CABP1

Calcium binding protein 1 Q9NZU7 CABP1_HUMAN
Protein Coding Chr 12 12q24.31 Swiss-Prot reviewed Entrez 9478
Mutations
495
CL 61 · Tissue 428
Samples
195
CL 36 · Tissue 156
Peptides
160
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
Mutations49561428
Samples19536156
Peptides16033127

Function

CABP1 · Calcium binding protein 1

Calcium binding proteins are an important component of calcium mediated cellular signal transduction. This gene encodes a protein that belongs to a subfamily of calcium binding proteins which share similarity to calmodulin. The protein encoded by this gene regulates the gating of voltage-gated calcium ion channels. This protein inhibits calcium-dependent inactivation and supports calcium-dependent facilitation of ion channels containing voltage-dependent L-type calcium channel subunit alpha-1C. This protein also regulates calcium-dependent activity of inositol 1,4,5-triphosphate receptors, P/Q-type voltage-gated calcium channels, and transient receptor potential channel TRPC5. This gene is predominantly expressed in retina and brain. Alternative splicing results in multiple transcript variants encoding disinct isoforms. [provided by RefSeq, Jul 2012].

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
ENST00000453000 C9J8G2* 157 108
ENST00000288616 Q9NZU7-1 125 96
ENST00000316803 Q9NZU7 124 97
ENST00000351200 Q9NZU7-2 89 68

Gene Properties

Type
Protein Coding
Chromosome
12
Cytoband
12q24.31
Entrez ID
Aliases
CALBRAINHCALB_BR

Recurrent Mutations

All 96 amino-acid changes on canonical ENST00000288616 · 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 CABP1 · 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 CABP1 – 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%
Rhabdomyosarcoma
0/33 0%
7/171 4%
Oral Cavity Carcinoma
1/54 2%
0/0 0%
Endometrial Carcinoma
4/42 10%
7/612 1%
Melanoma
6/210 3%
20/1899 1%
Acute Myeloid Leukemia
1/90 1%
0/0 0%
Cervical Carcinoma
1/35 3%
4/422 1%
Glioblastoma
1/98 1%
0/0 0%
Non-Small Cell Lung Carcinoma
4/304 1%
10/1390 1%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Colorectal Carcinoma
3/143 2%
22/3239 1%
Thyroid Gland Carcinoma
0/45 0%
12/1592 1%
Gastric Carcinoma
0/74 0%
13/1809 1%
Squamous Cell Lung Carcinoma
0/57 0%
5/810 1%
Plasma Cell Myeloma
0/44 0%
2/305 1%
Small Cell Lung Carcinoma
0/9 0%
4/752 1%
Biliary Tract Carcinoma
0/54 0%
5/950 1%
Mesothelioma
1/62 2%
0/165 0%
Other Solid Cancers
1/94 1%
6/1515 0%
Burkitts Lymphoma
1/32 3%
0/196 0%
Bladder Carcinoma
1/58 2%
3/956 0%
Other Sarcomas
2/69 3%
1/699 0%
Head and Neck Carcinoma
0/85 0%
6/1574 0%
Esophageal Squamous Cell Carcinoma
0/51 0%
8/2550 0%
Esophageal Carcinoma
0/23 0%
2/769 0%
Prostate Carcinoma
1/13 8%
4/2105 0%
Glioma
0/52 0%
5/2127 0%
Hepatocellular Carcinoma
0/46 0%
5/2210 0%
Ovarian Carcinoma
0/109 0%
2/998 0%
Breast Carcinoma
2/144 1%
2/3264 0%

Mutation Distribution

Where CABP1 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in CABP1 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 495 mutations in CABP1

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