Protein detail

CD63

CD63 antigen (Granulophysin) (Lysosomal-associated membrane protein 3) (LAMP-3) (Lysosome integral membrane protein 1) (Limp1) (Melanoma-associated antigen ME491) (OMA81H) (Ocular melanoma-associated antigen) (Tetraspanin-30) (Tspan-30) (CD antigen CD63)

Entry name CD63	UniProt ID P08962	EVMP confidence score 0.63
Supporting publications (n) 765	Transmembrane count 4	Protein classification CD markersPlasma proteinsPredicted membrane proteinsTransporters

EVMP confidence score

Annotation confidence score; open for threshold definitions.

Extremely high >= 0.85High >= 0.70Medium >= 0.55Low >= 0.40

Basic Information13

Protein Names

Protein Class (4)

CD markersPlasma proteinsPredicted membrane proteinsTransporters

Protein Function (2)

CD markers
Transporters:Accessory Factors Involved in Transport

Transmembrane

12..32; Helical; 52..72; Helical; 82..102; Helical; 204..224; Helical

Transmembrane Count

Ensembl

ENSG00000135404

Entrez Gene Symbol

CD63

Gene Synonym (3)

ME491MLA1TSPAN30

Gene Description

CD63 molecule

Chromosome

Position

55725323-55729707

Supporting publications (n)

765

EVMP confidence score

0.63

Fluorescence & Localization4

Tissue Specificblood vesselCell SpecificNeutrophil progenitorsSingle-Nuclei Brain Specificendothelial cell

Function & Pathway7

Protein Function (2)

CD markers
Transporters:Accessory Factors Involved in Transport

Cellular Component (15)

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Molecular Function

GO:0005515 protein binding

Biological Process (3)

KEGG (3)

Reactome (5)

Mediation Categories (3)

Adhesion and uptake mediationFusion and delivery mediationImmune mediation

Relations & Evidence49

Ligand-Receptor Signaling (47)

47 records.

Category	Parent	Database	Transmitter	Receiver	Secreted	Plasma Membrane (Transmembrane)	Plasma Membrane (Peripheral)
cell_adhesion	receptor	ICELLNET	No	Yes	Yes	Yes	No
receptor	receptor	OmniPath	No	Yes	Yes	Yes	No
extracellular	extracellular	HPMR	No	No	Yes	Yes	No
extracellular	extracellular	OmniPath	No	No	Yes	Yes	No
intracellular	intracellular	LOCATE	No	No	Yes	Yes	No
intracellular	intracellular	ComPPI	No	No	Yes	Yes	No
intracellular	intracellular	GO_Intercell	No	No	Yes	Yes	No
intracellular	intracellular	UniProt_location	No	No	Yes	Yes	No
intracellular	intracellular	OmniPath	No	No	Yes	Yes	No
cell_adhesion	cell_adhesion	Cellinker	Yes	Yes	Yes	Yes	No

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Protein Complex Composition (1)

1 record.

Component Name	Component Gene Symbols	Component UniProt ID	Stoichiometry	Database	Database IDs	References
HT_DM_Cluster25	ARL6IP5 ATP5F1A ATP5F1D ATP5ME ATP5MF ATP5MG ATP5MGL ATP5PB ATP5PO CD63 ELOVL1 ELOVL7 PRAF2 RTN1 RTN2 RTN3 RTN4 TSPAN6	A1L3X0 O43657 O60831 O75298 O75915 O75964 O95197 P08962 P24539 P25705 P30049 P48047 P56134 P56385 Q16799 Q7Z4Y8 Q9BW60 Q9NQC3	1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1	Compleat	Compleat:HC3353	22036573

Isolation & Detection Technology (1)

1 record.

EV Isolation Method	Detection Method	Number of References	References
	Mass spectrometry [LTQ-FT Ultra]Mass spectrometry	0

Sequence, Structure & Domains8

Sequences

Length

238

Mass

25,637

Sequence

MAVEGGMKCVKFLLYVLLLAFCACAVGLIAVGVGAQLVLSQTIIQGATPGSLLPVVIIAVGVFLFLVAFVGCCGACKENYCLMITFAIFLSLIMLVEVAAAIAGYVFRDKVMSEFNNNFRQQMENYPKNNHTASILDRMQADFKCCGAANYTDWEKIPSMSKNRVPDSCCINVTVGCGINFNEKAIHKEGCVEKIGGWLRKNVLVVAAAALGIAFVEVLGIVFACCLVKSIRSGYEVM

Alternative Products

Event=Alternative splicing; Named isoforms=3; Name=1; IsoId=P08962-1; Sequence=Displayed; Name=2; IsoId=P08962-2; Sequence=VSP_045300; Name=3; IsoId=P08962-3; Sequence=VSP_046996

Alternative Sequence

1..82; Missing (in isoform 3); 23..45; Missing (in isoform 2)

Domain & Motif Annotations

Motif

234..238; Lysosomal targeting motif

Protein Families

Tetraspanin (TM4SF) family

Sequence Similarities

Belongs to the tetraspanin (TM4SF) family.

