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 | 281 | 42 | 238 |
| Samples | 263 | 42 | 220 |
| Peptides | 171 | 21 | 154 |
Function
TAS2R38 · Taste 2 receptor member 38
This gene encodes a seven-transmembrane G protein-coupled receptor that controls the ability to taste glucosinolates, a family of bitter-tasting compounds found in plants of the Brassica sp. Synthetic compounds phenylthiocarbamide (PTC) and 6-n-propylthiouracil (PROP) have been identified as ligands for this receptor and have been used to test the genetic diversity of this gene. Although several allelic forms of this gene have been identified worldwide, there are two predominant common forms (taster and non-taster) found outside of Africa. These alleles differ at three nucleotide positions resulting in amino acid changes in the protein (A49P, A262V, and V296I) with the amino acid combination PAV identifying the taster variant (and AVI identifying the non-taster variant). [provided by RefSeq, Oct 2009].
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 |
|---|---|---|---|
| ENST00000547270 | P59533 | 281 | 171 |
Gene Properties
Recurrent Mutations
All 171 amino-acid changes on canonical ENST00000547270 · 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 TAS2R38 · cell line vs tissue
For each cancer type, the fraction of samples that carry at least one missense/complex mutation anywhere in TAS2R38 – 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 |
|---|---|---|
| Gastrointestinal Stromal Tumour | 0/0 0% | 6/133 5% |
| Melanoma | 10/210 5% | 67/1899 4% |
| Endometrial Carcinoma | 2/42 5% | 14/612 2% |
| Hodgkins Lymphoma | 2/16 12% | 0/122 0% |
| Non-Small Cell Lung Carcinoma | 4/304 1% | 17/1390 1% |
| Acute Myeloid Leukemia | 1/90 1% | 0/0 0% |
| Small Cell Lung Carcinoma | 2/9 22% | 5/752 1% |
| Adrenocortical Carcinoma | 1/3 33% | 0/112 0% |
| Plasma Cell Myeloma | 2/44 5% | 1/305 0% |
| Squamous Cell Lung Carcinoma | 0/57 0% | 7/810 1% |
| Other Solid Cancers | 2/94 2% | 10/1515 1% |
| Gastric Carcinoma | 0/74 0% | 12/1809 1% |
| Colorectal Carcinoma | 4/143 3% | 17/3239 1% |
| Bladder Carcinoma | 0/58 0% | 6/956 1% |
| Hepatocellular Carcinoma | 0/46 0% | 10/2210 0% |
| Glioma | 0/52 0% | 9/2127 0% |
| Esophageal Carcinoma | 0/23 0% | 3/769 0% |
| Ovarian Carcinoma | 3/109 3% | 1/998 0% |
| Kidney Carcinoma | 0/85 0% | 6/1862 0% |
| Prostate Carcinoma | 0/13 0% | 6/2105 0% |
| Head and Neck Carcinoma | 2/85 2% | 2/1574 0% |
| Cervical Carcinoma | 0/35 0% | 1/422 0% |
| Breast Carcinoma | 3/144 2% | 4/3264 0% |
| Esophageal Squamous Cell Carcinoma | 0/51 0% | 5/2550 0% |
| Pancreatic Carcinoma | 0/89 0% | 3/1611 0% |
| B-Cell Non-Hodgkins Lymphoma | 2/88 2% | 2/2534 0% |
| Thyroid Gland Carcinoma | 0/45 0% | 2/1592 0% |
| Non-Cancerous | 0/104 0% | 1/830 0% |
| Other Blood Cancers | 1/61 2% | 2/2725 0% |
| Biliary Tract Carcinoma | 1/54 2% | 0/950 0% |
Mutation Distribution
Where TAS2R38 is mutated · all tissues, split by cell line vs tissue
How many mutations in TAS2R38 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 4 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 281 mutations in TAS2R38
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 |
|---|