GPM6B

Glycoprotein M6B Q13491 GPM6B_HUMAN
Protein Coding Chr X Xp22.2 Swiss-Prot reviewed Entrez 2824
Mutations
620
CL 13 · Tissue 604
Samples
127
CL 7 · Tissue 117
Peptides
127
unique mutant peptides
Transcripts
6
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
Mutations62013604
Samples1277117
Peptides1279117

Function

GPM6B · Glycoprotein M6B

This gene encodes a membrane glycoprotein that belongs to the proteolipid protein family. Proteolipid protein family members are expressed in most brain regions and are thought to be involved in cellular housekeeping functions such as membrane trafficking and cell-to-cell communication. This protein may also be involved in osteoblast differentiation. Alternate splicing results in multiple transcript variants. Pseudogenes of this gene are located on chromosomes Y and 22. [provided by RefSeq, Jan 2016].

Isoforms & Proteins

6 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
ENST00000316715 Q13491-4 127 100
ENST00000355135 Q13491-3 117 91
ENST00000493677 B7Z613* 107 83
ENST00000356942 Q13491 104 81
ENST00000454189 Q13491-2 96 73
ENST00000398361 B7Z248* 69 51

Gene Properties

Type
Protein Coding
Chromosome
X
Cytoband
Xp22.2
Entrez ID
Aliases
M6B

Recurrent Mutations

All 100 amino-acid changes on canonical ENST00000316715 · 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 GPM6B · 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 GPM6B – 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
Endometrial Carcinoma
1/42 2%
13/612 2%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Melanoma
2/210 1%
11/1899 1%
Non-Small Cell Lung Carcinoma
0/304 0%
10/1390 1%
Colorectal Carcinoma
0/143 0%
19/3239 1%
Germ Cell Tumour
0/25 0%
1/169 1%
Rhabdomyosarcoma
1/33 3%
0/171 0%
Bladder Carcinoma
0/58 0%
5/956 1%
Burkitts Lymphoma
1/32 3%
0/196 0%
Ovarian Carcinoma
1/109 1%
3/998 0%
Gastric Carcinoma
0/74 0%
6/1809 0%
Ewings Sarcoma
0/63 0%
1/262 0%
Pancreatic Carcinoma
0/89 0%
5/1611 0%
Neuroendocrine Tumour
0/154 0%
2/577 0%
Hepatocellular Carcinoma
0/46 0%
6/2210 0%
Small Cell Lung Carcinoma
0/9 0%
2/752 0%
Thyroid Gland Carcinoma
1/45 2%
3/1592 0%
Medulloblastoma
0/0 0%
1/450 0%
Cervical Carcinoma
0/35 0%
1/422 0%
Neuroblastoma
0/87 0%
3/1331 0%
Biliary Tract Carcinoma
0/54 0%
2/950 0%
Other Solid Cancers
0/94 0%
3/1515 0%
Head and Neck Carcinoma
0/85 0%
3/1574 0%
Breast Carcinoma
0/144 0%
6/3264 0%
Prostate Carcinoma
0/13 0%
3/2105 0%
Squamous Cell Lung Carcinoma
0/57 0%
1/810 0%
Kidney Carcinoma
0/85 0%
2/1862 0%
B-Cell Non-Hodgkins Lymphoma
0/88 0%
2/2534 0%
Other Blood Cancers
0/61 0%
2/2725 0%
Glioma
0/52 0%
1/2127 0%

Mutation Distribution

Where GPM6B is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in GPM6B 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 620 mutations in GPM6B

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