Noturus leptacanthus
Speckled madtom
GC content
41.65%
Whole genome
Non-coding
948 bp
D-loop 893 bp
Where Speckled madtom sits among 2,335 species
Whole-genome GC content against maximum lifespan. Speckled madtom has the 2,204th longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,489 bp
- GC skew (G − C) / (G + C)
- −0.271
- AT skew (A − T) / (A + T)
- +0.029
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 genome16,489 bp
Protein-coding11,381 bp
12S rRNA951 bp
16S rRNA1,656 bp
All tRNA1,553 bp
D-loop893 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 975 bp | 42.05% | −0.390 | −0.058 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 41.44% | −0.423 | +0.075 | |||||
| COX1Cytochrome c oxidase subunit I | 1,551 bp | 41.84% | −0.183 | −0.071 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 42.26% | −0.288 | +0.023 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 32.74% | −0.382 | +0.097 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 39.04% | −0.371 | −0.026 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 44.01% | −0.246 | −0.089 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 38.68% | −0.333 | −0.084 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 44.78% | −0.293 | −0.146 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 40.19% | −0.359 | −0.005 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,824 bp | 38.71% | −0.354 | −0.005 | |||||
| ND6NADH dehydrogenase subunit 6 | 516 bp | 43.99% | −0.568 | +0.377 | |||||
| CYTBCytochrome b | 1,138 bp | 42.18% | −0.333 | −0.076 | |||||
| 12S rRNA12S ribosomal RNA | 951 bp | 47.63% | −0.108 | +0.149 | |||||
| 16S rRNA16S ribosomal RNA | 1,656 bp | 43.06% | −0.125 | +0.232 | |||||
| D-loopControl region (D-loop) | 893 bp | 37.07% | −0.208 | −0.039 |
Codon usage
Counts per codon, darker is more frequent3,799 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.7%
UUU132
UUC86
Leu L16.7%
UUA184
UUG18
CUU112
CUC91
CUA194
CUG34
Ile I8.4%
AUU215
AUC105
Met M5.2%
AUA167
AUG31
Val V5.3%
GUU64
GUC23
GUA92
GUG24
Ser S6.0%
UCU48
UCC62
UCA72
UCG3
AGU9
AGC35
Pro P5.5%
CCU59
CCC79
CCA61
CCG10
Thr T7.9%
ACU71
ACC126
ACA98
ACG4
Ala A8.2%
GCU67
GCC142
GCA92
GCG11
Tyr Y3.2%
UAU70
UAC51
His H2.8%
CAU36
CAC69
Gln Q2.7%
CAA87
CAG14
Asn N3.3%
AAU68
AAC59
Lys K2.2%
AAA72
AAG11
Asp D1.9%
GAU32
GAC42
Glu E2.5%
GAA77
GAG18
Cys C0.7%
UGU13
UGC12
Trp W3.2%
UGA102
UGG20
Arg R1.9%
CGU5
CGC19
CGA39
CGG9
Gly G6.5%
GGU45
GGC77
GGA86
GGG38
Stop 0.2%
UAA5
UAG2
AGA0
AGG0
Genome map
38 annotated features in NC_068676.1Hover, 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 (41.7%, 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 | 1,020 | 951 bp | + | 47.6% |
| tRNA-Val | Transfer RNA | 1,021 | 1,092 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,093 | 2,748 | 1,656 bp | + | 43.1% |
| tRNA-Leu (UUR) | Transfer RNA | 2,749 | 2,823 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,824 | 3,798 | 975 bp | + | 42.1% |
| tRNA-Ile | Transfer RNA | 3,800 | 3,871 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,871 | 3,941 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,941 | 4,010 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,011 | 5,055 | 1,045 bp | + | 41.4% |
| tRNA-Trp | Transfer RNA | 5,056 | 5,126 | 71 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,129 | 5,197 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,199 | 5,271 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,303 | 5,368 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,371 | 5,440 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,442 | 6,992 | 1,551 bp | + | 41.8% |
| tRNA-Ser (UCN) | Transfer RNA | 6,993 | 7,063 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,066 | 7,138 | 73 bp | + | – |
| COX2 | Protein-coding gene | 7,151 | 7,841 | 691 bp | + | 42.3% |
| tRNA-Lys | Transfer RNA | 7,842 | 7,913 | 72 bp | + | – |
| ATP8 | Protein-coding gene | 7,915 | 8,082 | 168 bp | + | 32.7% |
| ATP6 | Protein-coding gene | 8,073 | 8,756 | 684 bp | + | 39.0% |
| COX3 | Protein-coding gene | 8,756 | 9,539 | 784 bp | + | 44.0% |
| tRNA-Gly | Transfer RNA | 9,540 | 9,611 | 72 bp | + | – |
| ND3 | Protein-coding gene | 9,612 | 9,960 | 349 bp | + | 38.7% |
| tRNA-Arg | Transfer RNA | 9,961 | 10,031 | 71 bp | + | – |
| ND4L | Protein-coding gene | 10,032 | 10,328 | 297 bp | + | 44.8% |
| ND4 | Protein-coding gene | 10,322 | 11,702 | 1,381 bp | + | 40.2% |
| tRNA-His | Transfer RNA | 11,703 | 11,772 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,773 | 11,839 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,842 | 11,914 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,915 | 13,738 | 1,824 bp | + | 38.7% |
| ND6 | Protein-coding gene | 13,735 | 14,250 | 516 bp | − | 44.0% |
| tRNA-Glu | Transfer RNA | 14,251 | 14,319 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,320 | 15,457 | 1,138 bp | + | 42.2% |
| tRNA-Thr | Transfer RNA | 15,458 | 15,528 | 71 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,527 | 15,596 | 70 bp | − | – |
| D-loop | Control region | 15,597 | 16,489 | 893 bp | – | 37.1% |