CSNK2A1

Casein kinase 2 alpha 1 P68400 CSK21_HUMAN
Protein Coding Chr 20 20p13 Swiss-Prot reviewed Entrez 1457
Mutations
3,684
CL 304 · Tissue 3,305
Samples
233
CL 36 · Tissue 192
Peptides
213
unique mutant peptides
Transcripts
21
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
Mutations3,6843043,305
Samples23336192
Peptides21322195

Function

CSNK2A1 · Casein kinase 2 alpha 1

Casein kinase II is a serine/threonine protein kinase that phosphorylates acidic proteins such as casein. It is involved in various cellular processes, including cell cycle control, apoptosis, and circadian rhythm. The kinase exists as a tetramer and is composed of an alpha, an alpha-prime, and two beta subunits. The alpha subunits contain the catalytic activity while the beta subunits undergo autophosphorylation. The protein encoded by this gene represents the alpha subunit. Multiple transcript variants encoding different protein isoforms have been found for this gene. [provided by RefSeq, Apr 2018].

Isoforms & Proteins

21 transcripts · 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
ENST00000217244 P68400 231 150
ENST00000400217 P68400 210 146
ENST00000643660 P68400 210 146
ENST00000645623 P68400 210 146
ENST00000646305 P68400 210 146
ENST00000646561 P68400 210 146
ENST00000646814 P68400 210 146
ENST00000647348 P68400 210 146
ENST00000645234 A0A2R8YD58* 205 140
ENST00000400227 E7EU96* 201 137
ENST00000642689 A0A2R8YFU2* 198 136
ENST00000644710 A0A2R8YFU2* 198 136
ENST00000644885 A0A2R8YF43* 198 136
ENST00000645260 A0A2R8YDP2* 192 131
ENST00000647026 A0A2R8Y5A0* 187 127
ENST00000349736 P68400-2 143 100
ENST00000644003 P68400-2 143 100
ENST00000646477 P68400-2 143 100
ENST00000643600 A0A2R8Y4H0* 131 92
ENST00000642160 A0A2R8Y797* 22 19
ENST00000645187 A0A2R8Y7T1* 22 18

Gene Properties

Type
Protein Coding
Chromosome
20
Cytoband
20p13
Entrez ID
Aliases
CK2A1CKIICka1Cka2OCNDS

Recurrent Mutations

All 150 amino-acid changes on canonical ENST00000217244 · 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 CSNK2A1 · 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 CSNK2A1 – 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
4/40 10%
0/0 0%
Endometrial Carcinoma
1/42 2%
15/612 2%
Bladder Carcinoma
1/58 2%
13/956 1%
Glioblastoma
1/98 1%
0/0 0%
Gastric Carcinoma
0/74 0%
19/1809 1%
Colorectal Carcinoma
8/143 6%
24/3239 1%
Melanoma
0/210 0%
18/1899 1%
Non-Small Cell Lung Carcinoma
7/304 2%
7/1390 0%
Esophageal Carcinoma
0/23 0%
5/769 1%
Other Solid Cancers
6/94 6%
4/1515 0%
Hepatocellular Carcinoma
0/46 0%
12/2210 1%
Germ Cell Tumour
1/25 4%
0/169 0%
Prostate Carcinoma
0/13 0%
10/2105 0%
Squamous Cell Lung Carcinoma
0/57 0%
4/810 0%
Medulloblastoma
0/0 0%
2/450 0%
Non-Cancerous
1/104 1%
3/830 0%
Neuroendocrine Tumour
2/154 1%
1/577 0%
Glioma
0/52 0%
9/2127 0%
Small Cell Lung Carcinoma
0/9 0%
3/752 0%
Other Sarcomas
0/69 0%
3/699 0%
Thyroid Gland Carcinoma
2/45 4%
4/1592 0%
B-Cell Non-Hodgkins Lymphoma
2/88 2%
6/2534 0%
Ewings Sarcoma
0/63 0%
1/262 0%
Head and Neck Carcinoma
0/85 0%
5/1574 0%
Biliary Tract Carcinoma
0/54 0%
3/950 0%
Plasma Cell Myeloma
0/44 0%
1/305 0%
Ovarian Carcinoma
0/109 0%
3/998 0%
Kidney Carcinoma
0/85 0%
5/1862 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
6/2550 0%
Neuroblastoma
0/87 0%
3/1331 0%

Mutation Distribution

Where CSNK2A1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in CSNK2A1 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 3,684 mutations in CSNK2A1

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