Gene description for GRHPR
Gene name glyoxylate reductase/hydroxypyruvate reductase
Gene symbol GRHPR
Other names/aliases GLXR
GLYD
PH2
Species Homo sapiens
 Database cross references - GRHPR
ExoCarta ExoCarta_9380
Entrez Gene 9380
HGNC 4570
MIM 604296
UniProt Q9UBQ7  
 GRHPR identified in exosomes derived from the following tissue/cell type
B cells 20458337    
B cells 20458337    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Squamous carcinoma cells 20124223    
Thymus 23844026    
Urine 19056867    
 Gene ontology annotations for GRHPR
Molecular Function
    NAD binding GO:0051287 TAS
    glyoxylate reductase (NADP) activity GO:0030267 NAS
    glycerate dehydrogenase activity GO:0008465 IDA
    hydroxypyruvate reductase activity GO:0016618 IDA
    protein homodimerization activity GO:0042803 IDA
    NADPH binding GO:0070402 IDA
    carboxylic acid binding GO:0031406 IEA
Biological Process
    glyoxylate metabolic process GO:0046487 TAS
    small molecule metabolic process GO:0044281 TAS
    dicarboxylic acid metabolic process GO:0043648 IEA
    protein oligomerization GO:0051259 IDA
    excretion GO:0007588 IMP
    oxidation-reduction process GO:0055114 IDA
    metabolic process GO:0008152 NAS
    cellular nitrogen compound metabolic process GO:0034641 TAS
Subcellular Localization
    cytosol GO:0005829 IEA
    extracellular exosome GO:0070062 IDA
    cytoplasm GO:0005737 IDA
    peroxisomal matrix GO:0005782 TAS
 Experiment description of studies that identified GRHPR in exosomes
1
Experiment ID 79
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
CD81|MHCII
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 1
Authors Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W.
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
2
Experiment ID 80
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
CD81|MHCII
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis -Sample 2
Authors Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W.
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
3
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV 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
4
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV 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
5
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV 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
6
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
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
9
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
10
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
11
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV 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
12
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
13
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane 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
 Protein-protein interactions for GRHPR
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 LSM1  
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which GRHPR is involved
PathwayEvidenceSource
Glyoxylate metabolism TAS Reactome





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