Perna perna
Mexilhao mussel
GC content
36.69%
Whole genome
Non-coding
4,409 bp
D-loop 2,965 bp
Where Mexilhao mussel sits among 2,335 species
Whole-genome GC content against maximum lifespan. Mexilhao mussel has the 1,915th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome18,415 bp
- GC skew (G − C) / (G + C)
- +0.198
- AT skew (A − T) / (A + T)
- −0.186
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
- 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 genome18,415 bp
Protein-coding10,533 bp
12S rRNA819 bp
16S rRNA1,186 bp
All tRNA1,468 bp
D-loop2,965 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 906 bp | 36.09% | +0.278 | −0.299 | |||||
| ND2NADH dehydrogenase subunit 2 | 936 bp | 33.01% | +0.262 | −0.327 | |||||
| COX1Cytochrome c oxidase subunit I | 1,629 bp | 38.67% | +0.127 | −0.231 | |||||
| COX2Cytochrome c oxidase subunit II | 705 bp | 38.16% | +0.182 | −0.115 | |||||
| ATP6ATP synthase F0 subunit 6 | 510 bp | 35.88% | +0.213 | −0.419 | |||||
| COX3Cytochrome c oxidase subunit III | 936 bp | 37.39% | +0.337 | −0.297 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 36.75% | +0.225 | −0.351 | |||||
| ND4LNADH dehydrogenase subunit 4L | 261 bp | 35.63% | +0.247 | −0.250 | |||||
| ND4NADH dehydrogenase subunit 4 | 966 bp | 36.03% | +0.236 | −0.304 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,638 bp | 35.71% | +0.234 | −0.267 | |||||
| ND6NADH dehydrogenase subunit 6 | 537 bp | 31.66% | +0.294 | −0.210 | |||||
| CYTBCytochrome b | 1,158 bp | 34.80% | +0.151 | −0.266 | |||||
| 12S rRNA12S ribosomal RNA | 819 bp | 41.51% | +0.041 | −0.132 | |||||
| 16S rRNA16S ribosomal RNA | 1,186 bp | 37.69% | +0.199 | −0.047 | |||||
| D-loopControl region (D-loop) | 2,965 bp | 38.85% | +0.184 | +0.002 |
Codon usage
Counts per codon, darker is more frequent3,511 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F9.5%
UUU290
UUC44
Leu L13.4%
UUA171
UUG138
CUU84
CUC14
CUA47
CUG16
Ile I6.2%
AUU181
AUC38
Met M5.6%
AUA108
AUG89
Val V10.1%
GUU170
GUC25
GUA73
GUG85
Ser S9.5%
UCU88
UCC22
UCA19
UCG17
AGU69
AGC20
AGA60
AGG37
Pro P3.7%
CCU85
CCC13
CCA21
CCG11
Thr T3.5%
ACU69
ACC15
ACA25
ACG15
Ala A4.8%
GCU73
GCC37
GCA32
GCG26
Tyr Y4.1%
UAU88
UAC55
His H2.5%
CAU64
CAC24
Gln Q1.3%
CAA30
CAG14
Asn N2.7%
AAU64
AAC31
Lys K3.4%
AAA87
AAG31
Asp D2.2%
GAU60
GAC16
Glu E2.4%
GAA40
GAG45
Cys C2.2%
UGU59
UGC18
Trp W2.9%
UGA57
UGG46
Arg R2.3%
CGU32
CGC11
CGA21
CGG18
Gly G7.4%
GGU114
GGC22
GGA53
GGG72
Stop 0.3%
UAA6
UAG6
Genome map
41 annotated features in NC_026288.1Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.
