Magallana gigas
Pacific oyster
GC content
36.65%
Whole genome
Non-coding
2,133 bp
Including the D-loop
Where Pacific oyster sits among 2,335 species
Whole-genome GC content against maximum lifespan. Pacific oyster has the 1,823rd longest lifespan of them.
- This species
- All other species
Base composition
Whole genome18,224 bp
- GC skew (G − C) / (G + C)
- +0.200
- AT skew (A − T) / (A + T)
- −0.127
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- 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 genome18,224 bp
Protein-coding10,978 bp
12S rRNA1,037 bp
16S rRNA602 bp
All tRNA1,560 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 936 bp | 36.22% | +0.227 | −0.229 | |||||
| ND2NADH dehydrogenase subunit 2 | 999 bp | 35.04% | +0.246 | −0.245 | |||||
| COX1Cytochrome c oxidase subunit I | 1,518 bp | 38.01% | +0.106 | −0.252 | |||||
| COX2Cytochrome c oxidase subunit II | 702 bp | 38.18% | +0.276 | −0.212 | |||||
| ATP6ATP synthase F0 subunit 6 | 693 bp | 35.79% | +0.185 | −0.133 | |||||
| COX3Cytochrome c oxidase subunit III | 876 bp | 35.73% | +0.208 | −0.229 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 37.32% | +0.206 | −0.245 | |||||
| ND4LNADH dehydrogenase subunit 4L | 283 bp | 37.81% | +0.271 | −0.261 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,353 bp | 36.14% | +0.231 | −0.206 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,671 bp | 38.96% | +0.146 | −0.210 | |||||
| ND6NADH dehydrogenase subunit 6 | 477 bp | 35.85% | +0.123 | −0.255 | |||||
| CYTBCytochrome b | 1,119 bp | 38.34% | +0.161 | −0.168 | |||||
| 12S rRNA12S ribosomal RNA | 1,037 bp | 40.12% | +0.207 | +0.079 | |||||
| 16S rRNA16S ribosomal RNA | 602 bp | 30.57% | +0.283 | +0.005 |
Codon usage
Counts per codon, darker is more frequent3,659 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.5%
UUU270
UUC42
Leu L12.4%
UUA153
UUG83
CUU117
CUC12
CUA57
CUG32
Ile I6.6%
AUU216
AUC25
Met M5.7%
AUA97
AUG111
Val V9.2%
GUU148
GUC32
GUA79
GUG77
Ser S11.0%
UCU109
UCC16
UCA69
UCG20
AGU47
AGC24
AGA77
AGG40
Pro P3.5%
CCU56
CCC9
CCA45
CCG19
Thr T4.5%
ACU77
ACC14
ACA60
ACG14
Ala A6.3%
GCU102
GCC20
GCA82
GCG28
Tyr Y3.7%
UAU89
UAC48
His H1.9%
CAU51
CAC17
Gln Q1.7%
CAA39
CAG23
Asn N2.3%
AAU57
AAC26
Lys K3.1%
AAA62
AAG53
Asp D2.4%
GAU55
GAC31
Glu E2.8%
GAA48
GAG54
Cys C2.0%
UGU58
UGC17
Trp W3.1%
UGA77
UGG35
Arg R1.6%
CGU22
CGC5
CGA25
CGG8
Gly G7.4%
GGU79
GGC40
GGA65
GGG85
Stop 0.3%
UAA4
UAG7
Genome map
39 annotated features in NC_001276.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding12
- rRNA4
- tRNA23
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (36.6%, 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-Ile | Transfer RNA | 736 | 803 | 68 bp | + | – |
| tRNA-Thr | Transfer RNA | 804 | 871 | 68 bp | + | – |
| tRNA-Glu | Transfer RNA | 892 | 960 | 69 bp | + | – |
| CYTB | Protein-coding gene | 1,083 | 2,201 | 1,119 bp | + | 38.3% |
| tRNA-Asp | Transfer RNA | 2,317 | 2,385 | 69 bp | + | – |
| COX2 | Protein-coding gene | 2,387 | 3,088 | 702 bp | + | 38.2% |
| tRNA-Met | Transfer RNA | 3,109 | 3,174 | 66 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 3,181 | 3,250 | 70 bp | + | – |
| tRNA-Leu (UUR) | Transfer RNA | 3,267 | 3,333 | 67 bp | + | – |
| tRNA-Ser (UCN) | Transfer RNA | 3,473 | 3,540 | 68 bp | + | – |
| tRNA-Pro | Transfer RNA | 3,717 | 3,785 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 3,786 | 4,822 | 1,037 bp | + | 40.1% |
| tRNA-Lys | Transfer RNA | 4,823 | 4,891 | 69 bp | + | – |
| tRNA-Cys | Transfer RNA | 4,916 | 4,983 | 68 bp | + | – |
| tRNA-Gln | Transfer RNA | 5,034 | 5,102 | 69 bp | + | – |
| 16S rRNA | Ribosomal RNA | 5,103 | 5,704 | 602 bp | + | 30.6% |
| tRNA-Asn | Transfer RNA | 5,754 | 5,819 | 66 bp | + | – |
| 12S rRNA | Ribosomal RNA | 5,820 | 7,024 | 1,205 bp | + | 40.1% |
| tRNA-Tyr | Transfer RNA | 7,025 | 7,089 | 65 bp | + | – |
| ATP6 | Protein-coding gene | 7,086 | 7,778 | 693 bp | + | 35.8% |
| tRNA-Gly | Transfer RNA | 7,814 | 7,883 | 70 bp | + | – |
| tRNA-Val | Transfer RNA | 8,529 | 8,595 | 67 bp | + | – |
| ND2 | Protein-coding gene | 8,637 | 9,635 | 999 bp | + | 35.0% |
| tRNA-Arg | Transfer RNA | 9,675 | 9,741 | 67 bp | + | – |
| tRNA-His | Transfer RNA | 9,801 | 9,865 | 65 bp | + | – |
| ND4 | Protein-coding gene | 9,868 | 11,220 | 1,353 bp | + | 36.1% |
| ND5 | Protein-coding gene | 11,298 | 12,968 | 1,671 bp | + | 39.0% |
| ND6 | Protein-coding gene | 12,981 | 13,457 | 477 bp | + | 35.9% |
| tRNA-Gln | Transfer RNA | 13,492 | 13,561 | 70 bp | + | – |
| ND3 | Protein-coding gene | 13,566 | 13,916 | 351 bp | + | 37.3% |
| tRNA-Leu (CUN) | Transfer RNA | 13,951 | 14,016 | 66 bp | + | – |
| tRNA-Phe | Transfer RNA | 14,052 | 14,119 | 68 bp | + | – |
| tRNA-Ala | Transfer RNA | 14,135 | 14,201 | 67 bp | + | – |
| ND1 | Protein-coding gene | 14,206 | 15,141 | 936 bp | + | 36.2% |
| ND4L | Protein-coding gene | 15,143 | 15,425 | 283 bp | + | 37.8% |
| tRNA-Trp | Transfer RNA | 15,426 | 15,494 | 69 bp | + | – |
| COX1 | Protein-coding gene | 15,598 | 17,115 | 1,518 bp | + | 38.0% |
| 16S rRNA | Ribosomal RNA | 17,265 | 17,977 | 713 bp | + | 30.6% |
| COX3 | Protein-coding gene | 18,084 | 735 | 876 bp | + | 35.7% |