B4GALT6

Beta-1,4-galactosyltransferase 6 Q9UBX8 B4GT6_HUMAN
Protein Coding Chr 18 18q12.1 Swiss-Prot reviewed Entrez 9331
Mutations
448
CL 83 · Tissue 358
Samples
166
CL 39 · Tissue 124
Peptides
150
unique mutant peptides
Transcripts
3
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
Mutations44883358
Samples16639124
Peptides15029126

Function

B4GALT6 · Beta-1,4-galactosyltransferase 6

This gene is one of seven beta-1,4-galactosyltransferase (beta4GalT) genes in human. They encode type II membrane-bound glycoproteins that appear to have exclusive specificity for the donor substrate UDP-galactose; all transfer galactose in a beta1,4 linkage to similar acceptor sugars: GlcNAc, Glc, and Xyl. Each beta4GalT has a distinct function in the biosynthesis of different glycoconjugates and saccharide structures. As type II membrane proteins, they have an N-terminal hydrophobic signal sequence that directs the protein to the Golgi apparatus and which then remains uncleaved to function as a transmembrane anchor. This gene produces multiple protein isoforms - some of which are predicted to lack the N-terminal hydrophobic signal sequence and transmembrane domain. By sequence similarity, the beta4GalTs form four groups: beta4GalT1 and beta4GalT2, beta4GalT3 and beta4GalT4, beta4GalT5 and beta4GalT6, and beta4GalT7. The canonical enzyme encoded by this gene is a lactosylceramide synthase important for glycolipid biosynthesis. [provided by RefSeq, Jan 2020].

Isoforms & Proteins

3 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
ENST00000306851 Q9UBX8 174 130
ENST00000237019 G3XA83* 139 112
ENST00000383131 Q9UBX8-2 135 111

Gene Properties

Type
Protein Coding
Chromosome
18
Cytoband
18q12.1
Entrez ID
Aliases
B4Gal-T6beta4Gal-T6

Recurrent Mutations

All 130 amino-acid changes on canonical ENST00000306851 · 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 B4GALT6 · 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 B4GALT6 – 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
1/42 2%
13/612 2%
Glioblastoma
2/98 2%
0/0 0%
Mesothelioma
2/62 3%
0/165 0%
Burkitts Lymphoma
2/32 6%
0/196 0%
Melanoma
2/210 1%
15/1899 1%
Colorectal Carcinoma
6/143 4%
21/3239 1%
Gastrointestinal Stromal Tumour
0/0 0%
1/133 1%
Hodgkins Lymphoma
0/16 0%
1/122 1%
Non-Small Cell Lung Carcinoma
2/304 1%
10/1390 1%
Squamous Cell Lung Carcinoma
2/57 4%
4/810 0%
Hepatocellular Carcinoma
2/46 4%
9/2210 0%
Non-Cancerous
0/104 0%
4/830 0%
Neuroendocrine Tumour
2/154 1%
1/577 0%
B-Cell Non-Hodgkins Lymphoma
6/88 7%
4/2534 0%
Gastric Carcinoma
1/74 1%
6/1809 0%
Esophageal Squamous Cell Carcinoma
1/51 2%
7/2550 0%
Bladder Carcinoma
0/58 0%
3/956 0%
Other Sarcomas
0/69 0%
2/699 0%
Small Cell Lung Carcinoma
0/9 0%
2/752 0%
Other Solid Cancers
2/94 2%
2/1515 0%
Pancreatic Carcinoma
0/89 0%
4/1611 0%
Cervical Carcinoma
0/35 0%
1/422 0%
Head and Neck Carcinoma
0/85 0%
3/1574 0%
Breast Carcinoma
0/144 0%
6/3264 0%
Glioma
0/52 0%
3/2127 0%
B-Lymphoblastic Leukemia
3/55 5%
0/2640 0%
Biliary Tract Carcinoma
0/54 0%
1/950 0%
Kidney Carcinoma
1/85 1%
1/1862 0%

Mutation Distribution

Where B4GALT6 is mutated · all tissues, split by cell line vs tissue

Mutation counts by tissue
Mutation Distribution

How many mutations in B4GALT6 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 448 mutations in B4GALT6

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