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POLR1E Polyclonal antibody

POLR1E Polyclonal Antibody for WB, IHC, IP, ELISA

Host / Isotype

Rabbit / IgG

Reactivity

human, mouse, rat

Applications

WB, IHC, IF, IP, ChIP, ELISA

A49, DNA-directed RNA polymerase I subunit E, DNA-directed RNA polymerase I subunit RPA49, PAF53, POLR

Formulation:  PBS, Azide, Glycerol
PBS, Azide, Glycerol
Conjugate:  Unconjugated
Unconjugated
Size/Concentration: 
SKU: 

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Freight/Packing: -

Quantity

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Tested Applications

Positive WB detected inHepG2 cells, HeLa cells, MCF-7 cells, Jurkat cells, L02 cells, MDA-MB-231 cells
Positive IP detected inHepG2 cells
Positive IHC detected inhuman liver cancer tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0

Recommended dilution

ApplicationDilution
Western Blot (WB)WB : 1:5000-1:50000
Immunoprecipitation (IP)IP : 0.5-4.0 ug for 1.0-3.0 mg of total protein lysate
Immunohistochemistry (IHC)IHC : 1:20-1:200
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

Product Information

16145-1-AP targets POLR1E in WB, IHC, IF, IP, ChIP, ELISA applications and shows reactivity with human, mouse, rat samples.

Tested Reactivity human, mouse, rat
Cited Reactivityhuman, mouse
Host / Isotype Rabbit / IgG
Class Polyclonal
Type Antibody
Immunogen

CatNo: Ag9269

Product name: Recombinant human POLR1E protein

Source: e coli.-derived, PGEX-4T

Tag: GST

Domain: 104-419 aa of BC014331

Sequence: AELFNMQPLFSDVSVESELALESQTKTYREKMDSCIEAFGTTKQKRALNTRRMNRVGNESLNRAVAKAAETIIDTKGVTALVSDAIHNDLQDDSLYLPPCYDDAAKPEDVYKFEDLLSPAEYEALQSPSEAFRNVTSEEILKMIEENSHCTFVIEALKSLPSDVESRDRQARCIWFLDTLIKFRAHRVVKRKSALGPGVPHIINTKLLKHFTCLTYNNGRLRNLISDSMKAKITAYVIILALHIHDFQIDLTVLQRDLKLSEKRMMEIAKAMRLKISKRKVSVAAGSEEDHKLGTLSLPLPPAQTSDRLAKRRKIT

Predict reactive species
Full Name polymerase (RNA) I polypeptide E, 53kDa
Calculated Molecular Weight481aa,54 kDa; 419aa,47 kDa
Observed Molecular Weight 47-53 kDa
GenBank Accession NumberBC014331
Gene Symbol POLR1E
Gene ID (NCBI) 64425
RRIDAB_2167341
Conjugate Unconjugated
FormLiquid
Purification MethodAntigen affinity purification
UNIPROT IDQ9GZS1
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol, pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage. 20ul sizes contain 0.1% BSA.

Protocols

Product Specific Protocols
IHC protocol for POLR1E antibody 16145-1-APDownload protocol
IP protocol for POLR1E antibody 16145-1-APDownload protocol
WB protocol for POLR1E antibody 16145-1-APDownload protocol
Standard Protocols
Click here to view our Standard Protocols

Publications

What published studies show

The antibody (catalog #16145-1-AP) targets the RNA Polymerase I catalytic subunit. It has 9 total citations published in journals including Science, J Biol Chem (×3), Int J Biol Macromol, Mol Biol Cell, PLoS One, Cancer Invest, and Biol Reprod. Research fields span Pol I transcription regulation, rDNA processing, nucleolar dynamics, mitosis, cancer/leukemia, and oocyte development. Applications cited include WB, IF, and ChIP.

SpeciesApplicationTitle
ChIP

Science

lncRNA SLERT controls phase separation of FC/DFCs to facilitate Pol I transcription.

Authors - Man Wu
humanWB,IF

Int J Biol Macromol

Silencing of human RNA polymerase I subunit A34 influences multiple cellular processes including rDNA transcription and cell migration.

Authors - Xiaoye Song
humanWB,IF

J Biol Chem

PAF49: An RNA Polymerase I subunit essential for rDNA transcription and stabilization of PAF53

Authors - Rachel McNamar
humanWB

J Biol Chem

Identification of an E3 ligase that targets the catalytic subunit of RNA polymerase I upon transcription stress

Authors - Stephanie Pitts
WB

J Biol Chem

Conditional depletion of the RNA polymerase I subunit PAF53 reveals that it is essential for mitosis and enables identification of functional domains.

Authors - Rachel McNamar
humanIF

Mol Biol Cell

Nucleoli and the nucleoli-centromere association are dynamic during normal development and in cancer

Authors - Aaron Rodrigues

Reviews

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1 verified customer reviews

What customers say

The single review for this product reports a 5-star rating for Western Blot. The user observed a clear single band with a very strong signal at a 1:1000 dilution in B cell lines, and noted the result changed as expected following proteomics treatment. Overall, the feedback highlights strong specificity and signal intensity.

The reviews below have been submitted by verified Proteintech customers who received an incentive for providing their feedback.


Annabel (Verified Customer) (02-12-2026)

Clear single band and very strong signal, changed as expected from proteomics

  • Applications: Western Blot
  • Primary Antibody Dilution: 1:1000
  • Cell Tissue Type: B Cell lines
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