Scomber colias
Atlantic chub mackerel
GC content
46.98%
Whole genome
Non-coding
931 bp
D-loop 866 bp
Where Atlantic chub mackerel sits among 2,335 species
Whole-genome GC content against maximum lifespan. Atlantic chub mackerel has the 1,856th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,570 bp
- GC skew (G − C) / (G + C)
- −0.274
- AT skew (A − T) / (A + T)
- +0.040
About this record
- Lifespan source
- FishBase v26.06
- Based on
- an observed animal, origin not stated
- Data quality
- acceptable
- Licence
- CC BY-NC 4.0
- Status
- New in build 2
- In the database since
- build 2 (2026-11-13)
The lifespan value is for non-commercial use only; the genome data is not restricted by it.
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,570 bp
Protein-coding11,416 bp
12S rRNA962 bp
16S rRNA1,715 bp
All tRNA1,555 bp
D-loop866 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.82% | −0.366 | −0.030 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 50.10% | −0.408 | +0.027 | |||||
| COX1Cytochrome c oxidase subunit I | 1,560 bp | 48.21% | −0.197 | −0.077 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 46.31% | −0.281 | +0.013 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 48.21% | −0.432 | +0.172 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 45.32% | −0.439 | −0.059 | |||||
| COX3Cytochrome c oxidase subunit III | 785 bp | 47.64% | −0.289 | +0.002 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 49.86% | −0.368 | −0.280 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 51.18% | −0.395 | −0.090 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 47.29% | −0.381 | 0.000 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 47.58% | −0.371 | −0.002 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 46.36% | −0.322 | +0.414 | |||||
| CYTBCytochrome b | 1,141 bp | 47.42% | −0.349 | −0.067 | |||||
| 12S rRNA12S ribosomal RNA | 962 bp | 47.71% | −0.111 | +0.177 | |||||
| 16S rRNA16S ribosomal RNA | 1,715 bp | 45.89% | −0.095 | +0.213 | |||||
| D-loopControl region (D-loop) | 866 bp | 37.64% | −0.196 | +0.067 |
Codon usage
Counts per codon, darker is more frequent3,810 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.1%
UUU75
UUC158
Leu L17.5%
UUA58
UUG13
CUU158
CUC171
CUA203
CUG63
Ile I6.7%
AUU145
AUC109
Met M4.0%
AUA74
AUG79
Val V6.1%
GUU70
GUC73
GUA67
GUG24
Ser S6.4%
UCU43
UCC76
UCA57
UCG9
AGU5
AGC52
Pro P5.9%
CCU57
CCC102
CCA57
CCG7
Thr T7.7%
ACU49
ACC117
ACA112
ACG15
Ala A9.3%
GCU61
GCC159
GCA119
GCG15
Tyr Y3.0%
UAU32
UAC81
His H2.8%
CAU26
CAC81
Gln Q2.3%
CAA72
CAG17
Asn N3.1%
AAU23
AAC96
Lys K1.9%
AAA64
AAG8
Asp D2.0%
GAU20
GAC57
Glu E2.8%
GAA76
GAG31
Cys C0.7%
UGU11
UGC17
Trp W3.2%
UGA107
UGG14
Arg R2.0%
CGU10
CGC14
CGA48
CGG6
Gly G6.3%
GGU36
GGC84
GGA80
GGG40
Stop 0.2%
UAA5
UAG1
AGA0
AGG1
Genome map
38 annotated features in NC_013724.1Hover, 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 (47.0%, 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 | 69 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 70 | 1,031 | 962 bp | + | 47.7% |
| tRNA-Val | Transfer RNA | 1,032 | 1,103 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,104 | 2,818 | 1,715 bp | + | 45.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,819 | 2,892 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,893 | 3,867 | 975 bp | + | 48.8% |
| tRNA-Ile | Transfer RNA | 3,872 | 3,942 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,942 | 4,012 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 4,012 | 4,081 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,082 | 5,127 | 1,046 bp | + | 50.1% |
| tRNA-Trp | Transfer RNA | 5,128 | 5,200 | 73 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,203 | 5,271 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,273 | 5,345 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,382 | 5,449 | 68 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,450 | 5,516 | 67 bp | − | – |
| COX1 | Protein-coding gene | 5,518 | 7,077 | 1,560 bp | + | 48.2% |
| tRNA-Ser (UCN) | Transfer RNA | 7,069 | 7,140 | 72 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,144 | 7,215 | 72 bp | + | – |
| COX2 | Protein-coding gene | 7,224 | 7,914 | 691 bp | + | 46.3% |
| tRNA-Lys | Transfer RNA | 7,915 | 7,988 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,990 | 8,157 | 168 bp | + | 48.2% |
| ATP6 | Protein-coding gene | 8,148 | 8,831 | 684 bp | + | 45.3% |
| COX3 | Protein-coding gene | 8,831 | 9,615 | 785 bp | + | 47.6% |
| tRNA-Gly | Transfer RNA | 9,616 | 9,687 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,688 | 10,036 | 349 bp | + | 49.9% |
| tRNA-Arg | Transfer RNA | 10,037 | 10,105 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,106 | 10,402 | 297 bp | + | 51.2% |
| ND4 | Protein-coding gene | 10,396 | 11,776 | 1,381 bp | + | 47.3% |
| tRNA-His | Transfer RNA | 11,777 | 11,847 | 71 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,848 | 11,915 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,920 | 11,992 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,994 | 13,832 | 1,839 bp | + | 47.6% |
| ND6 | Protein-coding gene | 13,829 | 14,350 | 522 bp | − | 46.4% |
| tRNA-Glu | Transfer RNA | 14,351 | 14,419 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,424 | 15,564 | 1,141 bp | + | 47.4% |
| tRNA-Thr | Transfer RNA | 15,565 | 15,636 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,636 | 15,704 | 69 bp | − | – |
| D-loop | Control region | 15,705 | 16,570 | 866 bp | – | 37.6% |