Corbicula fluminea
Asian clam
GC content
29.52%
Whole genome
Non-coding
2,324 bp
Including the D-loop
Where Asian clam sits among 2,335 species
Whole-genome GC content against maximum lifespan. Asian clam has the 2,091st longest lifespan of them.
- This species
- All other species
Base composition
Whole genome17,423 bp
- GC skew (G − C) / (G + C)
- +0.396
- AT skew (A − T) / (A + T)
- −0.228
About this record
- Lifespan source
- AnAge build 15
- Based on
- an animal in the wild
- Data quality
- acceptable, large 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 genome17,423 bp
Protein-coding11,823 bp
12S rRNA869 bp
16S rRNA1,015 bp
All tRNA1,404 bp
Genes and regions
Select a column to sort; select a gene to compare it across species| Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| ND1NADH dehydrogenase subunit 1 | 912 bp | 33.22% | +0.465 | −0.373 | |||||
| ND2NADH dehydrogenase subunit 2 | 1,023 bp | 30.50% | +0.583 | −0.426 | |||||
| COX1Cytochrome c oxidase subunit I | 1,614 bp | 33.64% | +0.271 | −0.270 | |||||
| COX2Cytochrome c oxidase subunit II | 1,296 bp | 31.40% | +0.533 | −0.134 | |||||
| ATP8ATP synthase F0 subunit 8 | 114 bp | 26.32% | +0.267 | −0.286 | |||||
| ATP6ATP synthase F0 subunit 6 | 741 bp | 27.53% | +0.441 | −0.337 | |||||
| COX3Cytochrome c oxidase subunit III | 762 bp | 33.07% | +0.317 | −0.353 | |||||
| ND3NADH dehydrogenase subunit 3 | 402 bp | 29.35% | +0.492 | −0.359 | |||||
| ND4LNADH dehydrogenase subunit 4L | 285 bp | 25.26% | +0.472 | −0.474 | |||||
| ND4NADH dehydrogenase subunit 4 | 1,341 bp | 31.84% | +0.457 | −0.361 | |||||
| ND5NADH dehydrogenase subunit 5 | 1,698 bp | 27.44% | +0.386 | −0.315 | |||||
| ND6NADH dehydrogenase subunit 6 | 471 bp | 31.21% | +0.592 | −0.370 | |||||
| CYTBCytochrome b | 1,164 bp | 29.81% | +0.233 | −0.305 | |||||
| 12S rRNA12S ribosomal RNA | 869 bp | 33.26% | +0.294 | +0.041 | |||||
| 16S rRNA16S ribosomal RNA | 1,015 bp | 28.08% | +0.298 | −0.003 |
Codon usage
Counts per codon, darker is more frequent3,941 codons in all protein-coding genes. Grouped with the Invertebrate mitochondrial code (NCBI table 5).
Phe F10.7%
UUU411
UUC12
Leu L14.0%
UUA302
UUG165
CUU70
CUC1
CUA9
CUG3
Ile I6.2%
AUU239
AUC4
Met M5.5%
AUA108
AUG108
Val V10.9%
GUU251
GUC3
GUA130
GUG44
Ser S10.6%
UCU160
UCC4
UCA25
UCG4
AGU68
AGC7
AGA96
AGG55
Pro P2.9%
CCU83
CCC1
CCA27
CCG4
Thr T3.3%
ACU103
ACC0
ACA20
ACG6
Ala A4.2%
GCU136
GCC3
GCA21
GCG7
Tyr Y3.5%
UAU129
UAC8
His H1.8%
CAU63
CAC9
Gln Q1.1%
CAA25
CAG20
Asn N2.7%
AAU97
AAC11
Lys K2.8%
AAA65
AAG45
Asp D2.2%
GAU81
GAC4
Glu E3.1%
GAA62
GAG60
Cys C1.7%
UGU65
UGC2
Trp W2.9%
UGA67
UGG48
Arg R1.7%
CGU29
CGC2
CGA20
CGG15
Gly G7.9%
GGU144
GGC8
GGA83
GGG76
Stop 0.3%
UAA7
UAG6
Genome map
