Birgus latro
Coconut crab
GC content
34.36%
Whole genome
Non-coding
1,646 bp
Including the D-loop
Where Coconut crab sits among 2,335 species
Whole-genome GC content against maximum lifespan. Coconut crab has the 266th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,411 bp
- GC skew (G − C) / (G + C)
- −0.218
- AT skew (A − T) / (A + T)
- +0.068
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 genome16,411 bp
Protein-coding11,144 bp
12S rRNA800 bp
16S rRNA1,365 bp
All tRNA1,458 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 939 bp | 33.33% | −0.316 | +0.390 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,000 bp | 34.90% | −0.352 | −0.128 | |||||
| COX1Cytochrome c oxidase subunit I | 1,534 bp | 38.20% | −0.113 | −0.059 | |||||
| COX2Cytochrome c oxidase subunit II | 690 bp | 36.96% | −0.129 | −0.034 | |||||
| ATP8ATP synthase F0 subunit 8 | 159 bp | 22.64% | −0.333 | +0.024 | |||||
| ATP6ATP synthase F0 subunit 6 | 675 bp | 36.30% | −0.241 | −0.121 | |||||
| COX3Cytochrome c oxidase subunit III | 792 bp | 39.02% | −0.172 | −0.085 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 34.19% | −0.183 | +0.307 | |||||
| ND4LNADH dehydrogenase subunit 4L | 303 bp | 33.00% | −0.280 | +0.369 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,341 bp | 32.44% | −0.324 | +0.329 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,726 bp | 31.52% | −0.202 | +0.269 | |||||
| ND6NADH dehydrogenase subunit 6 | 514 bp | 32.49% | −0.305 | −0.072 | |||||
| CYTBCytochrome b | 1,135 bp | 39.56% | −0.234 | −0.128 | |||||
| 12S rRNA12S ribosomal RNA | 800 bp | 30.88% | −0.336 | +0.067 | |||||
| 16S rRNA16S ribosomal RNA | 1,365 bp | 30.18% | −0.345 | +0.022 |
Codon usage
Counts per codon, darker is more frequent3,718 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F9.3%
UUU249
UUC96
Leu L15.6%
UUA208
UUG89
CUU94
CUC32
CUA137
CUG21
Ile I8.3%
AUU229
AUC79
Met M5.1%
AUA126
AUG64
Val V7.5%
GUU114
GUC33
GUA101
GUG29
Ser S9.5%
UCU110
UCC38
UCA58
UCG13
AGU29
AGC9
AGA72
AGG26
Pro P4.0%
CCU71
CCC23
CCA47
CCG8
Thr T4.7%
ACU79
ACC30
ACA61
ACG6
Ala A6.3%
GCU117
GCC48
GCA61
GCG8
Tyr Y3.7%
UAU88
UAC48
His H2.2%
CAU45
CAC37
Gln Q1.9%
CAA50
CAG20
Asn N3.4%
AAU76
AAC52
Lys K2.4%
AAA62
AAG27
Asp D1.9%
GAU45
GAC26
Glu E2.4%
GAA58
GAG31
Cys C1.0%
UGU31
UGC7
Trp W2.6%
UGA68
UGG29
Arg R1.6%
CGU17
CGC6
CGA32
CGG6
Gly G6.3%
GGU67
GGC17
GGA97
GGG53
Stop 0.2%
UAA6
UAG2
Genome map
37 annotated features in NC_045091.1Hover, 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
- 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 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,534 | 1,534 bp | + | 38.2% |
| tRNA-Leu (CUN) | Transfer RNA | 1,535 | 1,600 | 66 bp | + | – |
| COX2 | Protein-coding gene | 1,607 | 2,296 | 690 bp | + | 37.0% |
| tRNA-Lys | Transfer RNA | 2,306 | 2,370 | 65 bp | + | – |
| tRNA-Met | Transfer RNA | 2,375 | 2,440 | 66 bp | + | – |
| tRNA-Ile | Transfer RNA | 2,460 | 2,525 | 66 bp | + | – |
| ND2 | Protein-coding gene | 2,582 | 3,581 | 1,000 bp | + | 34.9% |
| tRNA-Asp | Transfer RNA | 3,582 | 3,646 | 65 bp | + | – |
| ATP8 | Protein-coding gene | 3,647 | 3,805 | 159 bp | + | 22.6% |
| ATP6 | Protein-coding gene | 3,799 | 4,473 | 675 bp | + | 36.3% |
| COX3 | Protein-coding gene | 4,473 | 5,264 | 792 bp | + | 39.0% |
| tRNA-Arg | Transfer RNA | 5,280 | 5,342 | 63 bp | + | – |
| tRNA-Asn | Transfer RNA | 5,342 | 5,408 | 67 bp | + | – |
| tRNA-Glu | Transfer RNA | 5,417 | 5,483 | 67 bp | + | – |
| tRNA-Phe | Transfer RNA | 5,485 | 5,550 | 66 bp | − | – |
| ND5 | Protein-coding gene | 5,551 | 7,276 | 1,726 bp | − | 31.5% |
| tRNA-His | Transfer RNA | 7,277 | 7,343 | 67 bp | − | – |
| ND4 | Protein-coding gene | 7,368 | 8,708 | 1,341 bp | − | 32.4% |
| ND4L | Protein-coding gene | 8,702 | 9,004 | 303 bp | − | 33.0% |
| tRNA-Thr | Transfer RNA | 9,007 | 9,071 | 65 bp | + | – |
| ND6 | Protein-coding gene | 9,085 | 9,598 | 514 bp | + | 32.5% |
| CYTB | Protein-coding gene | 9,599 | 10,733 | 1,135 bp | + | 39.6% |
| tRNA-Ser (UCN) | Transfer RNA | 10,734 | 10,798 | 65 bp | + | – |
| tRNA-Pro | Transfer RNA | 10,798 | 10,864 | 67 bp | − | – |
| ND1 | Protein-coding gene | 10,867 | 11,805 | 939 bp | − | 33.3% |
| 16S rRNA | Ribosomal RNA | 11,839 | 13,203 | 1,365 bp | − | 30.2% |
| tRNA-Val | Transfer RNA | 13,204 | 13,272 | 69 bp | − | – |
| 12S rRNA | Ribosomal RNA | 13,271 | 14,070 | 800 bp | − | 30.9% |
| tRNA-Ser (AGY) | Transfer RNA | 15,452 | 15,517 | 66 bp | − | – |
| tRNA-Ala | Transfer RNA | 15,524 | 15,587 | 64 bp | − | – |
| ND3 | Protein-coding gene | 15,603 | 15,953 | 351 bp | − | 34.2% |
| tRNA-Gly | Transfer RNA | 15,954 | 16,022 | 69 bp | − | – |
| tRNA-Leu (UUR) | Transfer RNA | 16,029 | 16,093 | 65 bp | − | – |
| tRNA-Tyr | Transfer RNA | 16,093 | 16,161 | 69 bp | + | – |
| tRNA-Trp | Transfer RNA | 16,166 | 16,234 | 69 bp | − | – |
| tRNA-Gln | Transfer RNA | 16,269 | 16,336 | 68 bp | − | – |
| tRNA-Cys | Transfer RNA | 16,341 | 16,407 | 67 bp | − | – |