,307 | 537 bp | − | 37.1% |
| tRNA-Glu | Transfer RNA | 14,308 | 14,376 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,382 | 15,521 | 1,140 bp | + | 41.7% |
| tRNA-Thr | Transfer RNA | 15,521 | 15,588 | 68 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,589 | 15,655 | 67 bp | − | – |
| D-loop | Control region | 15,661 | 16,887 | 1,227 bp | – | 36.8% |