Portunus sanguinolentus
Threespot swimming crab
GC content
34.41%
Whole genome
Non-coding
1,230 bp
D-loop 1,110 bp
Where Threespot swimming crab sits among 2,335 species
Whole-genome GC content against maximum lifespan. Threespot swimming crab has the 2,226th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,024 bp
- GC skew (G − C) / (G + C)
- −0.250
- AT skew (A − T) / (A + T)
- −0.037
About this record
- Lifespan source
- SeaLifeBase v26.06
- Based on
- an animal in the wild
- 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 genome16,024 bp
Protein-coding11,161 bp
12S rRNA847 bp
16S rRNA1,327 bp
All tRNA1,463 bp
D-loop1,110 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 957 bp | 32.92% | −0.251 | +0.206 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,008 bp | 35.91% | −0.403 | −0.251 | |||||
| COX1Cytochrome c oxidase subunit I | 1,534 bp | 40.16% | −0.130 | −0.190 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 38.98% | −0.206 | −0.100 | |||||
| ATP8ATP synthase F0 subunit 8 | 162 bp | 30.86% | −0.200 | −0.214 | |||||
| ATP6ATP synthase F0 subunit 6 | 678 bp | 35.84% | −0.300 | −0.136 | |||||
| COX3Cytochrome c oxidase subunit III | 792 bp | 39.14% | −0.219 | −0.145 | |||||
| ND3NADH dehydrogenase subunit 3 | 354 bp | 38.14% | −0.244 | −0.196 | |||||
| ND4LNADH dehydrogenase subunit 4L | 303 bp | 34.65% | −0.410 | +0.293 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,335 bp | 33.71% | −0.307 | +0.202 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,727 bp | 33.64% | −0.267 | +0.129 | |||||
| ND6NADH dehydrogenase subunit 6 | 507 bp | 34.71% | −0.375 | −0.269 | |||||
| CYTBCytochrome b | 1,135 bp | 38.33% | −0.251 | −0.171 | |||||
| 12S rRNA12S ribosomal RNA | 847 bp | 32.70% | −0.285 | −0.032 | |||||
| 16S rRNA16S ribosomal RNA | 1,327 bp | 30.97% | −0.221 | −0.041 | |||||
| D-loopControl region (D-loop) | 1,110 bp | 30.27% | −0.310 | −0.034 |
Codon usage
Counts per codon, darker is more frequent3,724 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.4%
UUU196
UUC117
Leu L15.1%
UUA149
UUG69
CUU134
CUC58
CUA112
CUG41
Ile I8.3%
AUU238
AUC72
Met M6.2%
AUA157
AUG74
Val V7.2%
GUU102
GUC37
GUA101
GUG28
Ser S10.4%
UCU115
UCC47
UCA65
UCG16
AGU27
AGC3
AGA73
AGG42
Pro P3.8%
CCU79
CCC21
CCA29
CCG14
Thr T5.2%
ACU94
ACC42
ACA50
ACG9
Ala A5.4%
GCU90
GCC50
GCA50
GCG10
Tyr Y4.1%
UAU100
UAC53
His H2.1%
CAU45
CAC34
Gln Q1.8%
CAA39
CAG27
Asn N3.7%
AAU77
AAC60
Lys K2.4%
AAA51
AAG37
Asp D2.0%
GAU44
GAC29
Glu E2.2%
GAA52
GAG29
Cys C1.1%
UGU30
UGC12
Trp W2.6%
UGA71
UGG27
Arg R1.5%
CGU20
CGC5
CGA23
CGG8
Gly G6.2%
GGU60
GGC25
GGA95
GGG51
Stop 0.2%
UAA6
UAG3
Genome map
38 annotated features in NC_028225.1Hover, 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 (34.4%, 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 |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,534 | 1,534 bp | + | 40.2% |
| tRNA-Leu | Transfer RNA | 1,535 | 1,599 | 65 bp | + | – |
| COX2 | Protein-coding gene | 1,616 | 2,300 | 685 bp | + | 39.0% |
| tRNA-Lys | Transfer RNA | 2,301 | 2,367 | 67 bp | + | – |
| tRNA-Asp | Transfer RNA | 2,368 | 2,435 | 68 bp | + | – |
| ATP8 | Protein-coding gene | 2,436 | 2,597 | 162 bp | + | 30.9% |
| ATP6 | Protein-coding gene | 2,591 | 3,268 | 678 bp | + | 35.8% |
| COX3 | Protein-coding gene | 3,268 | 4,059 | 792 bp | + | 39.1% |
| tRNA-Gly | Transfer RNA | 4,059 | 4,122 | 64 bp | + | – |
| ND3 | Protein-coding gene | 4,123 | 4,476 | 354 bp | + | 38.1% |
| tRNA-Ala | Transfer RNA | 4,485 | 4,549 | 65 bp | + | – |
| tRNA-Arg | Transfer RNA | 4,553 | 4,617 | 65 bp | + | – |
| tRNA-Asn | Transfer RNA | 4,619 | 4,684 | 66 bp | + | – |
| tRNA-Ser | Transfer RNA | 4,689 | 4,753 | 65 bp | + | – |
| tRNA-Glu | Transfer RNA | 4,754 | 4,820 | 67 bp | + | – |
| tRNA-His | Transfer RNA | 4,846 | 4,910 | 65 bp | − | – |
| tRNA-Phe | Transfer RNA | 4,912 | 4,976 | 65 bp | − | – |
| ND5 | Protein-coding gene | 4,976 | 6,702 | 1,727 bp | − | 33.6% |
| ND4 | Protein-coding gene | 6,720 | 8,054 | 1,335 bp | − | 33.7% |
| ND4L | Protein-coding gene | 8,048 | 8,350 | 303 bp | − | 34.7% |
| tRNA-Thr | Transfer RNA | 8,353 | 8,415 | 63 bp | + | – |
| tRNA-Pro | Transfer RNA | 8,416 | 8,483 | 68 bp | − | – |
| ND6 | Protein-coding gene | 8,486 | 8,992 | 507 bp | + | 34.7% |
| CYTB | Protein-coding gene | 8,992 | 10,126 | 1,135 bp | + | 38.3% |
| tRNA-Ser | Transfer RNA | 10,127 | 10,193 | 67 bp | + | – |
| ND1 | Protein-coding gene | 10,228 | 11,184 | 957 bp | − | 32.9% |
| tRNA-Leu (CUN) | Transfer RNA | 11,190 | 11,258 | 69 bp | − | – |
| 16S rRNA | Ribosomal RNA | 11,260 | 12,586 | 1,327 bp | − | 31.0% |
| tRNA-Val | Transfer RNA | 12,587 | 12,660 | 74 bp | − | – |
| 12S rRNA | Ribosomal RNA | 12,661 | 13,507 | 847 bp | − | 32.7% |
| D-loop | Control region | 13,508 | 14,617 | 1,110 bp | – | 30.3% |
| tRNA-Ile | Transfer RNA | 14,618 | 14,684 | 67 bp | + | – |
| tRNA-Gln | Transfer RNA | 14,682 | 14,750 | 69 bp | − | – |
| tRNA-Met | Transfer RNA | 14,752 | 14,821 | 70 bp | + | – |
| ND2 | Protein-coding gene | 14,822 | 15,829 | 1,008 bp | + | 35.9% |
| tRNA-Trp | Transfer RNA | 15,828 | 15,895 | 68 bp | + | – |
| tRNA-Cys | Transfer RNA | 15,895 | 15,958 | 64 bp | − | – |
| tRNA-Tyr | Transfer RNA | 15,959 | 16,024 | 66 bp | − | – |