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 | 496 | 56 | 439 |
| Samples | 249 | 36 | 212 |
| Peptides | 156 | 23 | 138 |
Function
PRKACA · Protein kinase cAMP-activated catalytic subunit alpha
This gene encodes one of the catalytic subunits of protein kinase A, which exists as a tetrameric holoenzyme with two regulatory subunits and two catalytic subunits, in its inactive form. cAMP causes the dissociation of the inactive holoenzyme into a dimer of regulatory subunits bound to four cAMP and two free monomeric catalytic subunits. Four different regulatory subunits and three catalytic subunits have been identified in humans. cAMP-dependent phosphorylation of proteins by protein kinase A is important to many cellular processes, including differentiation, proliferation, and apoptosis. Constitutive activation of this gene caused either by somatic mutations, or genomic duplications of regions that include this gene, have been associated with hyperplasias and adenomas of the adrenal cortex and are linked to corticotropin-independent Cushing's syndrome. Alternative splicing results in multiple transcript variants encoding different isoforms. Tissue-specific isoforms that differ at the N-terminus have been described, and these isoforms may differ in the post-translational modifications that occur at the N-terminus of some isoforms. [provided by RefSeq, Jan 2015].
Isoforms & Proteins
3 transcripts · 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.
Gene Properties
Recurrent Mutations
All 146 amino-acid changes on canonical ENST00000308677 · 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 PRKACA · cell line vs tissue
For each cancer type, the fraction of samples that carry at least one missense/complex mutation anywhere in PRKACA – 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 |
|---|---|---|
| Chronic Myelogenous Leukemia | 2/25 8% | 0/0 0% |
| T-Lymphoblastic Leukemia | 3/40 8% | 0/0 0% |
| Non-Cancerous | 1/104 1% | 38/830 5% |
| Glioblastoma | 3/98 3% | 0/0 0% |
| Endometrial Carcinoma | 3/42 7% | 10/612 2% |
| Melanoma | 2/210 1% | 19/1899 1% |
| Neuroendocrine Tumour | 4/154 3% | 3/577 1% |
| Colorectal Carcinoma | 6/143 4% | 26/3239 1% |
| Cervical Carcinoma | 0/35 0% | 4/422 1% |
| Gastric Carcinoma | 0/74 0% | 15/1809 1% |
| Bladder Carcinoma | 0/58 0% | 8/956 1% |
| Gastrointestinal Stromal Tumour | 0/0 0% | 1/133 1% |
| Hodgkins Lymphoma | 0/16 0% | 1/122 1% |
| Small Cell Lung Carcinoma | 0/9 0% | 5/752 1% |
| Other Sarcomas | 0/69 0% | 5/699 1% |
| Head and Neck Carcinoma | 0/85 0% | 8/1574 1% |
| Non-Small Cell Lung Carcinoma | 4/304 1% | 4/1390 0% |
| Medulloblastoma | 0/0 0% | 2/450 0% |
| Other Solid Cancers | 0/94 0% | 7/1515 0% |
| Glioma | 1/52 2% | 8/2127 0% |
| Hepatocellular Carcinoma | 0/46 0% | 9/2210 0% |
| Esophageal Squamous Cell Carcinoma | 1/51 2% | 8/2550 0% |
| Ovarian Carcinoma | 0/109 0% | 3/998 0% |
| Kidney Carcinoma | 1/85 1% | 4/1862 0% |
| Pancreatic Carcinoma | 0/89 0% | 4/1611 0% |
| Squamous Cell Lung Carcinoma | 1/57 2% | 1/810 0% |
| Wilms Tumour | 0/5 0% | 1/474 0% |
| Breast Carcinoma | 2/144 1% | 5/3264 0% |
| Biliary Tract Carcinoma | 0/54 0% | 2/950 0% |
| Prostate Carcinoma | 0/13 0% | 4/2105 0% |
Mutation Distribution
Where PRKACA is mutated · all tissues, split by cell line vs tissue
How many mutations in PRKACA 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 496 mutations in PRKACA
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 |
|---|