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POLR3A antibody

Category:

Antibody
- Primary Antibody
  - Unconjugated Primary Antibodies

Research Area:

Synonyms：	DNA-directed RNA polymerase III subunit RPC1 (RNA polymerase III subunit C1)\|DNA-directed RNA polymerase III largest subunit\|DNA-directed RNA polymerase III subunit A\|RNA polymerase III 155 kDa subunit (RPC155)\|RNA polymerase III subunit C160\|POLR3A antibody
Catalogue No.：	FNab06629	Reactivity：	Human, Mouse, Rat
Host：	Rabbit	Tested Application：	ELISA, WB
Clonality：	polyclonal	Isotype：	IgG

Manual MSDS

Size	Price
100µg	Inquiry

Dispatch Time: About 3 working days

SPECIFICATIONS
FIGURES
CONDITIONS
FAQS

Product Name: POLR3A antibody
Catalogue No.: FNab06629
Size: 100μg
Form: liquid
Purification: Immunogen affinity purified
Purity: ≥95% as determined by SDS-PAGE
Clonality: polyclonal
Isotype: IgG
Storage: PBS with 0.02% sodium azide and 50% glycerol pH 7.3, -20℃ for 12 months(Avoid repeated freeze / thaw cycles.)

Immunogen

Immunogen: polymerase(RNA) III(DNA directed) polypeptide A, 155kDa
Alternative Names: DNA-directed RNA polymerase III subunit RPC1 (RNA polymerase III subunit C1)|DNA-directed RNA polymerase III largest subunit|DNA-directed RNA polymerase III subunit A|RNA polymerase III 155 kDa subunit (RPC155)|RNA polymerase III subunit C160|POLR3A antibody
UniProt ID: O14802
Observed MW: 140-150 kDa

Application

Tested Applications: ELISA, WB
Recommended dilution: WB: 1:500-1:2000

Validated Images

MCF7 cells were subjected to SDS PAGE followed by western blot with FNab06629(POLR3A antibody) at dilution of 1:300

Background: DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic core component of RNA polymerase III which synthesizes small RNAs, such as 5S rRNA and tRNAs. Forms the polymerase active center together with the second largest subunit. A single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol III. A bridging helix emanates from RPC1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol III by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition(By similarity). Plays a key role in sensing and limiting infection by intracellular bacteria and DNA viruses. Acts as nuclear and cytosolic DNA sensor involved in innate immune response. Can sense non-self dsDNA that serves as template for transcription into dsRNA. The non-self RNA polymerase III transcripts, such as Epstein-Barr virus-encoded RNAs(EBERs) induce type I interferon and NF-Kappa-B through the RIG-I pathway.

How many times can antibodies be recycled?

First, usually it's not suggested to recycle antibodies. After use, buffer system of antibodies has changed. The storage condition of recycled antibodies for different customers also varies. Thus, the performance efficiency of recycled antibodies can’t be guaranteed. Besides, FineTest ever conducted the antibody recycling assay. Assay results show recycling times of different antibodies also varies. Usually, higher antibody titer allows more repeated use. Customers can determine based on experimental requirements.

Notes: After incubation, we recycle rest antibodies to centrifuge tube and store at 4℃. High titer antibodies can be stored for a minimum of one week. Reuse about three times.

What are components of FineTest antibody buffer?

Components of FineTest antibody buffer are usually PBS with proclin300 or sodium azide, BSA, 50% glycerol. Common preservative is proclin300 or sodium azide, which is widely applied in the lab and industry.

How about the storage temperature and duration of FineTest antibodies?

Most antibodies are stored at -20℃. Directly-labeled flow cytometry antibodies should be stored at 2 - 8℃. The shelf life is one year. If after sales issues for purchased antibodies appear, return or replacement is available. Usually, antibodies can be still used after the one-year warranty. We can offer technical support services.

Is dilution required for FineTest antibodies? What’s the dilute solution?

Directly-labeled flow cytometry antibodies are ready-to-use without dilution. Other antibodies are usually concentrated. Follow the dilution ratio suggested in the manual. Dilute solution for different experiments also varies. Common antibody dilution buffers are acceptable(e.g. PBST, TBST, antibody blocking buffer).

How to retrieve antibodies for immunohistochemistry?

Common retrieval buffers: Tris-EDTA Buffer(pH 9.0); Citrate Buffer(pH 6.0)

Heat induced antibody retrieval:

Method 1: Water-bath heating: Put the beaker with retrieval buffer and slide in the boiling water bath. Keep the boiling state for 15min. Naturally cool to room temperature;

Method 2: Microwave retrieval: Put the beaker with retrieval buffer and slide in the microwave oven. Heat at high power for 5min, Switch OFF for 3min, Heat at medium power for 5min. Naturally cool to room temperature.

How to choose secondary antibodies?

(1) Secondary antibodies react with primary antibodies. Thus, secondary antibodies should be against host species of primary antibodies. E.g. If the primary antibody is derived from rabbit, the relevant secondary antibody should be against rabbit. E.g. goat anti rabbit or donkey anti rabbit.

(2) Choose secondary antibody conjugates according to the experimental type, e.g. ELISA, WB, IHC etc. Common enzyme conjugated secondary antibodies are labelled by HRP, AP etc. Fluorescin or dye labelled secondary antibodies are applied in immunofluorescence and flow cytometry(e.g. FITC, Cy3).

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