37 annotated features in NC_046410.1Hover, 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
- Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
- Middle ring: GC% of each gene against the whole genome (29.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 37 features as a table
| Feature | Type | Start | End | Length | Strand | GC |
|---|---|---|---|---|---|---|
| COX1 | Protein-coding gene | 1 | 1,614 | 1,614 bp | + | 33.6% |
| COX2 | Protein-coding gene | 1,697 | 2,992 | 1,296 bp | + | 31.4% |
| tRNA-Gly | Transfer RNA | 2,997 | 3,059 | 63 bp | + | – |
| tRNA-Arg | Transfer RNA | 3,070 | 3,131 | 62 bp | + | – |
| CYTB | Protein-coding gene | 3,132 | 4,295 | 1,164 bp | + | 29.8% |
| 16S rRNA | Ribosomal RNA | 4,439 | 5,453 | 1,015 bp | + | 28.1% |
| ATP8 | Protein-coding gene | 5,490 | 5,603 | 114 bp | + | 26.3% |
| ND4 | Protein-coding gene | 5,628 | 6,968 | 1,341 bp | + | 31.8% |
| tRNA-His | Transfer RNA | 6,968 | 7,029 | 62 bp | + | – |
| tRNA-Glu | Transfer RNA | 7,032 | 7,095 | 64 bp | + | – |
| tRNA-Ser (AGY) | Transfer RNA | 7,101 | 7,154 | 54 bp | + | – |
| ATP6 | Protein-coding gene | 7,155 | 7,895 | 741 bp | + | 27.5% |
| ND3 | Protein-coding gene | 7,938 | 8,339 | 402 bp | + | 29.4% |
| tRNA-Ala | Transfer RNA | 8,339 | 8,402 | 64 bp | + | – |
| tRNA-Ile | Transfer RNA | 8,406 | 8,469 | 64 bp | + | – |
| tRNA-Lys | Transfer RNA | 8,474 | 8,539 | 66 bp | + | – |
| tRNA-Leu (CUN) | Transfer RNA | 8,540 | 8,603 | 64 bp | + | – |
| ND1 | Protein-coding gene | 8,604 | 9,515 | 912 bp | + | 33.2% |
| tRNA-Leu (UUR) | Transfer RNA | 9,515 | 9,578 | 64 bp | + | – |
| tRNA-Val | Transfer RNA | 9,580 | 9,643 | 64 bp | + | – |
| tRNA-Asn | Transfer RNA | 9,644 | 9,706 | 63 bp | + | – |
| ND5 | Protein-coding gene | 9,716 | 11,413 | 1,698 bp | + | 27.4% |
| ND6 | Protein-coding gene | 11,418 | 11,888 | 471 bp | + | 31.2% |
| ND4L | Protein-coding gene | 11,894 | 12,178 | 285 bp | + | 25.3% |
| tRNA-Gln | Transfer RNA | 12,181 | 12,247 | 67 bp | + | – |
| ND2 | Protein-coding gene | 12,248 | 13,270 | 1,023 bp | + | 30.5% |
| tRNA-Asp | Transfer RNA | 13,270 | 13,332 | 63 bp | + | – |
| tRNA-Thr | Transfer RNA | 13,333 | 13,398 | 66 bp | + | – |
| 12S rRNA | Ribosomal RNA | 13,398 | 14,266 | 869 bp | + | 33.3% |
| tRNA-Met | Transfer RNA | 14,260 | 14,327 | 68 bp | + | – |
| tRNA-Cys | Transfer RNA | 14,332 | 14,395 | 64 bp | + | – |
| tRNA-Tyr | Transfer RNA | 14,397 | 14,462 | 66 bp | + | – |
| tRNA-Ser (UCN) | Transfer RNA | 14,463 | 14,529 | 67 bp | + | – |
| COX3 | Protein-coding gene | 14,644 | 15,405 | 762 bp | + | 33.1% |
| tRNA-Trp | Transfer RNA | 15,422 | 15,483 | 62 bp | + | – |
| tRNA-Pro | Transfer RNA | 15,486 | 15,549 | 64 bp | + | – |
| tRNA-Phe | Transfer RNA | 17,309 | 17,371 | 63 bp | + | – |