Sulfotransferase 2A1 (SULT2A1), also called DHEA-ST (DHEA/bile acid sulfotransferase), is a 35 kDa member of the cytosolic sulfotransferase family, which are Phase II drug-metabolizing enzymes that catalyze the sulfation of many endogenous and xenobiotic substrates. SULT2A1 is primarily expressed in liver and adrenal tissues. It sulfates steroids and bile acids, playing roles in maintaining cholesterol and bile acid homeostasis by increasing cholesterol catabolism and preventing toxicity from bile acid accumulation. Human SULT2A1 shares 63-65% amino acid identity with mouse and rat SULT2A1.
Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antibody
R&D Systems | Catalog # AF5828
Scientific images may be resized, cropped, or adjusted for brightness or contrast for presentation purposes. These updates are limited to presentation and do not affect the underlying scientific interpretation of the data. Where available, additional source data may be provided upon request.
Key Product Details
Species Reactivity
Human
Applications
Western Blot, Neutralization, Immunocytochemistry
Label
Unconjugated
Antibody Source
Polyclonal Sheep IgG
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Product Specifications
Immunogen
E. coli-derived recombinant human Cytosolic Sulfotransferase 2A1/SULT2A1
Ser2-Glu285
Accession # Q06520
Ser2-Glu285
Accession # Q06520
Specificity
Detects human Cytosolic Sulfotransferase 2A1/SULT2A1 in direct ELISAs and Western blots. In direct ELISAs, less than 2% cross-reactivity with recombinant human (rh) SULT1A1, rhSULT1A3, rhSULT1B1, rhSULT1E1, and rhSULT4A1 is observed.
Clonality
Polyclonal
Host
Sheep
Isotype
IgG
Scientific Data Images for Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antibody
Detection of Human Cytosolic Sulfotransferase 2A1/ SULT2A1 by Western Blot.
Western blot shows lysates of human liver tissue. PVDF Membrane was probed with 0.5 µg/mL of Human Cytosolic Sulfotransferase 2A1/ SULT2A1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5828) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Cytosolic Sulfotransferase 2A1/SULT2A1 at approximately 35 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Cytosolic Sulfotransferase 2A1/SULT2A1 in HepG2 Human Cell Line.
Cytosolic Sulfotransferase 2A1/SULT2A1 was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Sheep Anti-Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5828) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.Applications for Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antibody
Application
Recommended Usage
Immunocytochemistry
5-15 µg/mL
Sample: Immersion fixed HepG2 human hepatocellular carcinoma cell line
Sample: Immersion fixed HepG2 human hepatocellular carcinoma cell line
Western Blot
0.5 µg/mL
Sample: Human liver tissue
Sample: Human liver tissue
Neutralization
Measured by its ability to neutralize Recombinant Human Cytosolic Sulfotransferase 2A1/SULT2A1 (8.33 µg/mL, Catalog # 5828-ST) transfer from the sulfate donor Adenosine 3'-phosphate 5'-phosphosulfate (PAPS, 33 μM) to Trans-Dehydroandrosterone (DHEA, 133 µM). The Neutralization Dose (ND50) is typically 35.9 µg/mL.
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Cytosolic Sulfotransferase 2A1/SULT2A1
Alternate Names
DHEA-ST, DHEAS, hSTa, ST2A3, SULT2A1
Gene Symbol
SULT2A1
UniProt
Additional Cytosolic Sulfotransferase 2A1/SULT2A1 Products
Product Documents for Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Cytosolic Sulfotransferase 2A1/SULT2A1 Antibody
For research use only
Related Research Areas
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- ICC Cell Smear Protocol for Suspension Cells
- ICC Immunocytochemistry Protocol Videos
- ICC for Adherent Cells
- Immunocytochemistry (ICC) Protocol
- Immunocytochemistry Troubleshooting
- Immunofluorescence of Organoids Embedded in Cultrex Basement Membrane Extract
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Fluorescent ICC Staining of Cell Smears - Graphic
- Protocol for the Fluorescent ICC Staining of Cultured Cells on Coverslips - Graphic
- Protocol for the Preparation and Fluorescent ICC Staining of Cells on Coverslips
- Protocol for the Preparation and Fluorescent ICC Staining of Non-adherent Cells
- Protocol for the Preparation and Fluorescent ICC Staining of Stem Cells on Coverslips
- Protocol for the Preparation of a Cell Smear for Non-adherent Cell ICC - Graphic
- R&D Systems Quality Control Western Blot Protocol
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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