Mauremys nigricans
Red-necked pond turtle
GC content
39.07%
Whole genome
Non-coding
1,307 bp
D-loop 1,253 bp
Where Red-necked pond turtle sits among 2,335 species
Whole-genome GC content against maximum lifespan. Red-necked pond turtle has the 1,051st longest lifespan of them.
- This species
- Other reptiles
- Other classes
Base composition
Whole genome16,779 bp
- GC skew (G − C) / (G + C)
- −0.336
- AT skew (A − T) / (A + T)
- +0.119
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in captivity
- Data quality
- acceptable, small 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 genome16,779 bp
Protein-coding11,359 bp
12S rRNA971 bp
16S rRNA1,599 bp
All tRNA1,552 bp
D-loop1,253 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 971 bp | 40.37% | −0.413 | +0.067 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,039 bp | 38.40% | −0.509 | +0.200 | |||||
| COX1Cytochrome c oxidase subunit I | 1,548 bp | 41.41% | −0.176 | −0.039 | |||||
| COX2Cytochrome c oxidase subunit II | 690 bp | 39.42% | −0.287 | +0.129 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 36.31% | −0.574 | +0.234 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 39.47% | −0.452 | +0.101 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 42.35% | −0.289 | +0.062 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 38.40% | −0.433 | +0.014 | |||||
| ND4LNADH dehydrogenase subunit 4L | 300 bp | 41.00% | −0.398 | −0.085 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,377 bp | 39.58% | −0.398 | +0.111 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,806 bp | 39.59% | −0.483 | +0.126 | |||||
| ND6NADH dehydrogenase subunit 6 | 522 bp | 39.46% | −0.544 | +0.500 | |||||
| CYTBCytochrome b | 1,144 bp | 43.88% | −0.446 | +0.065 | |||||
| 12S rRNA12S ribosomal RNA | 971 bp | 40.89% | −0.189 | +0.258 | |||||
| 16S rRNA16S ribosomal RNA | 1,599 bp | 39.78% | −0.186 | +0.290 | |||||
| D-loopControl region (D-loop) | 1,253 bp | 26.18% | −0.232 | −0.044 |
Codon usage
Counts per codon, darker is more frequent3,792 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F6.0%
UUU97
UUC131
Leu L15.8%
UUA159
UUG21
CUU70
CUC75
CUA248
CUG26
Ile I8.2%
AUU138
AUC174
Met M6.5%
AUA207
AUG41
Val V4.2%
GUU29
GUC34
GUA80
GUG16
Ser S7.0%
UCU49
UCC53
UCA111
UCG6
AGU16
AGC32
Pro P5.6%
CCU27
CCC43
CCA133
CCG10
Thr T9.2%
ACU62
ACC129
ACA151
ACG6
Ala A7.0%
GCU60
GCC110
GCA83
GCG12
Tyr Y3.2%
UAU49
UAC71
His H2.7%
CAU37
CAC65
Gln Q2.7%
CAA97
CAG4
Asn N3.6%
AAU41
AAC97
Lys K2.4%
AAA86
AAG4
Asp D1.8%
GAU25
GAC42
Glu E2.4%
GAA80
GAG12
Cys C0.8%
UGU15
UGC15
Trp W2.9%
UGA101
UGG9
Arg R1.9%
CGU12
CGC9
CGA45
CGG5
Gly G5.9%
GGU33
GGC60
GGA96
GGG35
Stop 0.2%
UAA6
UAG0
AGA0
AGG2
Genome map
38 annotated features in NC_029369.1Hover, 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 (39.1%, 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 | 70 | 70 bp | + | – |
| 12S rRNA | Ribosomal RNA | 71 | 1,041 | 971 bp | + | 40.9% |
| tRNA-Val | Transfer RNA | 1,042 | 1,111 | 70 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,112 | 2,710 | 1,599 bp | + | 39.8% |
| tRNA-Leu (UUR) | Transfer RNA | 2,711 | 2,786 | 76 bp | + | – |
| ND1 | Protein-coding gene | 2,787 | 3,757 | 971 bp | + | 40.4% |
| tRNA-Ile | Transfer RNA | 3,758 | 3,827 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,827 | 3,897 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,897 | 3,965 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,966 | 5,004 | 1,039 bp | + | 38.4% |
| tRNA-Trp | Transfer RNA | 5,005 | 5,082 | 78 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,084 | 5,152 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,154 | 5,226 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,253 | 5,319 | 67 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,320 | 5,390 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,392 | 6,939 | 1,548 bp | + | 41.4% |
| tRNA-Ser (UCN) | Transfer RNA | 6,931 | 7,001 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,004 | 7,073 | 70 bp | + | – |
| COX2 | Protein-coding gene | 7,074 | 7,763 | 690 bp | + | 39.4% |
| tRNA-Lys | Transfer RNA | 7,765 | 7,837 | 73 bp | + | – |
| ATP8 | Protein-coding gene | 7,839 | 8,006 | 168 bp | + | 36.3% |
| ATP6 | Protein-coding gene | 7,997 | 8,680 | 684 bp | + | 39.5% |
| COX3 | Protein-coding gene | 8,680 | 9,463 | 784 bp | + | 42.4% |
| tRNA-Gly | Transfer RNA | 9,464 | 9,531 | 68 bp | + | – |
| ND3 | Protein-coding gene | 9,532 | 9,881 | 350 bp | + | 38.4% |
| tRNA-Arg | Transfer RNA | 9,882 | 9,951 | 70 bp | + | – |
| ND4L | Protein-coding gene | 9,952 | 10,251 | 300 bp | + | 41.0% |
| ND4 | Protein-coding gene | 10,245 | 11,621 | 1,377 bp | + | 39.6% |
| tRNA-His | Transfer RNA | 11,634 | 11,703 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,704 | 11,770 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,770 | 11,841 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,842 | 13,647 | 1,806 bp | + | 39.6% |
| ND6 | Protein-coding gene | 13,643 | 14,164 | 522 bp | − | 39.5% |
| tRNA-Glu | Transfer RNA | 14,168 | 14,235 | 68 bp | − | – |
| CYTB | Protein-coding gene | 14,240 | 15,383 | 1,144 bp | + | 43.9% |
| tRNA-Thr | Transfer RNA | 15,384 | 15,456 | 73 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,458 | 15,526 | 69 bp | − | – |
| D-loop | Control region | 15,527 | 16,779 | 1,253 bp | – | 26.2% |