Mauremys caspica
Caspian turtle
GC content
38.79%
Whole genome
Non-coding
1,273 bp
D-loop 1,223 bp
Where Caspian turtle sits among 2,335 species
Whole-genome GC content against maximum lifespan. Caspian turtle has the 1,071st longest lifespan of them.
- This species
- Other reptiles
- Other classes
Base composition
Whole genome16,741 bp
- GC skew (G − C) / (G + C)
- −0.334
- AT skew (A − T) / (A + T)
- +0.112
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 genome16,741 bp
Protein-coding11,359 bp
12S rRNA973 bp
16S rRNA1,595 bp
All tRNA1,550 bp
D-loop1,223 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 971 bp | 38.21% | −0.412 | +0.050 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,039 bp | 39.37% | −0.501 | +0.203 | |||||
| COX1Cytochrome c oxidase subunit I | 1,548 bp | 41.80% | −0.175 | −0.034 | |||||
| COX2Cytochrome c oxidase subunit II | 687 bp | 37.85% | −0.308 | +0.138 | |||||
| ATP8ATP synthase F0 subunit 8 | 168 bp | 36.91% | −0.645 | +0.264 | |||||
| ATP6ATP synthase F0 subunit 6 | 684 bp | 38.16% | −0.433 | +0.083 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 42.22% | −0.287 | +0.055 | |||||
| ND3NADH dehydrogenase subunit 3 | 349 bp | 38.40% | −0.388 | +0.014 | |||||
| ND4LNADH dehydrogenase subunit 4L | 300 bp | 40.33% | −0.438 | −0.050 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,377 bp | 39.51% | −0.430 | +0.131 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,806 bp | 38.59% | −0.472 | +0.102 | |||||
| ND6NADH dehydrogenase subunit 6 | 525 bp | 39.05% | −0.561 | +0.513 | |||||
| CYTBCytochrome b | 1,144 bp | 43.53% | −0.458 | +0.077 | |||||
| 12S rRNA12S ribosomal RNA | 973 bp | 41.42% | −0.186 | +0.267 | |||||
| 16S rRNA16S ribosomal RNA | 1,595 bp | 39.88% | −0.160 | +0.276 | |||||
| D-loopControl region (D-loop) | 1,223 bp | 25.27% | −0.217 | −0.105 |
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%
UUU95
UUC131
Leu L16.1%
UUA161
UUG19
CUU78
CUC70
CUA258
CUG24
Ile I8.4%
AUU148
AUC171
Met M6.5%
AUA213
AUG34
Val V4.1%
GUU27
GUC29
GUA83
GUG18
Ser S6.6%
UCU42
UCC53
UCA107
UCG7
AGU11
AGC32
Pro P5.6%
CCU27
CCC48
CCA132
CCG5
Thr T9.1%
ACU66
ACC121
ACA154
ACG3
Ala A7.0%
GCU67
GCC106
GCA83
GCG8
Tyr Y3.2%
UAU54
UAC67
His H2.7%
CAU38
CAC65
Gln Q2.7%
CAA96
CAG5
Asn N3.7%
AAU44
AAC96
Lys K2.4%
AAA88
AAG3
Asp D1.7%
GAU24
GAC42
Glu E2.4%
GAA84
GAG8
Cys C0.9%
UGU14
UGC19
Trp W2.9%
UGA97
UGG13
Arg R1.8%
CGU10
CGC10
CGA44
CGG6
Gly G6.0%
GGU39
GGC55
GGA97
GGG35
Stop 0.2%
UAA5
UAG1
AGA0
AGG2
Genome map
38 annotated features in NC_027826.1Hover, 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 (38.8%, 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 | 71 | 71 bp | + | – |
| 12S rRNA | Ribosomal RNA | 72 | 1,044 | 973 bp | + | 41.4% |
| tRNA-Val | Transfer RNA | 1,045 | 1,114 | 70 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,115 | 2,709 | 1,595 bp | + | 39.9% |
| tRNA-Leu (UUR) | Transfer RNA | 2,710 | 2,785 | 76 bp | + | – |
| ND1 | Protein-coding gene | 2,786 | 3,756 | 971 bp | + | 38.2% |
| tRNA-Ile | Transfer RNA | 3,757 | 3,826 | 70 bp | + | – |
| tRNA-Gln | Transfer RNA | 3,826 | 3,896 | 71 bp | − | – |
| tRNA-Met | Transfer RNA | 3,896 | 3,964 | 69 bp | + | – |
| ND2 | Protein-coding gene | 3,965 | 5,003 | 1,039 bp | + | 39.4% |
| tRNA-Trp | Transfer RNA | 5,004 | 5,081 | 78 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,083 | 5,151 | 69 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,153 | 5,225 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 5,252 | 5,317 | 66 bp | − | – |
| tRNA-Tyr | Transfer RNA | 5,317 | 5,387 | 71 bp | − | – |
| COX1 | Protein-coding gene | 5,389 | 6,936 | 1,548 bp | + | 41.8% |
| tRNA-Ser (UCN) | Transfer RNA | 6,928 | 6,998 | 71 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,001 | 7,070 | 70 bp | + | – |
| COX2 | Protein-coding gene | 7,071 | 7,757 | 687 bp | + | 37.9% |
| tRNA-Lys | Transfer RNA | 7,759 | 7,831 | 73 bp | + | – |
| ATP8 | Protein-coding gene | 7,833 | 8,000 | 168 bp | + | 36.9% |
| ATP6 | Protein-coding gene | 7,991 | 8,674 | 684 bp | + | 38.2% |
| COX3 | Protein-coding gene | 8,674 | 9,457 | 784 bp | + | 42.2% |
| tRNA-Gly | Transfer RNA | 9,458 | 9,525 | 68 bp | + | – |
| ND3 | Protein-coding gene | 9,526 | 9,874 | 349 bp | + | 38.4% |
| tRNA-Arg | Transfer RNA | 9,875 | 9,944 | 70 bp | + | – |
| ND4L | Protein-coding gene | 9,945 | 10,244 | 300 bp | + | 40.3% |
| ND4 | Protein-coding gene | 10,238 | 11,614 | 1,377 bp | + | 39.5% |
| tRNA-His | Transfer RNA | 11,627 | 11,696 | 70 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 11,697 | 11,763 | 67 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 11,763 | 11,834 | 72 bp | + | – |
| ND5 | Protein-coding gene | 11,835 | 13,640 | 1,806 bp | + | 38.6% |
| ND6 | Protein-coding gene | 13,636 | 14,160 | 525 bp | − | 39.1% |
| tRNA-Glu | Transfer RNA | 14,161 | 14,228 | 68 bp | − | – |
| CYTB | Protein-coding gene | 14,233 | 15,376 | 1,144 bp | + | 43.5% |
| tRNA-Thr | Transfer RNA | 15,377 | 15,448 | 72 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,450 | 15,518 | 69 bp | − | – |
| D-loop | Control region | 15,519 | 16,741 | 1,223 bp | – | 25.3% |