CACNB3

Calcium voltage-gated channel auxiliary subunit beta 3 P54284 CACB3_HUMAN
Protein Coding Chr 12 12q13.12 Swiss-Prot reviewed Entrez 784
Mutations
964
CL 81 · Tissue 866
Samples
196
CL 27 · Tissue 165
Peptides
196
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
Mutations96481866
Samples19627165
Peptides19624169

Function

CACNB3 · Calcium voltage-gated channel auxiliary subunit beta 3

This gene encodes a regulatory beta subunit of the voltage-dependent calcium channel. Beta subunits are composed of five domains, which contribute to the regulation of surface expression and gating of calcium channels and may also play a role in the regulation of transcription factors and calcium transport. [provided by RefSeq, Oct 2011].

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
ENST00000301050 P54284 209 161
ENST00000536187 P54284-4 196 151
ENST00000540990 P54284-3 193 148
ENST00000547392 F8VNV8* 187 143
ENST00000547230 P54284-5 179 137

Gene Properties

Type
Protein Coding
Chromosome
12
Cytoband
12q13.12
Entrez ID
Aliases
CAB3CACNLB3

Recurrent Mutations

All 161 amino-acid changes on canonical ENST00000301050 · 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 CACNB3 · 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 CACNB3 – 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-Cell Non-Hodgkins Lymphoma
1/26 4%
0/0 0%
T-Lymphoblastic Leukemia
1/40 2%
0/0 0%
Endometrial Carcinoma
3/42 7%
12/612 2%
Other Solid Cancers
1/94 1%
21/1515 1%
Melanoma
2/210 1%
22/1899 1%
Acute Myeloid Leukemia
1/90 1%
0/0 0%
Osteosarcoma
1/45 2%
1/166 1%
Colorectal Carcinoma
3/143 2%
29/3239 1%
Bladder Carcinoma
2/58 3%
7/956 1%
Gastric Carcinoma
1/74 1%
14/1809 1%
Cervical Carcinoma
0/35 0%
3/422 1%
Neuroendocrine Tumour
2/154 1%
2/577 0%
Germ Cell Tumour
0/25 0%
1/169 1%
Mesothelioma
1/62 2%
0/165 0%
Neuroblastoma
1/87 1%
5/1331 0%
Meningioma
0/3 0%
1/252 0%
Squamous Cell Lung Carcinoma
0/57 0%
3/810 0%
Non-Cancerous
0/104 0%
3/830 0%
Plasma Cell Myeloma
1/44 2%
0/305 0%
Ovarian Carcinoma
1/109 1%
2/998 0%
Other Sarcomas
0/69 0%
2/699 0%
Thyroid Gland Carcinoma
0/45 0%
4/1592 0%
Head and Neck Carcinoma
1/85 1%
3/1574 0%
Prostate Carcinoma
0/13 0%
4/2105 0%
Hepatocellular Carcinoma
0/46 0%
4/2210 0%
Glioma
0/52 0%
4/2127 0%
Breast Carcinoma
0/144 0%
6/3264 0%
B-Cell Non-Hodgkins Lymphoma
0/88 0%
4/2534 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
4/2550 0%
Small Cell Lung Carcinoma
0/9 0%
1/752 0%

Mutation Distribution

Where CACNB3 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in CACNB3 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 964 mutations in CACNB3

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