Surface AtlasMucinous colon cancer

MUC4

Mucin-4. The canonical sequence contains 5,412 amino acids.

Sequence and protein regions

Explore the MUC4 sequence, select annotated regions, and copy a request to continue in Codex.

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RNA expression in tumor samples

Median MUC4 RNA expression by tumor type, measured in RSEM units. The study selected these samples using microsatellite-stability score thresholds.

Mucinous tumors37 samples2,428.6
Other tumor types438 samples626.6
Compare the sample groups · cBioPortal measurements (JSON)

Sequence & binding sites

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Sequence annotations and source records

Canonical sequence and topology

Target ID
T-ENSG00000145113
UniProt accession
Q99102
Sequence state
available
Canonical sequence
Yes
Length in amino acids
5412
Sequence SHA-256
6ccb51ad9fc979b3a2469ec71f67acbefdafa86b0d28a70c3bd5b3a816953c32
View and select the full canonical sequence
Sequence positions 1–5412

Gray shows the full canonical sequence. Colored spans mark the listed intervals.

Signal peptide
1–28
1–28
Membrane-spanning segments
5369–5389: Helical
5369–5389 (Helical)

This collection has no explicit extracellular interval for this protein.

Sequence and topology sources
Source role
canonical-sequence
Source
uniprotkb-canonical-record
Extracted field
sequence.value
Source row accession
Not recorded

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Open sequence source
Source role
reviewed-topology
Source
UniProt reviewed human surface-field snapshot
Extracted field
Not recorded
Source row accession
Q99102

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subcellular_location
SUBCELLULAR LOCATION: [Mucin-4 beta chain]: Cell membrane {ECO:0000303|PubMed:10880978}; Single-pass membrane protein {ECO:0000303|PubMed:10880978}. Note=Isoforms lacking the Cys-rich region, EGF-like domains and transmembrane region are secreted. Secretion occurs by splicing or proteolytic processing. {ECO:0000269|PubMed:12102554, ECO:0000303|PubMed:10880978}.; SUBCELLULAR LOCATION: [Mucin-4 alpha chain]: Cell membrane {ECO:0000303|PubMed:10880978}. Secreted {ECO:0000269|PubMed:12102554}. Note=Forms a complex with Mucin-4 beta chain at the cell membrane. {ECO:0000305|PubMed:10880978}.; SUBCELLULAR LOCATION: [Isoform 3]: Cell membrane {ECO:0000303|PubMed:10880978}; Single-pass membrane protein {ECO:0000303|PubMed:10880978}.; SUBCELLULAR LOCATION: [Isoform 11]: Secreted {ECO:0000303|PubMed:10880978}.; SUBCELLULAR LOCATION: [Isoform 15]: Secreted {ECO:0000303|PubMed:10880978}.; SUBCELLULAR LOCATION: [Isoform 17]: Cell membrane {ECO:0000303|PubMed:10880978}; Single-pass membrane protein {ECO:0000303|PubMed:10880978}.
transmembrane
TRANSMEM 5369..5389; /note="Helical"; /evidence="ECO:0000255"
topological_domain
Not recorded
signal_peptide
SIGNAL 1..28; /evidence="ECO:0000255"
lipidation
Not recorded

Download all canonical target sequences (FASTA)

Protein identity and location

Protein
Mucin-4
Protein location
Transmembrane protein
Canonical sequence
Q99102 · 5,412 amino acids

Expression in normal tissues

RNA specificity
Tissue enhanced
RNA distribution
Detected in some
RNA tissue-specific nTPM
esophagus: 18.5; intestine: 31.2; prostate: 14.6; vagina: 14.5
Protein specificity
Tissue enriched
Protein distribution
Detected in some
Immunohistochemistry reliability
Approved
Protein tissue-specific intensity
intestine: 354,648.7
Tissue cell-type enrichment
Colon - Colon enterocytes, Lung - Respiratory ciliated cells, Minor Salivary Gland - Minor salivary glandular cells, Prostate - Urothelial cells, Testis - Early spermatids, Testis - Late spermatids

Sources and downloads

MUC4 · ENSG00000145113 · Q99102

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