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product-image-AAA127739_FACS8.png FCM/FACS (Flow Cytometry) (Figure 5. Flow Cytometry analysis of A431 cells using anti-POLR1B antibody (AAA127739).Overlay histogram showing A431 cells stained with AAA127739 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-POLR1B Antibody (AAA127739, 1ug/1x106 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1ug/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

Rabbit anti-Human POLR1B Polyclonal Antibody | anti-POLR1B antibody

Anti-POLR1B Antibody Picoband

Gene Names
POLR1B; RPA2; RPA135; Rpo1-2
Reactivity
Human
Applications
Western Blot, Immunocytochemistry, Immunohistochemistry, Immunofluorescence, Flow Cytometry, Functional Assay, ELISA
Purity
Immunogen affinity purified.
Synonyms
POLR1B, Antibody; Anti-POLR1B Antibody Picoband; solute carrier family 2 member 6; Solute carrier family 2, facilitated glucose transporter member 6; Glucose transporter type 6; GLUT-6; Glucose transporter type 9; GLUT-9; SLC2A6; GLUT9; anti-POLR1B antibody
Ordering
Host
Rabbit
Reactivity
Human
Clonality
Polyclonal
Isotype
Rabbit IgG
Specificity
HighlyExpressed in brain, spleen and peripheral blood leukocytes.
Purity/Purification
Immunogen affinity purified.
Form/Format
Lyophilized. Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Applicable Applications for anti-POLR1B antibody
WB (Western Blot), ICC (Immunocytochemistry), IHC (Immunohistochemistry), IF (Immunofluorescence), FCM/FACS (Flow Cytometry), ELISA
Immunogen
E coli-derived human POLR1B recombinant protein (Position: H18-V1135).
Subcellular Localization
Cell membrane. Multi-pass membrane protein
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500ug/ml.
Cross Reactivity
No cross-reactivity with other proteins.
Protein Function
Facilitative glucose transporter; binds cytochalasin B with low affinity.
Preparation and Storage
At -20 degree C for one year from date of receipt. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for six months.Avoid repeated freezing and thawing.

FCM/FACS (Flow Cytometry)

(Figure 5. Flow Cytometry analysis of A431 cells using anti-POLR1B antibody (AAA127739).Overlay histogram showing A431 cells stained with AAA127739 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-POLR1B Antibody (AAA127739, 1ug/1x106 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1ug/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

product-image-AAA127739_FACS8.png FCM/FACS (Flow Cytometry) (Figure 5. Flow Cytometry analysis of A431 cells using anti-POLR1B antibody (AAA127739).Overlay histogram showing A431 cells stained with AAA127739 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-POLR1B Antibody (AAA127739, 1ug/1x106 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1ug/1x106) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

IF (Immunofluorescence)

(Figure 4. IF analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in an immunocytochemical section of PC-3 cells. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5ug/mL rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) was used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37 degree C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

product-image-AAA127739_IF10.jpg IF (Immunofluorescence) (Figure 4. IF analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in an immunocytochemical section of PC-3 cells. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5ug/mL rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) was used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37 degree C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

IHC (Immunohistochemisry)

(Figure 3. IHC analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in a paraffin-embedded section of human lymphoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2ug/ml rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit with DAB as the chromogen.)

product-image-AAA127739_IHC11.jpg IHC (Immunohistochemisry) (Figure 3. IHC analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in a paraffin-embedded section of human lymphoma tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2ug/ml rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit with DAB as the chromogen.)

IHC (Immunohiostchemistry)

(Figure 2. IHC analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in a paraffin-embedded section of human breast cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2ug/ml rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit with DAB as the chromogen.)

product-image-AAA127739_IHC13.jpg IHC (Immunohiostchemistry) (Figure 2. IHC analysis of POLR1B using anti-POLR1B antibody (AAA127739).POLR1B was detected in a paraffin-embedded section of human breast cancer tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2ug/ml rabbit anti-POLR1B Antibody (AAA127739) overnight at 4 degree C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37 degree C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit with DAB as the chromogen.)

WB (Western Blot)

(Figure 1. Western blot analysis of POLR1B using anti-POLR1B antibody (AAA127739).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel)/90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.Lane 1: human K562 whole cell lysates,Lane 2: human HepG2 whole cell lysates,Lane 3: human 293T whole cell lysates.After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-POLR1B antigen affinity purified polyclonal antibody (#AAA127739) at 0.5ug/mL overnight at 4 degree C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system. A specific band was detected for POLR1B at approximately 128 kDa. The expected band size for POLR1B is at 128 kDa.)

product-image-AAA127739_WB15.jpg WB (Western Blot) (Figure 1. Western blot analysis of POLR1B using anti-POLR1B antibody (AAA127739).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel)/90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.Lane 1: human K562 whole cell lysates,Lane 2: human HepG2 whole cell lysates,Lane 3: human 293T whole cell lysates.After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-POLR1B antigen affinity purified polyclonal antibody (#AAA127739) at 0.5ug/mL overnight at 4 degree C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system. A specific band was detected for POLR1B at approximately 128 kDa. The expected band size for POLR1B is at 128 kDa.)
Related Product Information for anti-POLR1B antibody
The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Product Categories/Family for anti-POLR1B antibody
References
1. Sanchez, E., Laplace-Builhe, B., Mau-Them, F. T., Richard, E., Goldenberg, A., Toler, T. L., Guignard, T., Gatinois, V., Vincent, M., Blanchet, C., Boland, A., Bihoreau, M. T., and 16 others. POLR1B and neural crest cell anomalies in Treacher Collins syndrome type 4. Genet. Med. 22: 547-556, 2020. 2. Seither, P., Grummt, I. Molecular cloning of RPA2, the gene encoding the second largest subunit of mouse RNA polymerase I. Genomics 37: 135-139, 1996.3. Stumpf, A. M. Personal Communication. Baltimore, Md. 07/06/2020.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
128,229 Da
NCBI Official Full Name
DNA-directed RNA polymerase I subunit RPA2 isoform 2
NCBI Official Synonym Full Names
polymerase (RNA) I polypeptide B, 128kDa
NCBI Official Symbol
POLR1B
NCBI Official Synonym Symbols
RPA2; RPA135; Rpo1-2
NCBI Protein Information
DNA-directed RNA polymerase I subunit RPA2; RNA polymerase I subunit 2; DNA-directed RNA polymerase I 135kDa polypeptide; DNA-directed RNA polymerase I 135 kDa polypeptide
UniProt Protein Name
DNA-directed RNA polymerase I subunit RPA2
UniProt Gene Name
POLR1B
UniProt Synonym Gene Names
RNA polymerase I subunit 2; RPA135
UniProt Entry Name
RPA2_HUMAN

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Product Notes

The POLR1B polr1b (Catalog #AAA127739) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Anti-POLR1B Antibody Picoband reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's POLR1B can be used in a range of immunoassay formats including, but not limited to, WB (Western Blot), ICC (Immunocytochemistry), IHC (Immunohistochemistry), IF (Immunofluorescence), FCM/FACS (Flow Cytometry), ELISA. Researchers should empirically determine the suitability of the POLR1B polr1b for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "POLR1B, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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