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.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Sei whale
  • 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 RefSeq
Whole 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
Base composition of Balaenoptera borealis genes
Composition
ND1NADH dehydrogenase subunit 1957 bp32.5%26.3%11.2%30.0%41.17%−0.457+0.105
ND2NADH dehydrogenase subunit 21,044 bp36.1%25.0%7.9%31.0%38.89%−0.596+0.182
COX1Cytochrome c oxidase subunit I1,551 bp28.9%29.5%16.1%25.5%41.59%−0.225−0.011
COX2Cytochrome c oxidase subunit II684 bp35.2%24.9%12.7%27.2%39.91%−0.363+0.173
ATP8ATP synthase F0 subunit 8192 bp37.0%28.6%5.7%28.6%34.38%−0.667+0.127
ATP6ATP synthase F0 subunit 6681 bp31.1%30.5%10.1%28.2%38.33%−0.471+0.010
COX3Cytochrome c oxidase subunit III786 bp28.4%28.4%13.9%29.4%43.26%−0.3590.000
ND3NADH dehydrogenase subunit 3347 bp31.4%26.5%11.5%30.5%42.08%−0.452+0.085
ND4LNADH dehydrogenase subunit 4L297 bp27.3%30.3%13.5%29.0%42.42%−0.365−0.053
ND4NADH dehydrogenase subunit 41,378 bp31.7%26.7%10.1%31.5%41.58%−0.515+0.086
ND5NADH dehydrogenase subunit 51,821 bp31.2%27.6%10.5%30.6%41.19%−0.488+0.063
ND6NADH dehydrogenase subunit 6528 bp42.6%18.6%6.8%32.0%38.83%−0.649+0.393
CYTBCytochrome b1,140 bp30.1%25.6%13.2%31.1%44.30%−0.402+0.080
12S rRNA12S ribosomal RNA976 bp35.5%21.6%18.6%24.3%42.93%−0.131+0.242
16S rRNA16S ribosomal RNA1,579 bp36.9%24.8%17.3%21.0%38.32%−0.098+0.197
D-loopControl region (D-loop)934 bp30.2%31.6%15.0%23.2%38.22%−0.216−0.023

Codon usage

Counts per codon, darker is more frequent

3,801 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_006929.1

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-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
Annotated features of Balaenoptera borealis (NC_006929.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA17373 bp+–
12S rRNARibosomal RNA751,050976 bp+42.9%
tRNA-ValTransfer RNA1,0511,11767 bp+–
16S rRNARibosomal RNA1,1182,6961,579 bp+38.3%
tRNA-Leu (UUR)Transfer RNA2,6972,77175 bp+–
ND1Protein-coding gene2,7743,730957 bp+41.2%
tRNA-IleTransfer RNA3,7303,79970 bp+–
tRNA-GlnTransfer RNA3,7973,86973 bp−–
tRNA-MetTransfer RNA3,8713,93969 bp+–
ND2Protein-coding gene3,9404,9831,044 bp+38.9%
tRNA-TrpTransfer RNA4,9825,05069 bp+–
tRNA-AlaTransfer RNA5,0565,12469 bp−–
tRNA-AsnTransfer RNA5,1265,20075 bp−–
tRNA-CysTransfer RNA5,2335,30068 bp−–
tRNA-TyrTransfer RNA5,3015,36666 bp−–
COX1Protein-coding gene5,3686,9181,551 bp+41.6%
tRNA-Ser (UCN)Transfer RNA6,9146,98471 bp−–
tRNA-AspTransfer RNA6,9907,05768 bp+–
COX2Protein-coding gene7,0587,741684 bp+39.9%
tRNA-LysTransfer RNA7,7457,81268 bp+–
ATP8Protein-coding gene7,8148,005192 bp+34.4%
ATP6Protein-coding gene7,9758,655681 bp+38.3%
COX3Protein-coding gene8,6559,440786 bp+43.3%
tRNA-GlyTransfer RNA9,4409,50869 bp+–
ND3Protein-coding gene9,5099,855347 bp+42.1%
tRNA-ArgTransfer RNA9,8569,92469 bp+–
ND4LProtein-coding gene9,92510,221297 bp+42.4%
ND4Protein-coding gene10,21511,5921,378 bp+41.6%
tRNA-HisTransfer RNA11,59311,66169 bp+–
tRNA-Ser (AGY)Transfer RNA11,66211,72261 bp+–
tRNA-Leu (CUN)Transfer RNA11,72411,79370 bp+–
ND5Protein-coding gene11,79413,6141,821 bp+41.2%
ND6Protein-coding gene13,59814,125528 bp−38.8%
tRNA-GluTransfer RNA14,12614,19469 bp−–
CYTBProtein-coding gene14,19915,3381,140 bp+44.3%
tRNA-ThrTransfer RNA15,33915,41072 bp+–
tRNA-ProTransfer RNA15,41015,47667 bp−–
D-loopControl region15,47716,410934 bp–38.2%