Gene description for SERPINB4
Gene name serpin peptidase inhibitor, clade B (ovalbumin), member 4
Gene symbol SERPINB4
Other names/aliases LEUPIN
PI11
SCCA-2
SCCA1
SCCA2
Species Homo sapiens
 Database cross references - SERPINB4
ExoCarta ExoCarta_6318
Vesiclepedia VP_6318
Entrez Gene 6318
HGNC 10570
MIM 600518
UniProt P48594  
 SERPINB4 identified in exosomes derived from the following tissue/cell type
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Urine 19056867    
Urine 21557262    
 Gene ontology annotations for SERPINB4
Molecular Function
    enzyme binding GO:0019899 IPI
    protease binding GO:0002020 IPI
    serine-type endopeptidase inhibitor activity GO:0004867 NAS
Biological Process
    negative regulation of peptidase activity GO:0010466 IDA
    regulation of proteolysis GO:0030162 NAS
    negative regulation of endopeptidase activity GO:0010951 IBA
    protection from natural killer cell mediated cytotoxicity GO:0042270 IMP
Subcellular Localization
    intracellular GO:0005622 IDA
    extracellular exosome GO:0070062 IDA
    extracellular space GO:0005615 IBA
    cytoplasm GO:0005737 IEA
 Experiment description of studies that identified SERPINB4 in exosomes
1
Experiment ID 231
MISEV standards
EV Biophysical techniques
Alix|CD63|CD9
EV Enriched markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 232
MISEV standards
EV Biophysical techniques
EV Enriched markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 233
MISEV standards
EV Biophysical techniques
EV Enriched markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 63
MISEV standards
EV Biophysical techniques
AQP2
EV Enriched 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
5
Experiment ID 113
MISEV standards
EM|IEM
EV Biophysical techniques
AQP2
EV Enriched markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21557262    
Organism Homo sapiens
Experiment description Proteomic identification of exosomal LRG1: A potential urinary biomarker for detecting NSCLC.
Authors Li Y, Zhang Y, Qiu F, Qiu Z.
Journal name ELEC
Publication year 2011
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
 Protein-protein interactions for SERPINB4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 USF2 7392
Affinity Capture-MS Homo sapiens
2 CTSS 1520
Affinity Capture-MS Homo sapiens
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which SERPINB4 is involved
No pathways found





Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here