Gene description for POLR1B
Gene name RNA polymerase I subunit B
Gene symbol POLR1B
Other names/aliases A135
RPA135
RPA2
Rpo1-2
TCS4
Species Homo sapiens
 Experiment description of studies that identified POLR1B in Embryonic kidney cells

1
Experiment ID1408
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 36706192   
OrganismHomo sapiens
Experiment descriptionDisplaying and delivering viral membrane antigens via WW domain-activated extracellular vesicles
AuthorsChoi S, Yang Z, Wang Q, Qiao Z, Sun M, Wiggins J, Xiang SH, Lu Q.
Journal name Sci Adv
Publication year2023
SampleEmbryonic kidney cells
Sample nameHEK293T
Isolation/purification methodsDifferential centrifugation
Filtration
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
Mass spectrometry
EV-TRACK -

2
Experiment ID1413
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 36706192   
OrganismHomo sapiens
Experiment descriptionDisplaying and delivering viral membrane antigens via WW domain-activated extracellular vesicles
AuthorsChoi S, Yang Z, Wang Q, Qiao Z, Sun M, Wiggins J, Xiang SH, Lu Q.
Journal name Sci Adv
Publication year2023
SampleEmbryonic kidney cells
Sample nameHEK293T - Fraction 5
Isolation/purification methodsDifferential centrifugation
Filtration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density1.151 g/mL
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
Mass spectrometry
EV-TRACK -

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