SLC9A8

Solute carrier family 9 member A8 Q9Y2E8 SL9A8_HUMAN
Protein Coding Chr 20 20q13.13 Swiss-Prot reviewed Entrez 23315
Mutations
587
CL 79 · Tissue 494
Samples
305
CL 53 · Tissue 247
Peptides
211
unique mutant peptides
Transcripts
2
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
Mutations58779494
Samples30553247
Peptides21133175

Function

SLC9A8 · Solute carrier family 9 member A8

Sodium-hydrogen exchangers (NHEs), such as SLC9A8, are integral transmembrane proteins that exchange extracellular Na+ for intracellular H+. NHEs have multiple functions, including intracellular pH homeostasis, cell volume regulation, and electroneutral NaCl absorption in epithelia (Xu et al., 2008 [PubMed 18209477]).[supplied by OMIM, Apr 2009].

Isoforms & Proteins

2 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
ENST00000361573 Q9Y2E8 302 202
ENST00000417961 Q9Y2E8-2 285 195

Gene Properties

Type
Protein Coding
Chromosome
20
Cytoband
20q13.13
Entrez ID
Aliases
NHE-8NHE8

Recurrent Mutations

All 202 amino-acid changes on canonical ENST00000361573 · 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 SLC9A8 · 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 SLC9A8 – 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
2/54 4%
0/0 0%
Endometrial Carcinoma
2/42 5%
16/612 3%
Other Solid Cancers
0/94 0%
36/1515 2%
Glioblastoma
2/98 2%
0/0 0%
Melanoma
11/210 5%
27/1899 1%
Germ Cell Tumour
0/25 0%
3/169 2%
Hodgkins Lymphoma
1/16 6%
1/122 1%
Colorectal Carcinoma
4/143 3%
38/3239 1%
Gastric Carcinoma
2/74 3%
20/1809 1%
Squamous Cell Lung Carcinoma
1/57 2%
7/810 1%
Adrenocortical Carcinoma
1/3 33%
0/112 0%
Other Sarcomas
1/69 1%
5/699 1%
Bladder Carcinoma
0/58 0%
7/956 1%
Medulloblastoma
0/0 0%
3/450 1%
Hepatocellular Carcinoma
1/46 2%
14/2210 1%
Non-Small Cell Lung Carcinoma
5/304 2%
6/1390 0%
Non-Cancerous
1/104 1%
5/830 1%
Ovarian Carcinoma
3/109 3%
4/998 0%
Breast Carcinoma
1/144 1%
17/3264 1%
Burkitts Lymphoma
1/32 3%
0/196 0%
Biliary Tract Carcinoma
0/54 0%
4/950 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
10/2550 0%
Neuroblastoma
2/87 2%
3/1331 0%
B-Cell Non-Hodgkins Lymphoma
3/88 3%
4/2534 0%
Head and Neck Carcinoma
0/85 0%
4/1574 0%
B-Lymphoblastic Leukemia
4/55 7%
2/2640 0%
Cervical Carcinoma
0/35 0%
1/422 0%
Glioma
0/52 0%
4/2127 0%
Esophageal Carcinoma
0/23 0%
1/769 0%

Mutation Distribution

Where SLC9A8 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in SLC9A8 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 587 mutations in SLC9A8

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