Human SART1 Antibody

Catalog # Availability Size / Price Qty
Detection of Human and Mouse SART1 by Western Blot.
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Product Details
Supplemental Products

Human SART1 Antibody Summary

Species Reactivity
Detects human SART1 in ELISAs and Western Blots. Detects mouse SART1 in Western Blots.
Monoclonal Mouse IgG1 Clone # 865709
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human SART1
Accession # O43290
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.


Recommended Concentration
Western Blot
1 µg/mL
See below
8-25 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human and Mouse SART1 antibody by Western Blot. View Larger

Detection of Human and Mouse SART1 by Western Blot. Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line and EL-4 mouse lymphoblast cell line. Gels were loaded with 20 µg of HepG2 and 30 µg of EL-4 cytoplasmic (Cyto) extracts and 10 µg of HepG2 and 15 µg of EL-4 nuclear (Nuc) extracts. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human SART1 Monoclonal Antibody (Catalog # MAB8034) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for SART1 at approximately 120 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunocytochemistry SART1 antibody in HepG2 Human Cell Line by Immunocytochemistry (ICC). View Larger

SART1 in HepG2 Human Cell Line. SART1 was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line using Mouse Anti-Human SART1 Monoclonal Antibody (Catalog # MAB8034) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red, upper panel; Catalog # NL007) and counterstained with DAPI (blue, lower panel). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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.

Background: SART1

Hypoxia-associated factor (HAF), also known as SART1, is a widely expressed 125 kDa intracellular protein that promotes assembly of the U2-type pre-mRNA spliceosome. SART1 is also an E3 ubiquitin ligase that promotes the ubiquitination and degradation of HIF-1 alpha. In contrast, it enhances the transcriptional activity of HIF-2 alpha. SART1 is upregulated in many tumor types and enables tumor growth during chronic hypoxia. Within amino acids 647-800, human SART1 shares 100% aa sequence identity with mouse and rat SART1.

Long Name
Squamous cell carcinoma antigen recognized by T cells
Entrez Gene IDs
9092 (Human); 20227 (Mouse); 29678 (Rat)
Alternate Names
Allergen Hom s 1; Ara1; HAF; HOMS1; hSART-1; hSnu66; hypoxia-associated factor; IgE Autoantigen; MGC2038; SART1; SART-1; SART1(259) protein; SART1(800) protein; SART1259; small nuclear ribonucleoprotein 110kDa (U4/U6.U5); SNRNP110; SNU66 homolog; Snu66; squamous cell carcinoma antigen recognised by T cells; Squamous cell carcinoma antigen recognized by T cells 1; squamous cell carcinoma antigen recognized by T cells; U4/U6.U5 tri-snRNP-associated 110 kDa protein; U4/U6.U5 tri-snRNP-associated protein 1

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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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