Gene description for Psph
Gene name phosphoserine phosphatase
Gene symbol Psph
Other names/aliases AI480570
PSP
PSPase
Species Mus musculus
 Database cross references - Psph
ExoCarta ExoCarta_100678
Vesiclepedia VP_100678
Entrez Gene 100678
UniProt Q99LS3  
 Psph identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Melanoma cells 34957415    
Melanoma cells 34957415    
Pancreatic cells 19351151    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Psph
Molecular Function
    magnesium ion binding GO:0000287 IBA
    magnesium ion binding GO:0000287 ISO
    magnesium ion binding GO:0000287 ISS
    L-phosphoserine phosphatase activity GO:0036424 IBA
    L-phosphoserine phosphatase activity GO:0036424 ISO
    L-phosphoserine phosphatase activity GO:0036424 ISS
    identical protein binding GO:0042802 ISO
    protein homodimerization activity GO:0042803 IEA
    protein homodimerization activity GO:0042803 ISO
Biological Process
    in utero embryonic development GO:0001701 IMP
    L-serine metabolic process GO:0006563 ISO
    L-serine metabolic process GO:0006563 ISS
    L-serine biosynthetic process GO:0006564 IBA
    L-serine biosynthetic process GO:0006564 ISO
    L-serine biosynthetic process GO:0006564 ISS
    response to mechanical stimulus GO:0009612 IEA
    response to nutrient levels GO:0031667 IEA
    response to testosterone GO:0033574 IEA
Subcellular Localization
    cytoplasm GO:0005737 IBA
    cytosol GO:0005829 IEA
 Experiment description of studies that identified Psph 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 1117
MISEV standards
✘ Biophysical techniques
✔
Cd81|Icam1
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 34957415    
Organism Mus musculus
Experiment description Melanoma-derived small extracellular vesicles induce lymphangiogenesis and metastasis through an NGFR-dependent mechanism
Authors "García-Silva S, Benito-Martín A, Nogués L, Hernández-Barranco A, Mazariegos MS, Santos V, Hergueta-Redondo M, Ximénez-Embún P, Kataru RP, Lopez AA, Merino C, Sánchez-Redondo S, Graña-Castro O, Matei I, Nicolás-Avila JÁ, Torres-Ruiz R, Rodríguez-Perales S, Martínez L, Pérez-Martínez M, Mata G, Szumera-Ciećkiewicz A, Kalinowska I, Saltari A, Martínez-Gómez JM, Hogan SA, Saragovi HU, Ortega S, Garcia-Martin C, Boskovic J, Levesque MP, Rutkowski P, Hidalgo A, Muñoz J, Megías D, Mehrara BJ, Lyden D, Peinado H."
Journal name Nat Cancer
Publication year 2021
Sample Melanoma cells
Sample name B16-F1R2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 1118
MISEV standards
✘ Biophysical techniques
✔
Cd81|Icam1
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 34957415    
Organism Mus musculus
Experiment description Melanoma-derived small extracellular vesicles induce lymphangiogenesis and metastasis through an NGFR-dependent mechanism
Authors "García-Silva S, Benito-Martín A, Nogués L, Hernández-Barranco A, Mazariegos MS, Santos V, Hergueta-Redondo M, Ximénez-Embún P, Kataru RP, Lopez AA, Merino C, Sánchez-Redondo S, Graña-Castro O, Matei I, Nicolás-Avila JÁ, Torres-Ruiz R, Rodríguez-Perales S, Martínez L, Pérez-Martínez M, Mata G, Szumera-Ciećkiewicz A, Kalinowska I, Saltari A, Martínez-Gómez JM, Hogan SA, Saragovi HU, Ortega S, Garcia-Martin C, Boskovic J, Levesque MP, Rutkowski P, Hidalgo A, Muñoz J, Megías D, Mehrara BJ, Lyden D, Peinado H."
Journal name Nat Cancer
Publication year 2021
Sample Melanoma cells
Sample name B16-F1R2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 188
MISEV standards
✔
EM
Biophysical techniques
✔
GAPDH|UCHL1|HSP90
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors "Lee HS, Jeong J, Lee KJ."
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
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 Psph
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Eed  
Affinity Capture-MS Mus musculus
View the network image/svg+xml
 Pathways in which Psph is involved
PathwayEvidenceSource
Metabolism IEA Reactome
Metabolism of amino acids and derivatives IEA Reactome
Serine biosynthesis IEA Reactome





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