CD47
Leukocyte surface antigen CD47. UniProt annotates extracellular residues 19–141, 198–207, 257–268.
Published binding interface
Structure 2JJS records CD47 in contact with SIRP-alpha extracellular domain. Select the contact residues to inspect this interface.
Open this viewRNA expression by cell type
Percentage of cells with detected CD47 RNA in the public colon adenocarcinoma cell groups.
Macrophages (group B)43.8%
Fibroblasts38.7%
B cells31.7%
Tumor cells31.1%
Macrophages (group A)31.0%
Endothelial cells29.9%
CD4 T cells29.1%
Dendritic cells27.5%
Natural killer cells26.1%
Regulatory T cells25.6%
CD8 T cells22.3%
Granulocytes17.6%
Adipocytes17.3%
Inspect the molecular structure
Published reference structure
CD47 with SIRP-alpha

- PDB entry
- 2JJS
- Target ID
- T-ENSG00000196776
- SIRP-alpha extracellular domain · chains A, B (ribbon)
- CD47 extracellular domain · chains C, D (ribbon)
Sequence & binding sites
Choose a protein region, search amino-acid letters, or inspect a recorded binding site.
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Open the sequence explorerSequence annotations and source records
Canonical sequence and topology
- Target ID
- T-ENSG00000196776
- UniProt accession
- Q08722
- Sequence state
- available
- Canonical sequence
- Yes
- Length in amino acids
- 323
- Sequence SHA-256
- caa66c8069880514fd225b7c8673a1f4877dbfc3e15d10e69400cb453a226918
View and select the full canonical sequence
Gray shows the full canonical sequence. Colored spans mark the listed intervals.
Signal peptide
1–18
Membrane-spanning segments
142–162 (Helical); 177–197 (Helical); 208–228 (Helical); 236–256 (Helical); 269–289 (Helical)
Source-annotated domains
19–141 (Extracellular); 163–176 (Cytoplasmic); 198–207 (Extracellular); 229–235 (Cytoplasmic); 257–268 (Extracellular); 290–323 (Cytoplasmic)
Source-annotated extracellular intervals
19–141; 198–207; 257–268
UniProt annotates the following extracellular intervals.
| Start | End | Length | Sequence and source |
|---|---|---|---|
| 19 | 141 | 123 | Sequence and source
|
| 198 | 207 | 10 | Sequence and source
|
| 257 | 268 | 12 | Sequence and source
|
Sequence and topology sources
- Source role
- canonical-sequence
- Source
- alphafold-db-canonical-uniprot-field
- Extracted field
- uniprotSequence
- Source row accession
- Not recorded
- Source role
- reviewed-topology
- Source
- UniProt reviewed human surface-field snapshot
- Extracted field
- Not recorded
- Source row accession
- Q08722
Download source snapshot (gzip)
- subcellular_location
- SUBCELLULAR LOCATION: Cell membrane {ECO:0000269|PubMed:39121194, ECO:0000269|PubMed:7691831}; Multi-pass membrane protein {ECO:0000269|PubMed:7691831}.
- transmembrane
- TRANSMEM 142..162; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 177..197; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 208..228; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 236..256; /note="Helical"; /evidence="ECO:0000255"; TRANSMEM 269..289; /note="Helical"; /evidence="ECO:0000255"
- topological_domain
- TOPO_DOM 19..141; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 163..176; /note="Cytoplasmic"; /evidence="ECO:0000255"; TOPO_DOM 198..207; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 229..235; /note="Cytoplasmic"; /evidence="ECO:0000255"; TOPO_DOM 257..268; /note="Extracellular"; /evidence="ECO:0000255"; TOPO_DOM 290..323; /note="Cytoplasmic"; /evidence="ECO:0000255"
- signal_peptide
- SIGNAL 1..18; /evidence="ECO:0000255"
- lipidation
- Not recorded
Protein identity and location
- Protein
- Leukocyte surface antigen CD47
- Protein location
- Transmembrane protein
- Canonical sequence
- Q08722 · 323 amino acids
- Extracellular region
- UniProt annotates extracellular residues 19–141, 198–207, 257–268.
More structures and generated models
Structure snapshots
Expression in normal tissues
- RNA specificity
- Low tissue specificity
- RNA distribution
- Detected in all
- Protein specificity
- Tissue enhanced
- Protein distribution
- Detected in all
- Immunohistochemistry reliability
- Approved
- Immunofluorescence reliability
- Supported
- Protein tissue-specific intensity
- cerebral cortex: 77,252,632.2
- Tissue cell-type enrichment
- Adipose subcutaneous - Adipose progenitor cells
- Subcellular location
- Plasma membrane
Structures
| Name | Stable ID | Action | Format | Status | Claim |
|---|---|---|---|---|---|
| 2JJS | S-RCSB-2JJS | Not recorded | Not recorded | not recorded | verified deposited experimental structure |
Sources and downloads
CD47 · ENSG00000196776 · Q08722