Pseudochondrostoma polylepis
Iberian nase
GC content
44.97%
Whole genome
Non-coding
993 bp
D-loop 929 bp
Where Iberian nase sits among 2,335 species
Whole-genome GC content against maximum lifespan. Iberian nase has the 1,829th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,606 bp
- GC skew (G − C) / (G + C)
- −0.199
- AT skew (A − T) / (A + T)
- +0.047
About this record
- Lifespan source
- FishBase 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 genome16,606 bp
Protein-coding11,403 bp
12S rRNA958 bp
16S rRNA1,690 bp
All tRNA1,562 bp
D-loop929 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.00% | −0.231 | −0.073 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 48.61% | −0.264 | +0.017 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 45.00% | −0.155 | −0.081 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 44.57% | −0.201 | +0.024 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 39.39% | −0.415 | +0.200 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 42.75% | −0.301 | −0.003 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 46.30% | −0.212 | −0.050 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 43.27% | −0.192 | −0.101 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 45.46% | −0.259 | −0.049 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,382 bp | 44.57% | −0.273 | +0.018 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,836 bp | 44.39% | −0.301 | +0.030 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 49.23% | −0.346 | +0.404 | |||||
| CYTBCytochrome b | 1,141 bp | 44.26% | −0.251 | −0.041 | |||||
| 12S rRNA12S ribosomal RNA | 958 bp | 48.75% | −0.062 | +0.210 | |||||
| 16S rRNA16S ribosomal RNA | 1,690 bp | 44.79% | −0.025 | +0.230 | |||||
| D-loopControl region (D-loop) | 929 bp | 35.95% | −0.216 | +0.022 |
Codon usage
Counts per codon, darker is more frequent3,804 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.9%
UUU96
UUC129
Leu L16.5%
UUA101
UUG39
CUU128
CUC103
CUA195
CUG62
Ile I7.0%
AUU166
AUC102
Met M4.6%
AUA102
AUG72
Val V6.7%
GUU55
GUC52
GUA102
GUG46
Ser S6.2%
UCU39
UCC64
UCA66
UCG9
AGU18
AGC40
Pro P5.6%
CCU36
CCC61
CCA100
CCG15
Thr T7.8%
ACU56
ACC99
ACA114
ACG29
Ala A9.2%
GCU52
GCC149
GCA122
GCG26
Tyr Y2.9%
UAU53
UAC58
His H2.7%
CAU30
CAC74
Gln Q2.5%
CAA67
CAG30
Asn N3.1%
AAU42
AAC75
Lys K2.1%
AAA60
AAG18
Asp D2.0%
GAU26
GAC51
Glu E2.7%
GAA63
GAG39
Cys C0.7%
UGU14
UGC14
Trp W3.2%
UGA91
UGG29
Arg R2.0%
CGU9
CGC13
CGA41
CGG14
Gly G6.4%
GGU38
GGC51
GGA102
GGG51
Stop 0.2%
UAA4
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_031574.1Hover, 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 (45.0%, 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 |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 69 | 69 bp | + | – |
| 12S rRNA | Ribosomal RNA | 70 | 1,027 | 958 bp | + | 48.8% |
| tRNA-Val | Transfer RNA | 1,028 | 1,099 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,100 | 2,789 | 1,690 bp | + | 44.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,790 | 2,865 | 76 bp | + | – |
| ND1 | Protein-coding gene | 2,867 | 3,841 | 975 bp | + | 48.0% |
| tRNA-Ile | Transfer RNA | 3,846 | 3,917 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,916 | 3,986 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,988 | 4,056 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,057 | 5,101 | 1,045 bp | + | 48.6% |
| tRNA-Trp | Transfer RNA | 5,102 | 5,172 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,174 | 5,242 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,244 | 5,316 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,349 | 5,415 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,417 | 5,487 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,489 | 7,039 | 1,551 bp | + | 45.0% |
| tRNA-Ser (UCN) | Transfer RNA | 7,040 | 7,110 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,114 | 7,187 | 74 bp | + | – |
| COX2 | Protein-coding gene | 7,201 | 7,891 | 691 bp | + | 44.6% |
| tRNA-Lys | Transfer RNA | 7,892 | 7,967 | 76 bp | + | – |
| ATP8 | Protein-coding gene | 7,969 | 8,133 | 165 bp | + | 39.4% |
| ATP6 | Protein-coding gene | 8,127 | 8,809 | 683 bp | + | 42.8% |
| COX3 | Protein-coding gene | 8,810 | 9,593 | 784 bp | + | 46.3% |
| tRNA-Gly | Transfer RNA | 9,594 | 9,665 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,666 | 10,014 | 349 bp | + | 43.3% |
| tRNA-Arg | Transfer RNA | 10,015 | 10,084 | 70 bp | + | – |
| ND4L | Protein-coding gene | 10,085 | 10,381 | 297 bp | + | 45.5% |
| ND4 | Protein-coding gene | 10,375 | 11,756 | 1,382 bp | + | 44.6% |
| tRNA-His | Transfer RNA | 11,757 | 11,825 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,826 | 11,894 | 69 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,896 | 11,968 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,969 | 13,804 | 1,836 bp | + | 44.4% |
| ND6 | Protein-coding gene | 13,801 | 14,322 | 522 bp | − | 49.2% |
| tRNA-Glu | Transfer RNA | 14,323 | 14,391 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,396 | 15,536 | 1,141 bp | + | 44.3% |
| tRNA-Thr | Transfer RNA | 15,537 | 15,608 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,608 | 15,677 | 70 bp | − | – |
| D-loop | Control region | 15,678 | 16,606 | 929 bp | – | 36.0% |