NNT

Nicotinamide nucleotide transhydrogenase Q13423 NNTM_HUMAN
Protein Coding Chr 5 5p12 Swiss-Prot reviewed Entrez 23530
Mutations
1,343
CL 164 · Tissue 1,166
Samples
463
CL 81 · Tissue 378
Peptides
380
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
Mutations1,3431641,166
Samples46381378
Peptides38050325

Function

NNT · Nicotinamide nucleotide transhydrogenase

This gene encodes an integral protein of the inner mitochondrial membrane. The enzyme couples hydride transfer between NAD(H) and NADP(+) to proton translocation across the inner mitochondrial membrane. Under most physiological conditions, the enzyme uses energy from the mitochondrial proton gradient to produce high concentrations of NADPH. The resulting NADPH is used for biosynthesis and in free radical detoxification. [provided by RefSeq, Sep 2016].

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
ENST00000344920 Q13423 497 377
ENST00000264663 Q13423 448 360
ENST00000512996 E9PCX7* 398 323

Gene Properties

Type
Protein Coding
Chromosome
5
Cytoband
5p12
Entrez ID
Aliases
GCCD4

Recurrent Mutations

All 377 amino-acid changes on canonical ENST00000344920 · 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 NNT · 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 NNT – 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
5/42 12%
21/612 3%
Oral Cavity Carcinoma
2/54 4%
0/0 0%
Squamous Cell Lung Carcinoma
5/57 9%
16/810 2%
Melanoma
3/210 1%
46/1899 2%
Non-Small Cell Lung Carcinoma
14/304 5%
24/1390 2%
Hodgkins Lymphoma
2/16 12%
1/122 1%
Other Solid Cancers
0/94 0%
28/1515 2%
Colorectal Carcinoma
6/143 4%
42/3239 1%
Gastric Carcinoma
0/74 0%
24/1809 1%
Esophageal Squamous Cell Carcinoma
5/51 10%
27/2550 1%
Bladder Carcinoma
2/58 3%
10/956 1%
Neuroendocrine Tumour
4/154 3%
4/577 1%
Cervical Carcinoma
0/35 0%
5/422 1%
Thyroid Gland Carcinoma
2/45 4%
15/1592 1%
Glioblastoma
1/98 1%
0/0 0%
Head and Neck Carcinoma
4/85 5%
11/1574 1%
Ovarian Carcinoma
3/109 3%
6/998 1%
Hepatocellular Carcinoma
0/46 0%
18/2210 1%
Other Sarcomas
2/69 3%
4/699 1%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Small Cell Lung Carcinoma
0/9 0%
5/752 1%
Non-Cancerous
1/104 1%
5/830 1%
Kidney Carcinoma
0/85 0%
12/1862 1%
Biliary Tract Carcinoma
0/54 0%
6/950 1%
Glioma
0/52 0%
12/2127 1%
Germ Cell Tumour
0/25 0%
1/169 1%
Rhabdomyosarcoma
0/33 0%
1/171 1%
Medulloblastoma
0/0 0%
2/450 0%
Breast Carcinoma
2/144 1%
13/3264 0%

Mutation Distribution

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

Mutation counts by tissue
Mutation Distribution

How many mutations in NNT 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 1,343 mutations in NNT

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