TUBB3

Tubulin beta 3 class III Q13509 TBB3_HUMAN
Protein Coding Chr 16 16q24.3 Swiss-Prot reviewed Entrez 10381
Mutations
655
CL 59 · Tissue 584
Samples
279
CL 36 · Tissue 237
Peptides
214
unique mutant peptides
Transcripts
5
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
Mutations65559584
Samples27936237
Peptides21430192

Function

TUBB3 · Tubulin beta 3 class III

This gene encodes a class III member of the beta tubulin protein family. Beta tubulins are one of two core protein families (alpha and beta tubulins) that heterodimerize and assemble to form microtubules. This protein is primarily expressed in neurons and may be involved in neurogenesis and axon guidance and maintenance. Mutations in this gene are the cause of congenital fibrosis of the extraocular muscles type 3. Alternate splicing results in multiple transcript variants. A pseudogene of this gene is found on chromosome 6. [provided by RefSeq, Oct 2010].

Isoforms & Proteins

5 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
ENST00000315491 Q13509 296 198
ENST00000554444 Q13509-2 227 159
ENST00000553967 G3V2N6* 46 34
ENST00000554336 G3V2R8* 43 31
ENST00000555576 G3V5W4* 43 31

Gene Properties

Type
Protein Coding
Chromosome
16
Cytoband
16q24.3
Entrez ID
Aliases
CDCBMCDCBM1CFEOM3CFEOM3AFEOM3TUBB4

Recurrent Mutations

All 198 amino-acid changes on canonical ENST00000315491 · 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 TUBB3 · 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 TUBB3 – 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%
Chronic Myelogenous Leukemia
1/25 4%
0/0 0%
T-Cell Non-Hodgkins Lymphoma
1/26 4%
0/0 0%
Endometrial Carcinoma
5/42 12%
15/612 2%
Colorectal Carcinoma
4/143 3%
57/3239 2%
Other Solid Cancers
0/94 0%
24/1515 2%
Squamous Cell Lung Carcinoma
0/57 0%
12/810 1%
Melanoma
5/210 2%
20/1899 1%
Gastric Carcinoma
0/74 0%
21/1809 1%
Bladder Carcinoma
0/58 0%
11/956 1%
Glioblastoma
1/98 1%
0/0 0%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Cervical Carcinoma
0/35 0%
3/422 1%
Biliary Tract Carcinoma
0/54 0%
5/950 1%
Osteosarcoma
1/45 2%
0/166 0%
Mesothelioma
1/62 2%
0/165 0%
Burkitts Lymphoma
1/32 3%
0/196 0%
Thyroid Gland Carcinoma
0/45 0%
7/1592 0%
Non-Small Cell Lung Carcinoma
3/304 1%
4/1390 0%
Esophageal Carcinoma
0/23 0%
3/769 0%
Glioma
2/52 4%
6/2127 0%
Ovarian Carcinoma
0/109 0%
4/998 0%
Hepatocellular Carcinoma
0/46 0%
8/2210 0%
Non-Cancerous
0/104 0%
3/830 0%
Pancreatic Carcinoma
0/89 0%
5/1611 0%
Prostate Carcinoma
0/13 0%
6/2105 0%
Neuroendocrine Tumour
0/154 0%
2/577 0%
Esophageal Squamous Cell Carcinoma
2/51 4%
5/2550 0%
Medulloblastoma
0/0 0%
1/450 0%
Other Blood Cancers
1/61 2%
4/2725 0%

Mutation Distribution

Where TUBB3 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in TUBB3 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 655 mutations in TUBB3

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