SLC12A3

Solute carrier family 12 member 3 P55017 S12A3_HUMAN
Protein Coding Chr 16 16q13 Swiss-Prot reviewed Entrez 6559
Mutations
2,237
CL 275 · Tissue 1,942
Samples
553
CL 98 · Tissue 450
Peptides
425
unique mutant peptides
Transcripts
4
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
Mutations2,2372751,942
Samples55398450
Peptides42575371

Function

SLC12A3 · Solute carrier family 12 member 3

This gene encodes a renal thiazide-sensitive sodium-chloride cotransporter that is important for electrolyte homeostasis. This cotransporter mediates sodium and chloride reabsorption in the distal convoluted tubule. Mutations in this gene cause Gitelman syndrome, a disease similar to Bartter's syndrome, that is characterized by hypokalemic alkalosis combined with hypomagnesemia, low urinary calcium, and increased renin activity associated with normal blood pressure. This cotransporter is the target for thiazide diuretics that are used for treating high blood pressure. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008].

Isoforms & Proteins

4 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
ENST00000563236 P55017 593 396
ENST00000438926 P55017-2 549 381
ENST00000566786 P55017-3 549 381
ENST00000262502 J3QSS1* 546 380

Gene Properties

Type
Protein Coding
Chromosome
16
Cytoband
16q13
Entrez ID
Aliases
NCCNCCTTSC

Recurrent Mutations

All 396 amino-acid changes on canonical ENST00000563236 · 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 SLC12A3 · 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 SLC12A3 – 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
6/40 15%
0/0 0%
T-Cell Non-Hodgkins Lymphoma
2/26 8%
0/0 0%
Endometrial Carcinoma
7/42 17%
27/612 4%
Gastrointestinal Stromal Tumour
0/0 0%
6/133 5%
Chronic Myelogenous Leukemia
1/25 4%
0/0 0%
Melanoma
4/210 2%
67/1899 4%
Non-Small Cell Lung Carcinoma
22/304 7%
32/1390 2%
Bladder Carcinoma
3/58 5%
19/956 2%
Other Solid Cancers
2/94 2%
31/1515 2%
Gastric Carcinoma
4/74 5%
33/1809 2%
Colorectal Carcinoma
15/143 10%
49/3239 2%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Squamous Cell Lung Carcinoma
2/57 4%
14/810 2%
Small Cell Lung Carcinoma
0/9 0%
11/752 1%
Esophageal Squamous Cell Carcinoma
0/51 0%
35/2550 1%
Burkitts Lymphoma
3/32 9%
0/196 0%
Cervical Carcinoma
0/35 0%
6/422 1%
Meningioma
0/3 0%
3/252 1%
Acute Myeloid Leukemia
1/90 1%
0/0 0%
Neuroendocrine Tumour
4/154 3%
3/577 1%
Mesothelioma
0/62 0%
2/165 1%
Biliary Tract Carcinoma
0/54 0%
8/950 1%
Prostate Carcinoma
1/13 8%
16/2105 1%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Ovarian Carcinoma
2/109 2%
6/998 1%
Other Sarcomas
3/69 4%
2/699 0%
Glioma
3/52 6%
11/2127 1%
Plasma Cell Myeloma
2/44 5%
0/305 0%
Head and Neck Carcinoma
1/85 1%
8/1574 1%
Breast Carcinoma
2/144 1%
16/3264 0%

Mutation Distribution

Where SLC12A3 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in SLC12A3 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 52 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 2,237 mutations in SLC12A3

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