POMP

Proteasome maturation protein Q9Y244 POMP_HUMAN
Protein Coding Chr 13 13q12.3 Swiss-Prot reviewed Entrez 51371
Mutations
90
CL 21 · Tissue 69
Samples
62
CL 18 · Tissue 44
Peptides
46
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
Mutations902169
Samples621844
Peptides461037

Function

POMP · Proteasome maturation protein

The protein encoded by this gene is a molecular chaperone that binds 20S preproteasome components and is essential for 20S proteasome formation. The 20S proteasome is the proteolytically active component of the 26S proteasome complex. The encoded protein is degraded before the maturation of the 20S proteasome is complete. A variant in the 5' UTR of this gene has been associated with KLICK syndrome, a rare skin disorder.[provided by RefSeq, Aug 2010].

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
ENST00000380842 Q9Y244 62 45
ENST00000460403 A0A1W2PS02* 28 22

Gene Properties

Type
Protein Coding
Chromosome
13
Cytoband
13q12.3
Entrez ID
Aliases
C13orf12HSPC014PNAS-110PRAAS2UMP1

Recurrent Mutations

All 45 amino-acid changes on canonical ENST00000380842 · 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 POMP · 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 POMP – 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
Burkitts Lymphoma
3/32 9%
0/196 0%
Endometrial Carcinoma
1/42 2%
7/612 1%
Non-Small Cell Lung Carcinoma
3/304 1%
4/1390 0%
Colorectal Carcinoma
5/143 4%
9/3239 0%
Other Solid Cancers
0/94 0%
6/1515 0%
Plasma Cell Myeloma
0/44 0%
1/305 0%
Cervical Carcinoma
0/35 0%
1/422 0%
Medulloblastoma
0/0 0%
1/450 0%
Breast Carcinoma
2/144 1%
4/3264 0%
Esophageal Squamous Cell Carcinoma
2/51 4%
1/2550 0%
Kidney Carcinoma
2/85 2%
0/1862 0%
Glioma
0/52 0%
2/2127 0%
Melanoma
0/210 0%
2/1899 0%
Ovarian Carcinoma
0/109 0%
1/998 0%
Head and Neck Carcinoma
0/85 0%
1/1574 0%
Pancreatic Carcinoma
0/89 0%
1/1611 0%
Gastric Carcinoma
0/74 0%
1/1809 0%
Prostate Carcinoma
0/13 0%
1/2105 0%
Other Blood Cancers
0/61 0%
1/2725 0%

Mutation Distribution

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

Mutation counts by tissue
Mutation Distribution

How many mutations in POMP 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 90 mutations in POMP

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