Balaenoptera borealis
Sei whale
GC content
40.42%
Whole genome
Non-coding
991 bp
D-loop 934 bp
Where Sei whale sits among 2,335 species
Whole-genome GC content against maximum lifespan. Sei whale has the 59th longest lifespan of them.
- This species
- Other mammals
- Other classes
Base composition
Whole genome16,410 bp
- GC skew (G − C) / (G + C)
- −0.355
- AT skew (A − T) / (A + T)
- +0.103
Life history
- Maximum lifespan
- 74 years
- Adult weight
- 20 t
- Birth weight
- 680 kg
- Female sexual maturity
- 10 years
- Male sexual maturity
- 10 years
- Gestation or incubation
- 345 days
- Litter or clutch size
- 1
- Litters per year
- 0.5
Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02279)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, medium sample
- Licence
- Free to use, subject to the Human Ageing Genomic Resources conditions of use
- Status
- Unchanged since build 1
- In the database since
- build 1 (2015-07-01)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,410 bp
Protein-coding11,350 bp
12S rRNA976 bp
16S rRNA1,579 bp
All tRNA1,523 bp
D-loop934 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 957 bp | 41.17% | −0.457 | +0.105 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,044 bp | 38.89% | −0.596 | +0.182 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 41.59% | −0.225 | −0.011 | |||||
| COX2Cytochrome c oxidase subunit II | 684 bp | 39.91% | −0.363 | +0.173 | |||||
| ATP8ATP synthase F0 subunit 8 | 192 bp | 34.38% | −0.667 | +0.127 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 38.33% | −0.471 | +0.010 | |||||
| COX3Cytochrome c oxidase subunit III | 786 bp | 43.26% | −0.359 | 0.000 | |||||
| ND3NADH dehydrogenase subunit 3 | 347 bp | 42.08% | −0.452 | +0.085 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 42.42% | −0.365 | −0.053 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 41.58% | −0.515 | +0.086 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,821 bp | 41.19% | −0.488 | +0.063 | |||||
| ND6NADH dehydrogenase subunit 6 | 528 bp | 38.83% | −0.649 | +0.393 | |||||
| CYTBCytochrome b | 1,140 bp | 44.30% | −0.402 | +0.080 | |||||
| 12S rRNA12S ribosomal RNA | 976 bp | 42.93% | −0.131 | +0.242 | |||||
| 16S rRNA16S ribosomal RNA | 1,579 bp | 38.32% | −0.098 | +0.197 | |||||
| D-loopControl region (D-loop) | 934 bp | 38.22% | −0.216 | −0.023 |
Codon usage
Counts per codon, darker is more frequent3,801 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.3%
UUU94
UUC146
Leu L16.5%
UUA111
UUG12
CUU71
CUC119
CUA299
CUG17
Ile I8.2%
AUU154
AUC159
Met M5.9%
AUA193
AUG32
Val V4.8%
GUU35
GUC47
GUA80
GUG19
Ser S7.0%
UCU34
UCC79
UCA90
UCG3
AGU24
AGC35
Pro P5.4%
CCU47
CCC80
CCA77
CCG2
Thr T8.7%
ACU49
ACC108
ACA163
ACG12
Ala A6.9%
GCU46
GCC112
GCA103
GCG2
Tyr Y3.4%
UAU57
UAC71
His H2.6%
CAU29
CAC68
Gln Q2.4%
CAA91
CAG2
Asn N4.1%
AAU54
AAC100
Lys K2.5%
AAA85
AAG11
Asp D1.8%
GAU22
GAC46
Glu E2.5%
GAA81
GAG13
Cys C0.6%
UGU8
UGC15
Trp W2.8%
UGA98
UGG7
Arg R1.7%
CGU7
CGC15
CGA41
CGG2
Gly G5.6%
GGU41
GGC70
GGA78
GGG24
Stop 0.3%
UAA7
UAG2
AGA2
AGG0
Genome map
38 annotated features in NC_006929.1Hover, 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
- D-loop1
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (40.4%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 38 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 73 | 73 bp | + | – |
| 12S rRNA | Ribosomal RNA | 75 | 1,050 | 976 bp | + | 42.9% |
| tRNA-Val | Transfer RNA | 1,051 | 1,117 | 67 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,118 | 2,696 | 1,579 bp | + | 38.3% |
| tRNA-Leu (UUR) | Transfer RNA | 2,697 | 2,771 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,774 | 3,730 | 957 bp | + | 41.2% |
| tRNA-Ile | Transfer RNA | 3,730 | 3,799 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,797 | 3,869 | 73 bp | − | – |
| tRNA-Met | Transfer RNA | 3,871 | 3,939 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,940 | 4,983 | 1,044 bp | + | 38.9% |
| tRNA-Trp | Transfer RNA | 4,982 | 5,050 | 69 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,056 | 5,124 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,126 | 5,200 | 75 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,233 | 5,300 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,301 | 5,366 | 66 bp | − | – |
| COX1 | Protein-coding gene | 5,368 | 6,918 | 1,551 bp | + | 41.6% |
| tRNA-Ser (UCN) | Transfer RNA | 6,914 | 6,984 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,990 | 7,057 | 68 bp | + | – |
| COX2 | Protein-coding gene | 7,058 | 7,741 | 684 bp | + | 39.9% |
| tRNA-Lys | Transfer RNA | 7,745 | 7,812 | 68 bp | + | – |
| ATP8 | Protein-coding gene | 7,814 | 8,005 | 192 bp | + | 34.4% |
| ATP6 | Protein-coding gene | 7,975 | 8,655 | 681 bp | + | 38.3% |
| COX3 | Protein-coding gene | 8,655 | 9,440 | 786 bp | + | 43.3% |
| tRNA-Gly | Transfer RNA | 9,440 | 9,508 | 69 bp | + | – |
| ND3 | Protein-coding gene | 9,509 | 9,855 | 347 bp | + | 42.1% |
| tRNA-Arg | Transfer RNA | 9,856 | 9,924 | 69 bp | + | – |
| ND4L | Protein-coding gene | 9,925 | 10,221 | 297 bp | + | 42.4% |
| ND4 | Protein-coding gene | 10,215 | 11,592 | 1,378 bp | + | 41.6% |
| tRNA-His | Transfer RNA | 11,593 | 11,661 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,662 | 11,722 | 61 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,724 | 11,793 | 70 bp | + | – |
| ND5 | Protein-coding gene | 11,794 | 13,614 | 1,821 bp | + | 41.2% |
| ND6 | Protein-coding gene | 13,598 | 14,125 | 528 bp | − | 38.8% |
| tRNA-Glu | Transfer RNA | 14,126 | 14,194 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,199 | 15,338 | 1,140 bp | + | 44.3% |
| tRNA-Thr | Transfer RNA | 15,339 | 15,410 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,410 | 15,476 | 67 bp | − | – |
| D-loop | Control region | 15,477 | 16,410 | 934 bp | – | 38.2% |