Stats by Source
Total, split by cell line (COSMIC CL / DepMap / PubMed) vs tissue (COSMIC primary tissue)
Total = all mutations for this gene across every source.
Cell line = COSMIC Cell Lines Project + DepMap + PubMed.
Tissue = COSMIC primary-tissue (patient tumour) samples.
Total can exceed cell line + tissue: COSMIC tissue-derived models sit only in global, and a peptide can be shared across both.
| Total | Cell line | Tissue | |
|---|---|---|---|
| Mutations | 476 | 101 | 364 |
| Samples | 446 | 95 | 342 |
| Peptides | 353 | 67 | 291 |
Function
IARS2 · Isoleucyl-tRNA synthetase 2, mitochondrial
Aminoacyl-tRNA synthetases catalyze the aminoacylation of tRNA by their cognate amino acid. Because of their central role in linking amino acids with nucleotide triplets contained in tRNAS, aminoacyl-tRNA synthetases are thought to be among the first proteins that appeared in evolution. Two forms of isoleucine-tRNA synthetase exist, a cytoplasmic form and a mitochondrial form. This gene encodes the mitochondrial isoleucine-tRNA synthetase which belongs to the class-I aminoacyl-tRNA synthetase family. [provided by RefSeq, Dec 2014].
Isoforms & Proteins
1 transcript · UniProt mapping is sequence-verified (AA-safe)
Each Ensembl transcript (ENST) this gene is mutated on, with its matched UniProt accession.
The mapping is sequence-verified: the UniProt sequence is identical to the transcript translation, so amino-acid positions line up exactly. A * marks an unreviewed (TrEMBL) entry.
Counts are mutations and unique mutant peptides on each transcript.
| Transcript | UniProt | Mutations | Peptides |
|---|---|---|---|
| ENST00000366922 | Q9NSE4 | 476 | 353 |
Gene Properties
Recurrent Mutations
All 353 amino-acid changes on canonical ENST00000366922 · needle height = samples · drag the mini-map to zoom
A lollipop / needle plot – the standard way to show recurrent mutations along a protein (as used by cBioPortal and MutationMapper).
X-axis = amino-acid position in the protein.
Needle height & head size = how often that exact amino-acid change was observed (its recurrence). Tall/large heads are mutational hotspots.
The most recurrent changes are labelled; hover any needle for the change, position and counts.
Mutation frequency across cancer types
% of samples with a missense/complex mutation in IARS2 · cell line vs tissue
For each cancer type, the fraction of samples that carry at least one missense/complex mutation anywhere in IARS2 – counted as distinct samples (a sample counts once no matter how many mutations it has).
Split into cell line and tissue; each cell shows mutated / total and the percentage. Cohorts with <20 samples are omitted. Ordered by combined frequency.
| Cancer type | Cell lines | Tissue samples |
|---|---|---|
| Chordoma | 2/7 29% | 1/13 8% |
| Endometrial Carcinoma | 5/42 12% | 32/612 5% |
| Unknown | 0/10 0% | 1/29 3% |
| Melanoma | 7/210 3% | 46/1899 2% |
| T-Lymphoblastic Leukemia | 1/40 2% | 0/0 0% |
| Hodgkins Lymphoma | 3/16 19% | 0/122 0% |
| Non-Small Cell Lung Carcinoma | 15/304 5% | 21/1390 2% |
| Glioblastoma | 2/98 2% | 0/0 0% |
| Colorectal Carcinoma | 15/143 10% | 52/3239 2% |
| Bladder Carcinoma | 1/58 2% | 16/956 2% |
| Other Solid Cancers | 2/94 2% | 23/1515 2% |
| Gastric Carcinoma | 3/74 4% | 22/1809 1% |
| Cervical Carcinoma | 1/35 3% | 5/422 1% |
| Chondrosarcoma | 1/14 7% | 0/75 0% |
| Ovarian Carcinoma | 5/109 5% | 6/998 1% |
| Squamous Cell Lung Carcinoma | 0/57 0% | 8/810 1% |
| Burkitts Lymphoma | 0/32 0% | 2/196 1% |
| Head and Neck Carcinoma | 4/85 5% | 8/1574 1% |
| Hepatocellular Carcinoma | 0/46 0% | 16/2210 1% |
| Biliary Tract Carcinoma | 2/54 4% | 5/950 1% |
| Esophageal Squamous Cell Carcinoma | 2/51 4% | 16/2550 1% |
| Ewings Sarcoma | 0/63 0% | 2/262 1% |
| Plasma Cell Myeloma | 1/44 2% | 1/305 0% |
| B-Cell Non-Hodgkins Lymphoma | 4/88 5% | 11/2534 0% |
| Kidney Carcinoma | 3/85 4% | 8/1862 0% |
| Small Cell Lung Carcinoma | 0/9 0% | 4/752 1% |
| Other Sarcomas | 1/69 1% | 3/699 0% |
| Germ Cell Tumour | 0/25 0% | 1/169 1% |
| Osteosarcoma | 0/45 0% | 1/166 1% |
| Prostate Carcinoma | 3/13 23% | 6/2105 0% |
Mutation Distribution
Where IARS2 is mutated · all tissues, split by cell line vs tissue
How many mutations in IARS2 were found in each tissue, across the whole database.
Each bar is a tissue (cell-line and tissue names are merged to the standard tissue), split into cell line and tissue (patient tumour) contributions.
This shows the cancer-context where this gene is recurrently altered.
GTEx Expression
Median TPM across 54 healthy tissues
Median gene expression (TPM) in normal, non-cancer human tissues from the GTEx project.
Useful for judging tumour specificity – a strong neoantigen target ideally comes from a gene with low expression in healthy tissues.
Scroll or drag the mini-axis below the chart to browse all tissues.
Mutations
All 476 mutations in IARS2
Every mutation record for this gene, across all samples and sources.
The Sample column links to the cell line (cell-line samples) or the tissue type (tissue samples).
Use the Type / Source filters, the search box, and column sorting to explore; each CAN-IMMUNE ID opens the full mutation & peptide view.
| ID | Sample | Transcript | AA Change | CDS | Type | Source | Mutant Peptide | Wild-type Peptide |
|---|