ATP2A1

ATPase sarcoplasmic/endoplasmic reticulum Ca2+ transporting 1 O14983 AT2A1_HUMAN
Protein Coding Chr 16 16p11.2 Swiss-Prot reviewed Entrez 487
Mutations
1,414
CL 182 · Tissue 1,205
Samples
486
CL 89 · Tissue 386
Peptides
382
unique mutant peptides
Transcripts
3
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
Mutations1,4141821,205
Samples48689386
Peptides38261330

Function

ATP2A1 · ATPase sarcoplasmic/endoplasmic reticulum Ca2+ transporting 1

This gene encodes one of the SERCA Ca(2+)-ATPases, which are intracellular pumps located in the sarcoplasmic or endoplasmic reticula of muscle cells. This enzyme catalyzes the hydrolysis of ATP coupled with the translocation of calcium from the cytosol to the sarcoplasmic reticulum lumen, and is involved in muscular excitation and contraction. Mutations in this gene cause some autosomal recessive forms of Brody disease, characterized by increasing impairment of muscular relaxation during exercise. Alternative splicing results in three transcript variants encoding different isoforms. [provided by RefSeq, Oct 2013].

Isoforms & Proteins

3 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
ENST00000395503 O14983-2 522 368
ENST00000357084 O14983 474 354
ENST00000536376 O14983-3 418 308

Gene Properties

Type
Protein Coding
Chromosome
16
Cytoband
16p11.2
Entrez ID
Aliases
ATP2ASERCA1

Recurrent Mutations

All 368 amino-acid changes on canonical ENST00000395503 · 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 ATP2A1 · 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 ATP2A1 – 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
10/40 25%
0/0 0%
Chronic Myelogenous Leukemia
4/25 16%
0/0 0%
Endometrial Carcinoma
9/42 21%
31/612 5%
Melanoma
6/210 3%
43/1899 2%
Cervical Carcinoma
3/35 9%
7/422 2%
Gastric Carcinoma
5/74 7%
36/1809 2%
Colorectal Carcinoma
8/143 6%
61/3239 2%
Glioblastoma
2/98 2%
0/0 0%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Squamous Cell Lung Carcinoma
3/57 5%
10/810 1%
Neuroendocrine Tumour
5/154 3%
5/577 1%
Burkitts Lymphoma
3/32 9%
0/196 0%
Non-Small Cell Lung Carcinoma
10/304 3%
12/1390 1%
Bladder Carcinoma
0/58 0%
12/956 1%
Ovarian Carcinoma
2/109 2%
11/998 1%
Esophageal Carcinoma
0/23 0%
9/769 1%
Chondrosarcoma
0/14 0%
1/75 1%
Other Solid Cancers
2/94 2%
15/1515 1%
Head and Neck Carcinoma
3/85 4%
13/1574 1%
Osteosarcoma
1/45 2%
1/166 1%
Plasma Cell Myeloma
2/44 5%
1/305 0%
Meningioma
1/3 33%
1/252 0%
Esophageal Squamous Cell Carcinoma
1/51 2%
19/2550 1%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Biliary Tract Carcinoma
0/54 0%
7/950 1%
Glioma
0/52 0%
14/2127 1%
Non-Cancerous
0/104 0%
6/830 1%
Kidney Carcinoma
1/85 1%
11/1862 1%
Ewings Sarcoma
0/63 0%
2/262 1%
Germ Cell Tumour
0/25 0%
1/169 1%

Mutation Distribution

Where ATP2A1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in ATP2A1 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 1,414 mutations in ATP2A1

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