Clinical Relevance5

Drugs (2)

NONSTEROIDAL ANTIINFLAMMATORY DRUG COMPOUND 6B [PMID: 22749870]

Antibody (3)

HPA010088 CAB026356 HPA073506

Interaction Protein (2)

ENSG00000102265ENSG00000150093

Interaction Count

Interaction Dataset

intact_biogrid

Supporting Publications741

PMID	Title	Abstract
27779585	Exosomes, not protein or lipids, in mesenteric lymph activate inflammation: Unlocking the mystery of post-shock multiple organ failure.	Exosomes were identified in ML by size and expression of the exosome markers CD63 and HSP70. Macrophage TNF-α production was also increased after exposure to exosomes harvested in the resuscitation phase. The biological activity of exosomes and supernatant of ML were characterized using a monocyte NF-κB reporter assay and by measuring macrophage intracellular TNF-α production.
27856179	Exosomal proteins as prognostic biomarkers in non-small cell lung cancer.	Exosomes from plasma of 276 NSCLC patients were phenotyped using the Extracellular Vesicle Array; 49 antibodies captured the proteins on the exosomes, and a cocktail of biotin-conjugated antibodies binding the general exosome markers CD9, CD81 and CD63 was used to visualise the captured exosomes.
27882487	Delivery of Small Interfering RNA to Inhibit Vascular Endothelial Growth Factor in Zebrafish Using Natural Brain Endothelia Cell-Secreted Exosome Nanovesicles for the Treatment of Brain Cancer.	In a xenotransplanted brain tumor model, exosome-delivered VEGF siRNAs decreased the fluorescence intensity of labeled cancer cells in the brain of zebrafish. Inhibition at the expression of VEGF RNA and protein levels was observed in glioblastoma-astrocytoma U-87 MG cells treated with exosome-delivered siRNAs. Natural exosomes were isolated from brain endothelial bEND.3 cell culture media and vascular endothelial growth factor (VEGF) siRNA was loaded in exosomes with the assistance of a transfection reagent. While fluorescence-activated cell flow cytometry and immunocytochemistry staining studies indicated that wild-type exosomes significantly increased the uptake of fluorescence-labeled siRNA in the autologous brain endothelial cells, decreased fluorescence intensity was observed in the cells treated with the tetraspanin CD63 antibody-blocked exosome-delivered formulation (p < 0.05).
27903962	Targeted proteomics in urinary extracellular vesicles identifies biomarkers for diagnosis and prognosis of prostate cancer.	Here, we describe a set of protein-combination panels in urinary extracellular vesicles (EVs), defined by targeted proteomics and immunoblotting techniques that improve early non-invasive detection and stratification of PCa patients.We report a two-protein combination in urinary EVs that classifies benign and PCa patients (ADSV-TGM4), and a combination of five proteins able to significantly distinguish between high- and low-grade PCa patients (CD63-GLPK5-SPHM-PSA-PAPP).
27974566	CD63 Regulates Epstein-Barr Virus LMP1 Exosomal Packaging, Enhancement of Vesicle Production, and Noncanonical NF-κB Signaling.	Immunoisolation of CD63-positive exosomes exhibited accumulation of LMP1 in this vesicle population. These results suggest that CD63 is a critical player in LMP1 exosomal trafficking and LMP1-mediated enhancement of exosome production and may play further roles in limiting downstream LMP1 signaling.
27977725	Characterization and Functional Analysis of Extracellular Vesicles and Muscle-Abundant miRNAs (miR-1, miR-133a, and miR-206) in C2C12 Myocytes and mdx Mice.	Here, we show that the CD63 antigen, which is located on the surface of extracellular vesicles (EVs), is associated with increased levels of muscle-abundant miRNAs, namely myomiRs miR-1, miR-133a, and miR-206, in the sera of DMD patients and mdx mice.
28025988	Charge-based precipitation of extracellular vesicles.	By electron microscopy the size of EVs was similar after both methods were used, and the expression of CD63, CD9 and CD81 exosomal markers in the P/PEG‑precipitated EVs indicated an enrichment in exosomes.
28076321	Secretion modification region-derived peptide blocks exosome release and mediates cell cycle arrest in breast cancer cells.	The effects of the PEG-SMR-Clu peptide on tumor exosome release were determined by testing isolated exosome fractions, for (i) expression of CD63 and Alix proteins by Western blotting, (ii) NanoSight nanoparticle tracking analysis (NTA 10) to measure exosomes size and concentration, and (iii) measurement of acetylcholinesterase (AchE) for exosome specific enzyme activity.
28088446	Identification and characterization of cell-bound membrane vesicles.	phosphatidylserine, CD63, CD107α, CD31, and DNA fragments for the three well-known types of extracellular vesicles) and for intracellular organelles with similar sizes (e.g.
28102751	Extracellular vesicles from activated platelets: a semiquantitative cryo-electron microscopy and immuno-gold labeling study.	According to the current model, EVs shed from the plasma membrane, often called microvesicles, expose phosphatidylserine (PS) and range in size from 100 nm to 1 µm, while EVs originating from endosomal multi-vesicular bodies, called exosomes, contain tetraspanin proteins, including CD63, and range in size from 50 to 100 nm.

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