Gene description for SPRR3
Gene name small proline-rich protein 3
Gene symbol SPRR3
Other names/aliases -
Species Homo sapiens
 Database cross references - SPRR3
ExoCarta ExoCarta_6707
Entrez Gene 6707
HGNC 11268
MIM 182271
UniProt Q9UBC9  
 SPRR3 identified in exosomes derived from the following tissue/cell type
Bladder cancer cells 20224111    
Saliva 19199708    
Urine 19056867    
 Gene ontology annotations for SPRR3
Molecular Function
    structural molecule activity GO:0005198 TAS
    protein binding GO:0005515 IPI
Biological Process
    keratinization GO:0031424 IEA
    keratinocyte differentiation GO:0030216 NAS
    epidermis development GO:0008544 NAS
    peptide cross-linking GO:0018149 IEA
    wound healing GO:0042060 TAS
Subcellular Localization
    cytoplasm GO:0005737 IEA
    extracellular exosome GO:0070062 IDA
 Experiment description of studies that identified SPRR3 in exosomes
1
Experiment ID 76
ISEV standards
EM
EV Biophysical techniques
TSG101|GAPDH|HSP90
EV Cytosolic markers
CD81|CD9|CD63|LAMP1|MHCI
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20224111    
Organism Homo sapiens
Experiment description Proteomics analysis of bladder cancer exosomes.
Authors Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A.
Journal name MCP
Publication year 2010
Sample Bladder cancer cells
Sample name HT1376
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF/TOF]
Western blotting
FACS
2
Experiment ID 66
ISEV standards
IEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
CD63|CD81
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19199708    
Organism Homo sapiens
Experiment description Proteomic analysis of human parotid gland exosomes by multidimensional protein identification technology (MudPIT).
Authors Gonzalez-Begne M, Lu B, Han X, Hagen FK, Hand AR, Melvin JE, Yates JR
Journal name JPR
Publication year 2009
Sample Saliva
Sample name Saliva
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
3
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
 Protein-protein interactions for SPRR3
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which SPRR3 is involved
No pathways found





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