Gene description for Col1a2
Gene name collagen, type I, alpha 2
Gene symbol Col1a2
Other names/aliases AA960264
AI325291
Col1a-2
Cola-2
Cola2
oim
Species Mus musculus
 Database cross references - Col1a2
ExoCarta ExoCarta_12843
Vesiclepedia VP_12843
Entrez Gene 12843
UniProt Q01149  
 Col1a2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Embryonic fibroblasts 18494037    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Col1a2
Molecular Function
    protease binding GO:0002020 IEA
    protease binding GO:0002020 ISO
    protein binding GO:0005515 IPI
    extracellular matrix structural constituent conferring tensile strength GO:0030020 IBA
    extracellular matrix structural constituent conferring tensile strength GO:0030020 RCA
    protein-macromolecule adaptor activity GO:0030674 IEA
    protein-macromolecule adaptor activity GO:0030674 ISO
    identical protein binding GO:0042802 IEA
    identical protein binding GO:0042802 ISO
    SMAD binding GO:0046332 IPI
    metal ion binding GO:0046872 IEA
    platelet-derived growth factor binding GO:0048407 ISO
Biological Process
    skeletal system development GO:0001501 IEA
    skeletal system development GO:0001501 ISO
    blood vessel development GO:0001568 IEA
    blood vessel development GO:0001568 ISO
    transforming growth factor beta receptor signaling pathway GO:0007179 IEA
    transforming growth factor beta receptor signaling pathway GO:0007179 ISO
    Rho protein signal transduction GO:0007266 IEA
    Rho protein signal transduction GO:0007266 ISO
    regulation of blood pressure GO:0008217 IEA
    regulation of blood pressure GO:0008217 ISO
    extracellular matrix organization GO:0030198 IBA
    collagen fibril organization GO:0030199 ISO
    collagen fibril organization GO:0030199 NAS
    bone mineralization GO:0030282 IMP
    collagen metabolic process GO:0032963 IMP
    skin morphogenesis GO:0043589 IEA
    skin morphogenesis GO:0043589 ISO
    protein heterotrimerization GO:0070208 IDA
    cellular response to amino acid stimulus GO:0071230 IDA
    extracellular matrix assembly GO:0085029 IMP
Subcellular Localization
    collagen trimer GO:0005581 IDA
    collagen type I trimer GO:0005584 IBA
    collagen type I trimer GO:0005584 IDA
    collagen type I trimer GO:0005584 ISO
    extracellular space GO:0005615 HDA
    extracellular space GO:0005615 IBA
    extracellular space GO:0005615 IDA
    extracellular space GO:0005615 ISO
    collagen-containing extracellular matrix GO:0062023 HDA
    collagen-containing extracellular matrix GO:0062023 IBA
    collagen-containing extracellular matrix GO:0062023 IDA
 Experiment description of studies that identified Col1a2 in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 73
MISEV standards
EM
Biophysical techniques
HSP70|HSP90
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 18494037    
Organism Mus musculus
Experiment description Difference gel electrophoresis analysis of Ras-transformed fibroblast cell-derived exosomes.
Authors "Ji H, Erfani N, Tauro BJ, Kapp EA, Zhu HJ, Moritz RL, Lim JW, Simpson RJ"
Journal name ELEC
Publication year 2008
Sample Embryonic fibroblasts
Sample name NIH3T3
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA]
Western blotting
3
Experiment ID 214
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 215
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 216
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Col1a2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Col5a1 12831
Co-fractionation Mus musculus
2 Mmp2  
Co-fractionation Mus musculus
3 Postn 50706
Co-fractionation Mus musculus
4 Col4a2 12827
Co-fractionation Mus musculus
5 Adamts2  
Co-fractionation Mus musculus
6 Sgta 52551
Co-fractionation Mus musculus
7 Col5a2  
Co-fractionation Mus musculus
8 Lum  
Co-fractionation Mus musculus
9 Kcnma1  
Affinity Capture-MS Mus musculus
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