Malapterurus electricus
Electric catfish
GC content
42.40%
Whole genome
Non-coding
931 bp
D-loop 866 bp
Where Electric catfish sits among 2,335 species
Whole-genome GC content against maximum lifespan. Electric catfish has the 1,563rd longest lifespan of them.
- This species
- Other ray-finned fishes
- Other classes
Base composition
Whole genome16,504 bp
- GC skew (G − C) / (G + C)
- −0.300
- AT skew (A − T) / (A + T)
- +0.079
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
- Unchanged since build 1
- In the database since
- build 1 (2015-07-01)
Every change against the 2015 build is in the changelog download.
Composition by region
Reference (L) strand as deposited in RefSeqWhole genome16,504 bp
Protein-coding11,377 bp
12S rRNA954 bp
16S rRNA1,683 bp
All tRNA1,559 bp
D-loop866 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 974 bp | 43.94% | −0.336 | +0.033 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,045 bp | 43.64% | −0.509 | +0.131 | |||||
| COX1Cytochrome c oxidase subunit I | 1,548 bp | 41.99% | −0.182 | −0.011 | |||||
| COX2Cytochrome c oxidase subunit II | 691 bp | 40.09% | −0.264 | +0.034 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 37.50% | −0.492 | +0.143 | |||||
| ATP6ATP synthase F0 subunit 6 | 683 bp | 39.09% | −0.468 | +0.053 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 45.15% | −0.294 | 0.000 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 41.55% | −0.338 | −0.029 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 43.43% | −0.333 | −0.071 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,381 bp | 41.13% | −0.384 | +0.046 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,827 bp | 41.43% | −0.416 | +0.073 | |||||
| ND6NADH dehydrogenase subunit 6 | 513 bp | 42.30% | −0.576 | +0.412 | |||||
| CYTBCytochrome b | 1,138 bp | 43.76% | −0.442 | +0.016 | |||||
| 12S rRNA12S ribosomal RNA | 954 bp | 47.90% | −0.129 | +0.207 | |||||
| 16S rRNA16S ribosomal RNA | 1,683 bp | 43.32% | −0.108 | +0.229 | |||||
| D-loopControl region (D-loop) | 866 bp | 35.45% | −0.192 | −0.098 |
Codon usage
Counts per codon, darker is more frequent3,796 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.8%
UUU115
UUC107
Leu L17.4%
UUA159
UUG15
CUU86
CUC95
CUA275
CUG29
Ile I7.5%
AUU176
AUC110
Met M4.9%
AUA152
AUG33
Val V5.2%
GUU50
GUC28
GUA103
GUG18
Ser S6.2%
UCU34
UCC64
UCA83
UCG3
AGU14
AGC37
Pro P5.8%
CCU38
CCC96
CCA77
CCG8
Thr T8.2%
ACU57
ACC117
ACA139
ACG0
Ala A8.6%
GCU51
GCC149
GCA118
GCG10
Tyr Y2.9%
UAU51
UAC60
His H2.8%
CAU26
CAC79
Gln Q2.5%
CAA91
CAG5
Asn N3.3%
AAU60
AAC65
Lys K2.2%
AAA76
AAG8
Asp D1.9%
GAU26
GAC46
Glu E2.6%
GAA89
GAG10
Cys C0.7%
UGU11
UGC17
Trp W3.1%
UGA105
UGG13
Arg R1.9%
CGU6
CGC19
CGA42
CGG6
Gly G6.2%
GGU32
GGC67
GGA98
GGG37
Stop 0.1%
UAA5
UAG0
AGA0
AGG0
Genome map
38 annotated features in NC_015833.1Hover, 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 (42.4%, 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 | 1,023 | 954 bp | + | 47.9% |
| tRNA-Val | Transfer RNA | 1,024 | 1,095 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,096 | 2,778 | 1,683 bp | + | 43.3% |
| tRNA-Leu (UUR) | Transfer RNA | 2,779 | 2,853 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,854 | 3,827 | 974 bp | + | 43.9% |
| tRNA-Ile | Transfer RNA | 3,828 | 3,899 | 72 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,899 | 3,969 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,969 | 4,038 | 70 bp | + | – |
| ND2 | Protein-coding gene | 4,039 | 5,083 | 1,045 bp | + | 43.6% |
| tRNA-Trp | Transfer RNA | 5,084 | 5,156 | 73 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,159 | 5,227 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,229 | 5,301 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,332 | 5,398 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,399 | 5,468 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,470 | 7,017 | 1,548 bp | + | 42.0% |
| tRNA-Ser (UCN) | Transfer RNA | 7,018 | 7,088 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,093 | 7,163 | 71 bp | + | – |
| COX2 | Protein-coding gene | 7,178 | 7,868 | 691 bp | + | 40.1% |
| tRNA-Lys | Transfer RNA | 7,869 | 7,942 | 74 bp | + | – |
| ATP8 | Protein-coding gene | 7,944 | 8,111 | 168 bp | + | 37.5% |
| ATP6 | Protein-coding gene | 8,102 | 8,784 | 683 bp | + | 39.1% |
| COX3 | Protein-coding gene | 8,785 | 9,568 | 784 bp | + | 45.2% |
| tRNA-Gly | Transfer RNA | 9,569 | 9,641 | 73 bp | + | – |
| ND3 | Protein-coding gene | 9,642 | 9,990 | 349 bp | + | 41.6% |
| tRNA-Arg | Transfer RNA | 9,991 | 10,061 | 71 bp | + | – |
| ND4L | Protein-coding gene | 10,062 | 10,358 | 297 bp | + | 43.4% |
| ND4 | Protein-coding gene | 10,352 | 11,732 | 1,381 bp | + | 41.1% |
| tRNA-His | Transfer RNA | 11,733 | 11,802 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,803 | 11,870 | 68 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,878 | 11,950 | 73 bp | + | – |
| ND5 | Protein-coding gene | 11,951 | 13,777 | 1,827 bp | + | 41.4% |
| ND6 | Protein-coding gene | 13,774 | 14,286 | 513 bp | − | 42.3% |
| tRNA-Glu | Transfer RNA | 14,287 | 14,355 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,361 | 15,498 | 1,138 bp | + | 43.8% |
| tRNA-Thr | Transfer RNA | 15,499 | 15,570 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,569 | 15,638 | 70 bp | − | – |
| D-loop | Control region | 15,639 | 16,504 | 866 bp | – | 35.5% |