KCNK5

Potassium two pore domain channel subfamily K member 5 O95279 KCNK5_HUMAN
Protein Coding Chr 6 6p21.2 Swiss-Prot reviewed Entrez 8645
Mutations
330
CL 63 · Tissue 263
Samples
316
CL 61 · Tissue 251
Peptides
226
unique mutant peptides
Transcripts
1
isoforms mutated

Stats by Source

Total, split by cell line (COSMIC CL / DepMap / PubMed) vs tissue (COSMIC primary tissue)

How the counts split by source
Stats by Source

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.

TotalCell lineTissue
Mutations33063263
Samples31661251
Peptides22637195

Function

KCNK5 · Potassium two pore domain channel subfamily K member 5

This gene encodes one of the members of the superfamily of potassium channel proteins containing two pore-forming P domains. The message for this gene is mainly expressed in the cortical distal tubules and collecting ducts of the kidney. The protein is highly sensitive to external pH and this, in combination with its expression pattern, suggests it may play an important role in renal potassium transport. [provided by RefSeq, Jul 2008].

Isoforms & Proteins

1 transcript · UniProt mapping is sequence-verified (AA-safe)

About the isoform mapping
Isoforms & Proteins

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.

TranscriptUniProtMutationsPeptides
ENST00000359534 O95279 330 226

Gene Properties

Type
Protein Coding
Chromosome
6
Cytoband
6p21.2
Entrez ID
Aliases
K2p5.1KCNK5bTASK-2TASK2

Recurrent Mutations

All 226 amino-acid changes on canonical ENST00000359534 · needle height = samples · drag the mini-map to zoom

What this lollipop shows
Recurrent Mutations

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 KCNK5 · cell line vs tissue

How this frequency is counted
Cancer-type mutation frequency

For each cancer type, the fraction of samples that carry at least one missense/complex mutation anywhere in KCNK5 – 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 typeCell linesTissue samples
T-Lymphoblastic Leukemia
3/40 8%
0/0 0%
Oral Cavity Carcinoma
3/54 6%
0/0 0%
Melanoma
7/210 3%
66/1899 3%
Endometrial Carcinoma
7/42 17%
11/612 2%
Bladder Carcinoma
0/58 0%
12/956 1%
Other Solid Cancers
3/94 3%
14/1515 1%
Germ Cell Tumour
0/25 0%
2/169 1%
Neuroendocrine Tumour
3/154 2%
4/577 1%
Colorectal Carcinoma
4/143 3%
26/3239 1%
Non-Cancerous
6/104 6%
2/830 0%
Gastric Carcinoma
0/74 0%
16/1809 1%
Squamous Cell Lung Carcinoma
0/57 0%
7/810 1%
Other Sarcomas
0/69 0%
6/699 1%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Non-Small Cell Lung Carcinoma
6/304 2%
6/1390 0%
Head and Neck Carcinoma
0/85 0%
11/1574 1%
Ewings Sarcoma
2/63 3%
0/262 0%
Plasma Cell Myeloma
0/44 0%
2/305 1%
Esophageal Squamous Cell Carcinoma
1/51 2%
13/2550 1%
Esophageal Carcinoma
2/23 9%
2/769 0%
Small Cell Lung Carcinoma
0/9 0%
3/752 0%
Glioma
3/52 6%
5/2127 0%
Prostate Carcinoma
2/13 15%
5/2105 0%
Breast Carcinoma
1/144 1%
10/3264 0%
B-Cell Non-Hodgkins Lymphoma
0/88 0%
7/2534 0%
Ovarian Carcinoma
1/109 1%
2/998 0%
Kidney Carcinoma
0/85 0%
5/1862 0%
Pancreatic Carcinoma
4/89 4%
0/1611 0%
Cervical Carcinoma
0/35 0%
1/422 0%
Wilms Tumour
0/5 0%
1/474 0%

Mutation Distribution

Where KCNK5 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in KCNK5 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

GTEx Portal ↗
About the expression data
GTEx Expression

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 330 mutations in KCNK5

About the mutation list
Mutations

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.

IDSampleTranscriptAA Change CDSTypeSourceMutant PeptideWild-type Peptide