Lepidosiren paradoxa
South American lungfish
GC content
37.23%
Whole genome
Non-coding
1,024 bp
D-loop 974 bp
Where South American lungfish sits among 2,335 species
Whole-genome GC content against maximum lifespan. South American lungfish has the 1,711th longest lifespan of them.
- This species
- All other species
Base composition
Whole genome16,403 bp
- GC skew (G − C) / (G + C)
- −0.227
- AT skew (A − T) / (A + T)
- +0.003
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
- Updated in build 2
- In the database since
- build 1 (2015-07-01)
- Last changed
- 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 genome16,403 bp
Protein-coding11,410 bp
12S rRNA930 bp
16S rRNA1,578 bp
All tRNA1,529 bp
D-loop974 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 969 bp | 34.68% | −0.280 | −0.071 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,032 bp | 34.30% | −0.350 | −0.047 | |||||
| COX1Cytochrome c oxidase subunit I | 1,554 bp | 38.87% | −0.156 | −0.067 | |||||
| COX2Cytochrome c oxidase subunit II | 699 bp | 37.48% | −0.229 | +0.048 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 29.09% | −0.583 | +0.026 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 36.40% | −0.390 | −0.090 | |||||
| COX3Cytochrome c oxidase subunit III | 837 bp | 39.43% | −0.255 | −0.041 | |||||
| ND3NADH dehydrogenase subunit 3 | 351 bp | 36.75% | −0.132 | −0.198 | |||||
| ND4LNADH dehydrogenase subunit 4L | 297 bp | 42.09% | −0.408 | −0.128 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,378 bp | 33.60% | −0.322 | −0.021 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,830 bp | 35.46% | −0.328 | −0.048 | |||||
| ND6NADH dehydrogenase subunit 6 | 510 bp | 36.47% | −0.462 | +0.352 | |||||
| CYTBCytochrome b | 1,140 bp | 37.98% | −0.349 | −0.041 | |||||
| 12S rRNA12S ribosomal RNA | 930 bp | 40.75% | −0.050 | +0.140 | |||||
| 16S rRNA16S ribosomal RNA | 1,578 bp | 37.33% | +0.008 | +0.155 | |||||
| D-loopControl region (D-loop) | 974 bp | 36.86% | −0.175 | −0.057 |
Codon usage
Counts per codon, darker is more frequent3,815 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.6%
UUU193
UUC57
Leu L17.1%
UUA222
UUG20
CUU159
CUC65
CUA166
CUG21
Ile I8.9%
AUU272
AUC67
Met M5.0%
AUA160
AUG31
Val V4.8%
GUU62
GUC29
GUA85
GUG6
Ser S7.7%
UCU61
UCC49
UCA131
UCG3
AGU26
AGC25
Pro P5.1%
CCU39
CCC32
CCA111
CCG13
Thr T7.7%
ACU86
ACC64
ACA139
ACG6
Ala A6.9%
GCU66
GCC89
GCA97
GCG12
Tyr Y3.0%
UAU64
UAC49
His H2.5%
CAU46
CAC48
Gln Q2.6%
CAA87
CAG11
Asn N3.6%
AAU84
AAC55
Lys K2.2%
AAA79
AAG6
Asp D1.9%
GAU28
GAC44
Glu E2.6%
GAA81
GAG17
Cys C0.7%
UGU14
UGC11
Trp W3.1%
UGA108
UGG9
Arg R1.9%
CGU11
CGC18
CGA35
CGG7
Gly G6.0%
GGU41
GGC53
GGA88
GGG45
Stop 0.3%
UAA7
UAG4
AGA1
AGG0
Genome map
38 annotated features in NC_003342.1Hover, 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 (37.2%, 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 | 72 | 72 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,000 | 930 bp | + | 40.8% |
| tRNA-Val | Transfer RNA | 1,001 | 1,072 | 72 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,073 | 2,650 | 1,578 bp | + | 37.3% |
| tRNA-Leu (UUR) | Transfer RNA | 2,651 | 2,725 | 75 bp | + | – |
| ND1 | Protein-coding gene | 2,726 | 3,694 | 969 bp | + | 34.7% |
| tRNA-Ile | Transfer RNA | 3,696 | 3,766 | 71 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,764 | 3,834 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,834 | 3,902 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,903 | 4,934 | 1,032 bp | + | 34.3% |
| tRNA-Trp | Transfer RNA | 4,933 | 5,000 | 68 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,004 | 5,072 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,078 | 5,150 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,170 | 5,236 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,236 | 5,305 | 70 bp | − | – |
| COX1 | Protein-coding gene | 5,307 | 6,860 | 1,554 bp | + | 38.9% |
| tRNA-Ser (UCN) | Transfer RNA | 6,862 | 6,930 | 69 bp | − | – |
| tRNA-Asp | Transfer RNA | 6,937 | 7,004 | 68 bp | + | – |
| COX2 | Protein-coding gene | 7,006 | 7,704 | 699 bp | + | 37.5% |
| tRNA-Lys | Transfer RNA | 7,697 | 7,762 | 66 bp | + | – |
| ATP8 | Protein-coding gene | 7,764 | 7,928 | 165 bp | + | 29.1% |
| ATP6 | Protein-coding gene | 7,919 | 8,602 | 684 bp | + | 36.4% |
| COX3 | Protein-coding gene | 8,602 | 9,438 | 837 bp | + | 39.4% |
| tRNA-Gly | Transfer RNA | 9,385 | 9,455 | 71 bp | + | – |
| ND3 | Protein-coding gene | 9,456 | 9,806 | 351 bp | + | 36.8% |
| tRNA-Arg | Transfer RNA | 9,805 | 9,873 | 69 bp | + | – |
| ND4L | Protein-coding gene | 9,874 | 10,170 | 297 bp | + | 42.1% |
| ND4 | Protein-coding gene | 10,164 | 11,541 | 1,378 bp | + | 33.6% |
| tRNA-His | Transfer RNA | 11,542 | 11,609 | 68 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,607 | 11,676 | 70 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,678 | 11,748 | 71 bp | + | – |
| ND5 | Protein-coding gene | 11,749 | 13,578 | 1,830 bp | + | 35.5% |
| ND6 | Protein-coding gene | 13,561 | 14,070 | 510 bp | − | 36.5% |
| tRNA-Glu | Transfer RNA | 14,071 | 14,139 | 69 bp | − | – |
| CYTB | Protein-coding gene | 14,140 | 15,279 | 1,140 bp | + | 38.0% |
| tRNA-Thr | Transfer RNA | 15,283 | 15,353 | 71 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,362 | 15,429 | 68 bp | − | – |
| D-loop | Control region | 15,430 | 16,403 | 974 bp | – | 36.9% |