Percina macrocephala
Longhead darter
GC content
46.88%
Whole genome
Non-coding
1,001 bp
D-loop 934 bp
Where Longhead darter sits among 2,335 species
Whole-genome GC content against maximum lifespan. Longhead darter has the 2,123rd longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,591 bp
- GC skew (G − C) / (G + C)
- −0.229
- AT skew (A − T) / (A + T)
- −0.005
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, medium 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 genome16,591 bp
Protein-coding11,406 bp
12S rRNA945 bp
16S rRNA1,690 bp
All tRNA1,549 bp
D-loop934 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 48.51% | −0.269 | −0.175 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,046 bp | 49.90% | −0.375 | −0.008 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 47.65% | −0.191 | −0.108 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 43.13% | −0.208 | −0.028 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 44.64% | −0.467 | +0.118 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 47.66% | −0.337 | −0.140 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 50.38% | −0.271 | −0.059 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 46.99% | −0.341 | −0.265 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 51.85% | −0.377 | −0.147 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 47.50% | −0.271 | −0.051 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,839 bp | 45.57% | −0.286 | −0.051 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 49.43% | −0.310 | +0.364 | |||||
| CYTBCytochrome b | 1,141 bp | 47.85% | −0.286 | −0.140 | |||||
| 12S rRNA12S ribosomal RNA | 945 bp | 49.42% | −0.092 | +0.192 | |||||
| 16S rRNA16S ribosomal RNA | 1,690 bp | 46.33% | −0.086 | +0.180 | |||||
| D-loopControl region (D-loop) | 934 bp | 36.40% | −0.094 | −0.024 |
Codon usage
Counts per codon, darker is more frequent3,807 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.1%
UUU136
UUC95
Leu L17.4%
UUA100
UUG21
CUU185
CUC126
CUA167
CUG64
Ile I6.9%
AUU153
AUC109
Met M3.8%
AUA81
AUG65
Val V6.0%
GUU72
GUC57
GUA61
GUG38
Ser S6.3%
UCU35
UCC81
UCA53
UCG17
AGU12
AGC42
Pro P5.9%
CCU68
CCC111
CCA33
CCG13
Thr T7.6%
ACU56
ACC102
ACA97
ACG33
Ala A9.6%
GCU62
GCC181
GCA103
GCG21
Tyr Y2.9%
UAU38
UAC72
His H2.9%
CAU30
CAC79
Gln Q2.6%
CAA66
CAG32
Asn N3.1%
AAU40
AAC77
Lys K2.0%
AAA56
AAG20
Asp D2.0%
GAU16
GAC60
Glu E2.7%
GAA56
GAG46
Cys C0.6%
UGU9
UGC14
Trp W3.2%
UGA89
UGG31
Arg R2.0%
CGU13
CGC15
CGA31
CGG17
Gly G6.4%
GGU28
GGC78
GGA60
GGG77
Stop 0.2%
UAA5
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_056400.1Hover, 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 (46.9%, 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 | 68 | 68 bp | + | – |
| 12S rRNA | Ribosomal RNA | 69 | 1,013 | 945 bp | + | 49.4% |
| tRNA-Val | Transfer RNA | 1,014 | 1,086 | 73 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,087 | 2,776 | 1,690 bp | + | 46.3% |
| tRNA-Leu (UUR) | Transfer RNA | 2,777 | 2,850 | 74 bp | + | – |
| ND1 | Protein-coding gene | 2,851 | 3,825 | 975 bp | + | 48.5% |
| tRNA-Ile | Transfer RNA | 3,830 | 3,899 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,899 | 3,969 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,969 | 4,037 | 69 bp | + | – |
| ND2 | Protein-coding gene | 4,038 | 5,083 | 1,046 bp | + | 49.9% |
| tRNA-Trp | Transfer RNA | 5,084 | 5,154 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,156 | 5,224 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,226 | 5,298 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,336 | 5,401 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,402 | 5,472 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,474 | 7,024 | 1,551 bp | + | 47.7% |
| tRNA-Ser (UCN) | Transfer RNA | 7,025 | 7,095 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,099 | 7,169 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,178 | 7,868 | 691 bp | + | 43.1% |
| tRNA-Lys | Transfer RNA | 7,869 | 7,942 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,944 | 8,111 | 168 bp | + | 44.6% |
| ATP6 | Protein-coding gene | 8,102 | 8,785 | 684 bp | + | 47.7% |
| COX3 | Protein-coding gene | 8,785 | 9,568 | 784 bp | + | 50.4% |
| tRNA-Gly | Transfer RNA | 9,570 | 9,640 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,641 | 9,989 | 349 bp | + | 47.0% |
| tRNA-Arg | Transfer RNA | 9,990 | 10,058 | 69 bp | + | – |
| ND4L | Protein-coding gene | 10,059 | 10,355 | 297 bp | + | 51.9% |
| ND4 | Protein-coding gene | 10,349 | 11,729 | 1,381 bp | + | 47.5% |
| tRNA-His | Transfer RNA | 11,730 | 11,798 | 69 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,799 | 11,866 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,872 | 11,944 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,945 | 13,783 | 1,839 bp | + | 45.6% |
| ND6 | Protein-coding gene | 13,780 | 14,301 | 522 bp | − | 49.4% |
| tRNA-Glu | Transfer RNA | 14,302 | 14,370 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,376 | 15,516 | 1,141 bp | + | 47.9% |
| tRNA-Thr | Transfer RNA | 15,517 | 15,588 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,588 | 15,657 | 70 bp | − | – |
| D-loop | Control region | 15,658 | 16,591 | 934 bp | – | 36.4% |