Gene description for MAN2A1
Gene name mannosidase, alpha, class 2A, member 1
Gene symbol MAN2A1
Other names/aliases AMan II
GOLIM7
MANA2
MANII
Species Homo sapiens
 Database cross references - MAN2A1
ExoCarta ExoCarta_4124
Entrez Gene 4124
HGNC 6824
MIM 154582
UniProt Q16706  
 MAN2A1 identified in exosomes derived from the following tissue/cell type
Endothelial cells 26027894    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Saliva 19199708    
Thymus 23844026    
Urine 19056867    
 Gene ontology annotations for MAN2A1
Molecular Function
    mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase activity GO:0004572 IEA
    zinc ion binding GO:0008270 IEA
    hydrolase activity, hydrolyzing N-glycosyl compounds GO:0016799 IEA
    carbohydrate binding GO:0030246 IEA
Biological Process
    cellular protein metabolic process GO:0044267 TAS
    mitochondrion organization GO:0007005 IEA
    retina morphogenesis in camera-type eye GO:0060042 IEA
    mannose metabolic process GO:0006013 IEA
    in utero embryonic development GO:0001701 IEA
    protein N-linked glycosylation via asparagine GO:0018279 TAS
    vacuole organization GO:0007033 IEA
    positive regulation of neurogenesis GO:0050769 IEA
    respiratory gaseous exchange GO:0007585 IEA
    post-translational protein modification GO:0043687 TAS
    liver development GO:0001889 IEA
    lung alveolus development GO:0048286 IEA
    N-glycan processing GO:0006491 IEA
Subcellular Localization
    membrane GO:0016020 IDA
    Golgi membrane GO:0000139 TAS
    extracellular exosome GO:0070062 IDA
    cis-Golgi network GO:0005801 IEA
    integral component of membrane GO:0016021 IEA
 Experiment description of studies that identified MAN2A1 in exosomes
1
Experiment ID 226
ISEV standards
✔
EM
EV Biophysical techniques
✔
GAPDH
EV Cytosolic markers
✔
CD9|FLOT1
EV Membrane markers
✔
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
✘ EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
2
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
3
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
4
Experiment ID 66
ISEV standards
✔
IEM
EV Biophysical techniques
✔
TSG101|Alix
EV Cytosolic markers
✔
CD63|CD81
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19199708    
Organism Homo sapiens
Experiment description Proteomic analysis of human parotid gland exosomes by multidimensional protein identification technology (MudPIT).
Authors Gonzalez-Begne M, Lu B, Han X, Hagen FK, Hand AR, Melvin JE, Yates JR
Journal name JPR
Publication year 2009
Sample Saliva
Sample name Saliva
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
5
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
6
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 MAN2A1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which MAN2A1 is involved
PathwayEvidenceSource
Reactions specific to the complex N-glycan synthesis pathway TAS Reactome





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