Euphausia pacifica
Isada krill
GC content
28.03%
Whole genome
Non-coding
2,321 bp
Including the D-loop
Where Isada krill sits among 2,335 species
Whole-genome GC content against maximum lifespan. Isada krill has the 2,271st longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,898 bp
- GC skew (G − C) / (G + C)
- −0.145
- AT skew (A − T) / (A + T)
- +0.004
About this record
- Lifespan source
- SeaLifeBase v26.06
- Based on
- an observed animal, origin not stated
- 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 genome16,898 bp
Protein-coding11,161 bp
12S rRNA612 bp
16S rRNA1,326 bp
All tRNA1,480 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 939 bp | 28.33% | −0.218 | +0.218 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,002 bp | 29.64% | −0.152 | −0.112 | |||||
| COX1Cytochrome c oxidase subunit I | 1,539 bp | 35.80% | −0.027 | −0.136 | |||||
| COX2Cytochrome c oxidase subunit II | 688 bp | 31.69% | −0.037 | −0.068 | |||||
| ATP8ATP synthase F0 subunit 8 | 159 bp | 25.16% | −0.400 | +0.008 | |||||
| ATP6ATP synthase F0 subunit 6 | 675 bp | 30.07% | −0.133 | −0.119 | |||||
| COX3Cytochrome c oxidase subunit III | 793 bp | 34.93% | −0.061 | −0.120 | |||||
| ND3NADH dehydrogenase subunit 3 | 354 bp | 29.94% | −0.151 | −0.161 | |||||
| ND4LNADH dehydrogenase subunit 4L | 300 bp | 25.67% | −0.195 | +0.283 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,338 bp | 27.58% | −0.279 | +0.230 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,731 bp | 27.44% | −0.213 | +0.191 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 26.82% | −0.243 | −0.230 | |||||
| CYTBCytochrome b | 1,137 bp | 30.70% | −0.089 | −0.160 | |||||
| 12S rRNA12S ribosomal RNA | 612 bp | 24.35% | −0.195 | −0.058 | |||||
| 16S rRNA16S ribosomal RNA | 1,326 bp | 22.02% | −0.212 | −0.025 |
Codon usage
Counts per codon, darker is more frequent3,725 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F8.4%
UUU264
UUC49
Leu L15.8%
UUA375
UUG33
CUU101
CUC8
CUA61
CUG11
Ile I7.4%
AUU238
AUC39
Met M5.6%
AUA179
AUG31
Val V7.3%
GUU120
GUC13
GUA116
GUG23
Ser S9.5%
UCU129
UCC7
UCA90
UCG6
AGU38
AGC4
AGA68
AGG12
Pro P3.9%
CCU70
CCC9
CCA58
CCG9
Thr T5.4%
ACU99
ACC12
ACA87
ACG3
Ala A6.3%
GCU103
GCC16
GCA105
GCG9
Tyr Y3.8%
UAU117
UAC25
His H2.3%
CAU53
CAC32
Gln Q1.9%
CAA59
CAG13
Asn N3.5%
AAU104
AAC27
Lys K2.3%
AAA77
AAG9
Asp D2.1%
GAU55
GAC23
Glu E2.0%
GAA49
GAG24
Cys C1.2%
UGU37
UGC6
Trp W2.7%
UGA84
UGG16
Arg R1.7%
CGU20
CGC3
CGA36
CGG4
Gly G6.6%
GGU89
GGC18
GGA100
GGG39
Stop 0.3%
UAA11
UAG0
Genome map
37 annotated features in NC_016184.1Hover, 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 (28.0%, 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 | 1,539 | 1,539 bp | + | 35.8% |
| tRNA-Leu (CUN) | Transfer RNA | 1,551 | 1,616 | 66 bp | + | – |
| COX2 | Protein-coding gene | 1,617 | 2,304 | 688 bp | + | 31.7% |
| tRNA-Lys | Transfer RNA | 2,305 | 2,373 | 69 bp | + | – |
| tRNA-Asp | Transfer RNA | 2,388 | 2,454 | 67 bp | + | – |
| ATP8 | Protein-coding gene | 2,455 | 2,613 | 159 bp | + | 25.2% |
| ATP6 | Protein-coding gene | 2,607 | 3,281 | 675 bp | + | 30.1% |
| COX3 | Protein-coding gene | 3,281 | 4,073 | 793 bp | + | 34.9% |
| tRNA-Gly | Transfer RNA | 4,074 | 4,140 | 67 bp | + | – |
| ND3 | Protein-coding gene | 4,141 | 4,494 | 354 bp | + | 29.9% |
| tRNA-Ala | Transfer RNA | 4,510 | 4,574 | 65 bp | + | – |
| tRNA-Arg | Transfer RNA | 4,575 | 4,640 | 66 bp | + | – |
| tRNA-Asn | Transfer RNA | 4,643 | 4,709 | 67 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 4,709 | 4,777 | 69 bp | + | – |
| tRNA-Glu | Transfer RNA | 4,778 | 4,845 | 68 bp | + | – |
| tRNA-Phe | Transfer RNA | 4,915 | 4,984 | 70 bp | − | – |
| ND5 | Protein-coding gene | 4,984 | 6,714 | 1,731 bp | − | 27.4% |
| tRNA-His | Transfer RNA | 6,715 | 6,779 | 65 bp | − | – |
| ND4 | Protein-coding gene | 6,780 | 8,117 | 1,338 bp | − | 27.6% |
| ND4L | Protein-coding gene | 8,111 | 8,410 | 300 bp | − | 25.7% |
| tRNA-Thr | Transfer RNA | 8,413 | 8,479 | 67 bp | + | – |
| tRNA-Pro | Transfer RNA | 8,481 | 8,547 | 67 bp | − | – |
| ND6 | Protein-coding gene | 8,551 | 9,072 | 522 bp | + | 26.8% |
| CYTB | Protein-coding gene | 9,072 | 10,208 | 1,137 bp | + | 30.7% |
| tRNA-Ser (UCN) | Transfer RNA | 10,219 | 10,289 | 71 bp | + | – |
| ND1 | Protein-coding gene | 10,307 | 11,245 | 939 bp | − | 28.3% |
| tRNA-Leu (UUR) | Transfer RNA | 11,261 | 11,326 | 66 bp | − | – |
| 16S rRNA | Ribosomal RNA | 11,327 | 12,652 | 1,326 bp | − | 22.0% |
| tRNA-Val | Transfer RNA | 12,653 | 12,724 | 72 bp | − | – |
| 12S rRNA | Ribosomal RNA | 12,726 | 13,337 | 612 bp | − | 24.4% |
| tRNA-Ile | Transfer RNA | 15,470 | 15,534 | 65 bp | + | – |
| tRNA-Gln | Transfer RNA | 15,532 | 15,600 | 69 bp | − | – |
| tRNA-Met | Transfer RNA | 15,600 | 15,667 | 68 bp | + | – |
| ND2 | Protein-coding gene | 15,668 | 16,669 | 1,002 bp | + | 29.6% |
| tRNA-Cys | Transfer RNA | 16,669 | 16,734 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 16,742 | 16,806 | 65 bp | − | – |
| tRNA-Trp | Transfer RNA | 16,823 | 16,892 | 70 bp | + | – |