Ophiophagus hannah
King cobra
GC content
41.51%
Whole genome
Non-coding
2,100 bp
D-loop 2,026 bp
Where King cobra sits among 2,335 species
Whole-genome GC content against maximum lifespan. King cobra has the 765th longest lifespan of them.
- This species
- Other reptiles
- Other classes
Base composition
Whole genome17,267 bp
- GC skew (G − C) / (G + C)
- −0.396
- AT skew (A − T) / (A + T)
- +0.148
Life history
- Maximum lifespan
- 22.5 years
- Adult weight
- 8 kg
Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03457)
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in captivity
- Data quality
- acceptable, tiny 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 genome17,267 bp
Protein-coding11,262 bp
12S rRNA934 bp
16S rRNA1,479 bp
All tRNA1,502 bp
D-loop2,026 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 964 bp | 42.95% | −0.502 | +0.131 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,030 bp | 40.00% | −0.549 | +0.259 | |||||
| COX1Cytochrome c oxidase subunit I | 1,602 bp | 43.32% | −0.300 | +0.037 | |||||
| COX2Cytochrome c oxidase subunit II | 685 bp | 43.94% | −0.269 | +0.245 | |||||
| ATP8ATP synthase F0 subunit 8 | 165 bp | 36.97% | −0.607 | +0.288 | |||||
| ATP6ATP synthase F0 subunit 6 | 681 bp | 38.03% | −0.514 | +0.137 | |||||
| COX3Cytochrome c oxidase subunit III | 784 bp | 44.90% | −0.347 | +0.106 | |||||
| ND3NADH dehydrogenase subunit 3 | 343 bp | 45.48% | −0.449 | +0.080 | |||||
| ND4LNADH dehydrogenase subunit 4L | 291 bp | 35.40% | −0.456 | +0.128 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,337 bp | 40.76% | −0.552 | +0.124 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,776 bp | 38.18% | −0.546 | +0.211 | |||||
| ND6NADH dehydrogenase subunit 6 | 504 bp | 38.69% | −0.641 | +0.534 | |||||
| CYTBCytochrome b | 1,117 bp | 41.90% | −0.500 | +0.079 | |||||
| 12S rRNA12S ribosomal RNA | 934 bp | 43.79% | −0.183 | +0.280 | |||||
| 16S rRNA16S ribosomal RNA | 1,479 bp | 42.80% | −0.232 | +0.317 | |||||
| D-loopControl region (D-loop) | 2,026 bp | 39.39% | −0.368 | −0.091 |
Codon usage
Counts per codon, darker is more frequent3,757 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).
Phe F5.3%
UUU65
UUC135
Leu L15.7%
UUA80
UUG27
CUU58
CUC99
CUA290
CUG36
Ile I8.3%
AUU129
AUC183
Met M6.9%
AUA225
AUG33
Val V3.8%
GUU32
GUC27
GUA69
GUG16
Ser S7.3%
UCU39
UCC66
UCA114
UCG5
AGU11
AGC38
Pro P5.4%
CCU29
CCC46
CCA126
CCG3
Thr T11.7%
ACU59
ACC173
ACA198
ACG10
Ala A6.2%
GCU48
GCC87
GCA96
GCG2
Tyr Y3.0%
UAU50
UAC62
His H2.6%
CAU22
CAC76
Gln Q2.5%
CAA83
CAG10
Asn N4.0%
AAU43
AAC106
Lys K2.8%
AAA94
AAG10
Asp D1.6%
GAU21
GAC40
Glu E2.5%
GAA85
GAG8
Cys C0.8%
UGU7
UGC23
Trp W2.6%
UGA85
UGG14
Arg R1.7%
CGU11
CGC12
CGA41
CGG1
Gly G5.1%
GGU35
GGC58
GGA75
GGG25
Stop 0.2%
UAA4
UAG0
AGA1
AGG1
Genome map
