Surface AtlasMucinous colon cancer

PROM1

Prominin-1. UniProt annotates extracellular residues 20–108, 179–433, 508–792.

Sequence and protein regions

Explore the PROM1 sequence, select annotated regions, and copy a request to continue in Codex.

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RNA expression in tumor samples

Median PROM1 RNA expression by tumor type, measured in RSEM units. The study selected these samples using microsatellite-stability score thresholds.

Mucinous tumors37 samples1,955.1
Other tumor types438 samples1,528.9
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-ENSG00000007062
UniProt accession
O43490
Sequence state
available
Canonical sequence
Yes
Length in amino acids
865
Sequence SHA-256
cb68350aedcd637e801a54a16f8c205c920dcde6c9f2c595bcd4a0b56251df77
View and select the full canonical sequence
Sequence positions 1–865

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

Signal peptide
1–19
1–19
Membrane-spanning segments
109–129: Helical158–178: Helical434–454: Helical487–507: Helical793–813: Helical
109–129 (Helical); 158–178 (Helical); 434–454 (Helical); 487–507 (Helical); 793–813 (Helical)
Source-annotated domains
20–108: Extracellular130–157: Cytoplasmic179–433: Extracellular455–486: Cytoplasmic508–792: Extracellular814–865: Cytoplasmic
20–108 (Extracellular); 130–157 (Cytoplasmic); 179–433 (Extracellular); 455–486 (Cytoplasmic); 508–792 (Extracellular); 814–865 (Cytoplasmic)
Source-annotated extracellular intervals
20–108179–433508–792
20–108; 179–433; 508–792

UniProt annotates the following extracellular intervals.

One-based positions include both interval endpoints.
StartEndLengthSequence and source
2010889
Sequence and source
Basis
reviewed-uniprot-topological-domain
Evidence class
source-annotated-topology
Sequence SHA-256
d0af8347ce3eb22f495a95018c33885c07361a147777b81652455707c2279a69
179433255
Sequence and source
Basis
reviewed-uniprot-topological-domain
Evidence class
source-annotated-topology
Sequence SHA-256
9023775f2234eb653c2c54858c427dd4d68f6d67420a061d15a35bbf477b60b3
508792285
Sequence and source
Basis
reviewed-uniprot-topological-domain
Evidence class
source-annotated-topology
Sequence SHA-256
54e40f363cbb4e5482630c10311ad1a36192124a7f0dc53cd53d7efadc650394
Sequence and topology sources
Source role
canonical-sequence
Source
alphafold-db-canonical-uniprot-field
Extracted field
uniprotSequence
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
O43490

Download source snapshot (gzip)

subcellular_location
SUBCELLULAR LOCATION: Apical cell membrane {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}. Cell projection, microvillus membrane {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}. Cell projection, cilium, photoreceptor outer segment {ECO:0000250}. Endoplasmic reticulum. Endoplasmic reticulum-Golgi intermediate compartment. Note=Found in extracellular membrane particles in various body fluids such as cerebrospinal fluid, saliva, seminal fluid and urine.
transmembrane
TRANSMEM 109..129; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 158..178; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 434..454; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 487..507; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 793..813; /note="Helical"; /evidence="ECO:0000255"
topological_domain
TOPO_DOM 20..108; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 130..157; /note="Cytoplasmic"; /evidence="ECO:0000255"; TOPO_DOM 179..433; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 455..486; /note="Cytoplasmic"; /evidence="ECO:0000255"; TOPO_DOM 508..792; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 814..865; /note="Cytoplasmic"; /evidence="ECO:0000255"
signal_peptide
SIGNAL 1..19; /evidence="ECO:0000255"
lipidation
Not recorded

Download all canonical target sequences (FASTA)

Protein identity and location

Protein
Prominin-1
Protein location
Transmembrane protein
Canonical sequence
O43490 · 865 amino acids
Extracellular region
UniProt annotates extracellular residues 20–108, 179–433, 508–792.

Expression in normal tissues

RNA specificity
Tissue enriched
RNA distribution
Detected in many
RNA tissue-specific nTPM
retina: 252.8
Protein specificity
Tissue enhanced
Protein distribution
Detected in many
Immunohistochemistry reliability
Enhanced
Immunofluorescence reliability
Approved
Protein tissue-specific intensity
Stomach: 2,084,079.3; salivary gland: 1,494,641.4
Tissue cell-type enrichment
Adrenal gland - Adrenal medulla cells, Lung - Respiratory ciliated cells, Minor Salivary Gland - Minor salivary glandular cells, Skin - Eccrine sweat gland cells, Testis - Early spermatids, Testis - Late spermatids
Subcellular location
Plasma membrane

Sources and downloads

PROM1 · ENSG00000007062 · O43490

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