Gene description for LRSAM1
Gene name leucine rich repeat and sterile alpha motif containing 1
Gene symbol LRSAM1
Other names/aliases CMT2P
RIFLE
TAL
Species Homo sapiens
 Database cross references - LRSAM1
ExoCarta ExoCarta_90678
Entrez Gene 90678
HGNC 25135
MIM 610933
UniProt Q6UWE0  
 LRSAM1 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 19837982    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
 Gene ontology annotations for LRSAM1
Molecular Function
    ligase activity GO:0016874 IEA
    protein binding GO:0005515 IPI
    zinc ion binding GO:0008270 IEA
    hormone activity GO:0005179 IEA
    ubiquitin-protein transferase activity GO:0004842 IDA
Biological Process
    protein autoubiquitination GO:0051865 IDA
    ubiquitin-dependent endocytosis GO:0070086 IDA
    viral budding GO:0046755 IMP
    protein catabolic process GO:0030163 IMP
    protein polyubiquitination GO:0000209 IDA
    negative regulation of endocytosis GO:0045806 IMP
Subcellular Localization
    membrane GO:0016020 IDA
    extracellular region GO:0005576 IEA
    cytoplasm GO:0005737 IDA
 Experiment description of studies that identified LRSAM1 in exosomes
1
Experiment ID 21
ISEV standards
✔
EM|IEM
EV Biophysical techniques
✔
Alix|TSG101|HSP70
EV Cytosolic markers
✔
CD63
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method
Mass spectrometry   
PubMed ID 19837982    
Organism Homo sapiens
Experiment description Proteomic and bioinformatic analysis of immunoaffinity-purified exosomes derived from the human colon tumor cell line LIM1215.
Authors Suresh Mathivanan, Justin W.E. Lim, Bow J. Tauro, Hong Ji, Robert L. Moritz and Richard J. Simpson
Journal name MCP
Publication year 2009
Sample Colorectal cancer cells
Sample name LIM1215
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.10-1.12 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [Orbitrap]
Western blotting
2
Experiment ID 231
ISEV standards
✘ EV Biophysical techniques
✔
Alix
EV Cytosolic markers
✔
CD63|CD9
EV Membrane 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
3
Experiment ID 232
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane 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
4
Experiment ID 233
ISEV standards
✘ EV Biophysical techniques
✘ EV Cytosolic markers
✘ EV Membrane 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
 Protein-protein interactions for LRSAM1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 KIAA0980  
Two-hybrid Homo sapiens
2 GPR108  
Two-hybrid Homo sapiens
3 TSG101 7251
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
4 EGFR 1956
Affinity Capture-Western Homo sapiens
5 KLC1 3831
Two-hybrid Homo sapiens
6 FAM178B 51252
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which LRSAM1 is involved
PathwayEvidenceSource
Antigen processing: Ubiquitination & Proteasome degradation TAS Reactome





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