40 annotated features in NC_011394.1Hover, 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
- tRNA23
- D-loop2
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (41.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 40 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| tRNA-Phe | Transfer RNA | 1 | 62 | 62 bp | + | – |
| 12S rRNA | Ribosomal RNA | 63 | 996 | 934 bp | + | 43.8% |
| tRNA-Val | Transfer RNA | 997 | 1,062 | 66 bp | + | – |
| 16S rRNA | Ribosomal RNA | 1,063 | 2,541 | 1,479 bp | + | 42.8% |
| ND1 | Protein-coding gene | 2,542 | 3,505 | 964 bp | + | 43.0% |
| tRNA-Ile | Transfer RNA | 3,506 | 3,571 | 66 bp | + | – |
| D-loop | Control region | 3,572 | 4,589 | 1,018 bp | – | 39.4% |
| tRNA-Leu (UUR) | Transfer RNA | 4,590 | 4,662 | 73 bp | + | – |
| tRNA-Gln | Transfer RNA | 4,664 | 4,733 | 70 bp | − | – |
| tRNA-Met | Transfer RNA | 4,735 | 4,796 | 62 bp | + | – |
| ND2 | Protein-coding gene | 4,797 | 5,826 | 1,030 bp | + | 40.0% |
| tRNA-Trp | Transfer RNA | 5,827 | 5,891 | 65 bp | + | – |
| tRNA-Ala | Transfer RNA | 5,894 | 5,958 | 65 bp | − | – |
| tRNA-Asn | Transfer RNA | 5,959 | 6,031 | 73 bp | − | – |
| tRNA-Cys | Transfer RNA | 6,069 | 6,130 | 62 bp | − | – |
| tRNA-Tyr | Transfer RNA | 6,131 | 6,194 | 64 bp | − | – |
| COX1 | Protein-coding gene | 6,196 | 7,797 | 1,602 bp | + | 43.3% |
| tRNA-Ser (UCN) | Transfer RNA | 7,788 | 7,855 | 68 bp | − | – |
| tRNA-Asp | Transfer RNA | 7,856 | 7,920 | 65 bp | + | – |
| COX2 | Protein-coding gene | 7,922 | 8,606 | 685 bp | + | 43.9% |
| tRNA-Lys | Transfer RNA | 8,607 | 8,670 | 64 bp | + | – |
| ATP8 | Protein-coding gene | 8,672 | 8,836 | 165 bp | + | 37.0% |
| ATP6 | Protein-coding gene | 8,827 | 9,507 | 681 bp | + | 38.0% |
| COX3 | Protein-coding gene | 9,507 | 10,290 | 784 bp | + | 44.9% |
| tRNA-Gly | Transfer RNA | 10,291 | 10,351 | 61 bp | + | – |
| ND3 | Protein-coding gene | 10,352 | 10,694 | 343 bp | + | 45.5% |
| tRNA-Arg | Transfer RNA | 10,695 | 10,758 | 64 bp | + | – |
| ND4L | Protein-coding gene | 10,759 | 11,049 | 291 bp | + | 35.4% |
| ND4 | Protein-coding gene | 11,049 | 12,385 | 1,337 bp | + | 40.8% |
| tRNA-His | Transfer RNA | 12,386 | 12,450 | 65 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 12,453 | 12,510 | 58 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 12,508 | 12,578 | 71 bp | + | – |
| ND5 | Protein-coding gene | 12,580 | 14,355 | 1,776 bp | + | 38.2% |
| ND6 | Protein-coding gene | 14,351 | 14,854 | 504 bp | − | 38.7% |
| tRNA-Glu | Transfer RNA | 14,855 | 14,919 | 65 bp | − | – |
| CYTB | Protein-coding gene | 14,920 | 16,036 | 1,117 bp | + | 41.9% |
| tRNA-Thr | Transfer RNA | 16,037 | 16,103 | 67 bp | + | – |
| tRNA-Pro | Transfer RNA | 16,104 | 16,166 | 63 bp | − | – |
| tRNA-Ile | Transfer RNA | 16,194 | 16,259 | 66 bp | + | – |
| D-loop | Control region | 16,260 | 17,267 | 1,008 bp | – | 39.4% |