- Protein-coding12
- rRNA2
- tRNA23
- D-loop4
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (36.7%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 41 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 63 | 63 bp | + | – |
| 16S rRNA | Ribosomal RNA | 112 | 1,297 | 1,186 bp | + | 37.7% |
| tRNA-Tyr | Transfer RNA | 1,298 | 1,362 | 65 bp | + | – |
| ND4L | Protein-coding gene | 1,375 | 1,635 | 261 bp | + | 35.6% |
| tRNA-Pro | Transfer RNA | 1,646 | 1,714 | 69 bp | + | – |
| tRNA-Glu | Transfer RNA | 1,713 | 1,777 | 65 bp | + | – |
| tRNA-Cys | Transfer RNA | 1,779 | 1,840 | 62 bp | + | – |
| ND3 | Protein-coding gene | 1,841 | 2,191 | 351 bp | + | 36.8% |
| tRNA-Met | Transfer RNA | 2,197 | 2,257 | 61 bp | + | – |
| tRNA-Trp | Transfer RNA | 2,236 | 2,299 | 64 bp | + | – |
| tRNA-Leu | Transfer RNA | 2,325 | 2,388 | 64 bp | + | – |
| tRNA-Lys | Transfer RNA | 2,396 | 2,462 | 67 bp | + | – |
| tRNA-Leu | Transfer RNA | 2,465 | 2,529 | 65 bp | + | – |
| tRNA-Val | Transfer RNA | 2,531 | 2,594 | 64 bp | + | – |
| ND4 | Protein-coding gene | 2,984 | 3,949 | 966 bp | + | 36.0% |
| tRNA-Ala | Transfer RNA | 3,950 | 4,013 | 64 bp | + | – |
| tRNA-Glu | Transfer RNA | 4,018 | 4,080 | 63 bp | + | – |
| tRNA-Met | Transfer RNA | 4,083 | 4,155 | 73 bp | + | – |
| ND5 | Protein-coding gene | 4,378 | 6,015 | 1,638 bp | + | 35.7% |
| ND6 | Protein-coding gene | 6,089 | 6,625 | 537 bp | + | 31.7% |
| tRNA-Asp | Transfer RNA | 6,626 | 6,689 | 64 bp | + | – |
| tRNA-Arg | Transfer RNA | 6,697 | 6,761 | 65 bp | + | – |
| tRNA-Asn | Transfer RNA | 6,769 | 6,831 | 63 bp | + | – |
| COX3 | Protein-coding gene | 6,832 | 7,767 | 936 bp | + | 37.4% |
| D-loop | Control region | 7,768 | 8,383 | 616 bp | – | 38.9% |
| 12S rRNA | Ribosomal RNA | 8,384 | 9,202 | 819 bp | + | 41.5% |
| D-loop | Control region | 9,203 | 9,980 | 778 bp | – | 38.9% |
| tRNA-Ser | Transfer RNA | 9,981 | 10,040 | 60 bp | + | – |
| ATP6 | Protein-coding gene | 10,397 | 10,906 | 510 bp | + | 35.9% |
| ND1 | Protein-coding gene | 11,018 | 11,923 | 906 bp | + | 36.1% |
| tRNA-Gly | Transfer RNA | 11,930 | 11,994 | 65 bp | + | – |
| D-loop | Control region | 11,995 | 12,991 | 997 bp | – | 38.9% |
| tRNA-Gln | Transfer RNA | 12,992 | 13,059 | 68 bp | + | – |
| COX2 | Protein-coding gene | 13,063 | 13,767 | 705 bp | + | 38.2% |
| tRNA-Thr | Transfer RNA | 13,780 | 13,842 | 63 bp | + | – |
| D-loop | Control region | 13,843 | 14,416 | 574 bp | – | 38.9% |
| CYTB | Protein-coding gene | 14,417 | 15,574 | 1,158 bp | + | 34.8% |
| tRNA-His | Transfer RNA | 15,582 | 15,647 | 66 bp | + | – |
| COX1 | Protein-coding gene | 15,654 | 17,282 | 1,629 bp | + | 38.7% |
| ND2 | Protein-coding gene | 17,381 | 18,316 | 936 bp | + | 33.0% |
| tRNA-Ile | Transfer RNA | 18,344 | 18,412 | 69 bp | + | – |