Gene description for PRSS22
Gene name protease, serine, 22
Gene symbol PRSS22
Other names/aliases BSSP-4
SP001LA
hBSSP-4
Species Homo sapiens
 Database cross references - PRSS22
ExoCarta ExoCarta_64063
Vesiclepedia VP_64063
Entrez Gene 64063
HGNC 14368
MIM 609343
UniProt Q9GZN4  
 PRSS22 identified in sEVs derived from the following tissue/cell type
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Squamous carcinoma cells 20124223    
 Gene ontology annotations for PRSS22
Molecular Function
    serine-type endopeptidase activity GO:0004252 IDA
    protein binding GO:0005515 IPI
    peptidase activator activity GO:0016504 IDA
Biological Process
    proteolysis GO:0006508 IDA
    positive regulation of peptidase activity GO:0010952 IDA
Subcellular Localization
    extracellular space GO:0005615 IDA
 Experiment description of studies that identified PRSS22 in sEVs
1
Experiment ID 207
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 208
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 209
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 191
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors "Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK."
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for PRSS22
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 DDX19B 11269
Affinity Capture-MS Homo sapiens
2 TUBA1A 7846
Affinity Capture-MS Homo sapiens
3 SSUH2  
Affinity Capture-MS Homo sapiens
4 TCP11L1 55346
Affinity Capture-MS Homo sapiens
5 CTPS2 56474
Affinity Capture-MS Homo sapiens
6 HSPA13 6782
Affinity Capture-MS Homo sapiens
7 SLFN5 162394
Affinity Capture-MS Homo sapiens
8 XIAP  
Affinity Capture-MS Homo sapiens
9 GPR107 57720
Affinity Capture-MS Homo sapiens
10 LRRC1 55227
Affinity Capture-MS Homo sapiens
11 SORL1 6653
Affinity Capture-MS Homo sapiens
12 PPM1A 5494
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
13 GALNT1 2589
Affinity Capture-MS Homo sapiens
14 PCDH1 5097
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which PRSS22 is involved
No pathways found





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