Ciona intestinalis
Vase tunicate
GC content
23.45%
Whole genome
Non-coding
263 bp
Including the D-loop
Where Vase tunicate sits among 2,335 species
Whole-genome GC content against maximum lifespan. Vase tunicate has the 2,259th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome14,591 bp
- GC skew (G − C) / (G + C)
- +0.068
- AT skew (A − T) / (A + T)
- −0.136
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 genome14,591 bp
Protein-coding10,970 bp
12S rRNA660 bp
16S rRNA1,129 bp
All tRNA1,569 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 909 bp | 24.09% | +0.114 | −0.171 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,074 bp | 22.16% | +0.084 | −0.151 | |||||
| COX1Cytochrome c oxidase subunit I | 1,563 bp | 27.06% | +0.035 | −0.154 | |||||
| COX2Cytochrome c oxidase subunit II | 690 bp | 26.09% | +0.078 | −0.169 | |||||
| ATP8ATP synthase F0 subunit 8 | 111 bp | 23.42% | −0.385 | −0.247 | |||||
| ATP6ATP synthase F0 subunit 6 | 633 bp | 24.01% | −0.013 | −0.252 | |||||
| COX3Cytochrome c oxidase subunit III | 789 bp | 29.15% | +0.078 | −0.227 | |||||
| ND3NADH dehydrogenase subunit 3 | 342 bp | 22.81% | −0.051 | −0.258 | |||||
| ND4LNADH dehydrogenase subunit 4L | 273 bp | 16.85% | +0.087 | −0.145 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,320 bp | 23.56% | +0.010 | −0.211 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,732 bp | 23.04% | +0.068 | −0.140 | |||||
| ND6NADH dehydrogenase subunit 6 | 483 bp | 17.60% | +0.318 | −0.281 | |||||
| CYTBCytochrome b | 1,088 bp | 27.94% | −0.013 | −0.173 | |||||
| 12S rRNA12S ribosomal RNA | 660 bp | 20.61% | +0.103 | −0.019 | |||||
| 16S rRNA16S ribosomal RNA | 1,129 bp | 19.58% | +0.176 | +0.015 |
Codon usage
Counts per codon, darker is more frequent3,668 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F12.9%
UUU401
UUC72
Leu L15.0%
UUA334
UUG51
CUU72
CUC14
CUA68
CUG10
Ile I8.4%
AUU270
AUC37
Met M7.0%
AUA209
AUG46
Val V6.6%
GUU104
GUC13
GUA104
GUG22
Ser S8.6%
UCU128
UCC27
UCA74
UCG4
AGU76
AGC8
Pro P2.8%
CCU68
CCC14
CCA18
CCG2
Thr T3.7%
ACU78
ACC10
ACA42
ACG4
Ala A2.6%
GCU68
GCC11
GCA13
GCG3
Tyr Y4.3%
UAU131
UAC27
His H1.8%
CAU51
CAC15
Gln Q1.4%
CAA44
CAG7
Asn N4.3%
AAU137
AAC20
Lys K3.2%
AAA95
AAG24
Asp D1.9%
GAU62
GAC8
Glu E2.1%
GAA57
GAG20
Cys C0.8%
UGU27
UGC2
Trp W2.4%
UGA75
UGG13
Arg R1.4%
CGU20
CGC2
CGA20
CGG10
Gly G1.9%
GGU21
GGC0
GGA35
GGG14
Stop 7.0%
UAA10
UAG1
AGA187
AGG58
Genome map
39 annotated features in NC_017929.1Hover, 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
- tRNA24
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (23.5%, 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 |
|---|---|---|---|---|---|---|
| 12S rRNA | Ribosomal RNA | 1 | 660 | 660 bp | + | 20.6% |
| tRNA-Trp | Transfer RNA | 661 | 722 | 62 bp | + | – |
| ND6 | Protein-coding gene | 723 | 1,205 | 483 bp | + | 17.6% |
| tRNA-Gly | Transfer RNA | 1,212 | 1,279 | 68 bp | + | – |
| tRNA-Met | Transfer RNA | 1,282 | 1,344 | 63 bp | + | – |
| tRNA-Asp | Transfer RNA | 1,349 | 1,416 | 68 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 1,428 | 1,487 | 60 bp | + | – |
| tRNA-Met | Transfer RNA | 1,494 | 1,560 | 67 bp | + | – |
| tRNA-Asn | Transfer RNA | 1,561 | 1,630 | 70 bp | + | – |
| ATP6 | Protein-coding gene | 1,631 | 2,263 | 633 bp | + | 24.0% |
| ND2 | Protein-coding gene | 2,256 | 3,329 | 1,074 bp | + | 22.2% |
| tRNA-Ala | Transfer RNA | 3,346 | 3,407 | 62 bp | + | – |
| COX2 | Protein-coding gene | 3,408 | 4,097 | 690 bp | + | 26.1% |
| CYTB | Protein-coding gene | 4,069 | 5,156 | 1,088 bp | + | 27.9% |
| tRNA-Pro | Transfer RNA | 5,157 | 5,218 | 62 bp | + | – |
| ND4L | Protein-coding gene | 5,227 | 5,499 | 273 bp | + | 16.9% |
| tRNA-His | Transfer RNA | 5,500 | 5,569 | 70 bp | + | – |
| tRNA-Arg | Transfer RNA | 5,573 | 5,640 | 68 bp | + | – |
| tRNA-Gln | Transfer RNA | 5,640 | 5,706 | 67 bp | + | – |
| COX3 | Protein-coding gene | 5,708 | 6,496 | 789 bp | + | 29.2% |
| tRNA-Lys | Transfer RNA | 6,498 | 6,566 | 69 bp | + | – |
| ND1 | Protein-coding gene | 6,611 | 7,519 | 909 bp | + | 24.1% |
| 16S rRNA | Ribosomal RNA | 7,591 | 8,719 | 1,129 bp | + | 19.6% |
| tRNA-Ile | Transfer RNA | 8,720 | 8,786 | 67 bp | + | – |
| ND3 | Protein-coding gene | 8,788 | 9,129 | 342 bp | + | 22.8% |
| tRNA-Glu | Transfer RNA | 9,130 | 9,199 | 70 bp | + | – |
| tRNA-Val | Transfer RNA | 9,200 | 9,264 | 65 bp | + | – |
| ND4 | Protein-coding gene | 9,278 | 10,597 | 1,320 bp | + | 23.6% |
| tRNA-Cys | Transfer RNA | 10,607 | 10,658 | 52 bp | + | – |
| tRNA-Phe | Transfer RNA | 10,672 | 10,739 | 68 bp | + | – |
| ATP8 | Protein-coding gene | 10,754 | 10,864 | 111 bp | + | 23.4% |
| tRNA-Gly | Transfer RNA | 10,885 | 10,952 | 68 bp | + | – |
| tRNA-Tyr | Transfer RNA | 10,965 | 11,031 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,035 | 11,098 | 64 bp | + | – |
| tRNA-Ser (UCN) | Transfer RNA | 11,099 | 11,159 | 61 bp | + | – |
| COX1 | Protein-coding gene | 11,161 | 12,723 | 1,563 bp | + | 27.1% |
| tRNA-Thr | Transfer RNA | 12,725 | 12,788 | 64 bp | + | – |
| ND5 | Protein-coding gene | 12,792 | 14,523 | 1,732 bp | + | 23.0% |
| tRNA-Leu (UUR) | Transfer RNA | 14,524 | 14,591 | 68 bp | + | – |