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product-image-AAA127375_FCM11.jpg FCM/FACS (Flow Cytometry) (Figure 3. Flow Cytometry analysis of U937 cells using anti-SA1/STAG1 antibody (AAA127375).Overlay histogram showing U937 cells stained with AAA127375 (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-SA1/STAG1 Antibody (AAA127375, 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 without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.)

Rabbit anti-Human SA1/STAG1 Polyclonal Antibody | anti-SA1/STAG1 antibody

Anti-SA1/STAG1 Antibody Picoband

Gene Names
STAG1; SA1; SCC3A
Reactivity
Human
Applications
ELISA, Flow Cytometry, Functional Assay, Immunofluorescence, Immunocytochemistry, Western Blot
Purity
Immunogen affinity purified.
Synonyms
SA1/STAG1, Antibody; Anti-SA1/STAG1 Antibody Picoband; mediator complex subunit 4; Mediator of RNA polymerase II transcription subunit 4; Activator-recruited cofactor 36 kDa component; ARC36; Mediator complex subunit 4; TRAP/SMCC/PC2 subunit p36 subunit; Vitamin D3 receptor-interacting protein complex 36 kDa component; DRIP36; MED4; VDRIP; HSPC126; anti-SA1/STAG1 antibody
Ordering
Host
Rabbit
Reactivity
Human
Clonality
Polyclonal
Isotype
Rabbit IgG
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-SA1/STAG1 antibody
ELISA, FCM/FACS (Flow Cytometry), IF (Immunofluorescence), ICC (Immunocytochemistry), WB (Western Blot)
Immunogen
E coli-derived human SA1/STAG1 recombinant protein (Position: Q748-L1224).
Subcellular Localization
Nucleus
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
Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors.
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 3. Flow Cytometry analysis of U937 cells using anti-SA1/STAG1 antibody (AAA127375).Overlay histogram showing U937 cells stained with AAA127375 (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-SA1/STAG1 Antibody (AAA127375, 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 without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.)

product-image-AAA127375_FCM11.jpg FCM/FACS (Flow Cytometry) (Figure 3. Flow Cytometry analysis of U937 cells using anti-SA1/STAG1 antibody (AAA127375).Overlay histogram showing U937 cells stained with AAA127375 (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-SA1/STAG1 Antibody (AAA127375, 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 without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.)

IF (Immunofluorescence)

(Figure 2. IF analysis of SA1/STAG1 using anti-SA1/STAG1 antibody (AAA127375) and anti-Tubulin Alpha antibody (M03989-3).SA1/STAG1 was detected in immunocytochemical section of T47D cell. 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-SA1/STAG1 Antibody (AAA127375) and mouse anti-Tubulin Alpha antibody (M03989-3) overnight at 4 degree C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) and DyLight488 Conjugated Goat Anti-Mouse IgG (BA1126) were used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37 degree C. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

product-image-AAA127375_IF13.jpg IF (Immunofluorescence) (Figure 2. IF analysis of SA1/STAG1 using anti-SA1/STAG1 antibody (AAA127375) and anti-Tubulin Alpha antibody (M03989-3).SA1/STAG1 was detected in immunocytochemical section of T47D cell. 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-SA1/STAG1 Antibody (AAA127375) and mouse anti-Tubulin Alpha antibody (M03989-3) overnight at 4 degree C. Cy3 Conjugated Goat Anti-Rabbit IgG (BA1032) and DyLight488 Conjugated Goat Anti-Mouse IgG (BA1126) were used as secondary antibody at 1:500 dilution and incubated for 30 minutes at 37 degree C. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

WB (Western Blot)

(Figure 1. Western blot analysis of SA1/STAG1 using anti-SA1/STAG1 antibody (AAA127375).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 HEL whole cell lysates,Lane 2: human Hela 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-SA1/STAG1 antigen affinity purified polyclonal antibody (#AAA127375) 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 SA1/STAG1 at approximately 155 kDa. The expected band size for SA1/STAG1 is at 144 kDa.)

product-image-AAA127375_WB15.jpg WB (Western Blot) (Figure 1. Western blot analysis of SA1/STAG1 using anti-SA1/STAG1 antibody (AAA127375).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 HEL whole cell lysates,Lane 2: human Hela 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-SA1/STAG1 antigen affinity purified polyclonal antibody (#AAA127375) 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 SA1/STAG1 at approximately 155 kDa. The expected band size for SA1/STAG1 is at 144 kDa.)
Related Product Information for anti-SA1/STAG1 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.
References
1. Carramolino, L., Lee, B. C., Zaballos. A., Peled, A., Barthelemy, I., Shav-Tal, Y., Prieto, I., Carmi, P., Gothelf, Y., Gonzalez de Buitrago, G., Aracil, M., Marquez, G., Barbero, J. L., Zipori, D. SA-1, a nuclear protein encoded by one member of a novel gene family: molecular cloning and detection in hemopoietic organs. Gene 195: 151-159, 1997. Note: Erratum: Gene 206: 283 only, 1998. 2. Davidson, I. F., Bauer, B., Goetz, D., Tang, W., Wutz, G., Peters, J. M. DNA loop extrusion by human cohesin. Science 366: 1338-1345, 2019. 3. Lehalle, D., Mosca-Boidron, A.-L., Begtrup, A., Boute-Benejean, O., Charles, P., Cho, M. T., Clarkson, A., Devinsky, O., Duffourd, Y., Duplomb-Jego, L., Gerard, B., Jacquette, A., and 25 others. STAG1 mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability. J. Med. Genet. 54: 479-488, 2017.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
1258
NCBI Official Full Name
Cohesin subunit SA-1
NCBI Official Synonym Full Names
stromal antigen 1
NCBI Official Symbol
STAG1
NCBI Official Synonym Symbols
SA1; SCC3A
NCBI Protein Information
cohesin subunit SA-1; SCC3 homolog 1; nuclear protein stromal antigen 1
UniProt Protein Name
Cohesin subunit SA-1
UniProt Gene Name
STAG1
UniProt Synonym Gene Names
SA1
UniProt Entry Name
STAG1_HUMAN

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Product Notes

The SA1/STAG1 stag1 (Catalog #AAA127375) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Anti-SA1/STAG1 Antibody Picoband reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's SA1/STAG1 can be used in a range of immunoassay formats including, but not limited to, ELISA, FCM/FACS (Flow Cytometry), IF (Immunofluorescence), ICC (Immunocytochemistry), WB (Western Blot). Researchers should empirically determine the suitability of the SA1/STAG1 stag1 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 "SA1/STAG1, 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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