Human ARNT/HIF-1 beta Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human ARNT/HIF‑1 beta in direct ELISAs.
  • Source
    Monoclonal Mouse IgG2A Clone # 775146
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant human ARNT/HIF‑1 beta
    Asp517-Ala691
    Accession # P27540
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Immunocytochemistry
    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.
Data Examples
Detection of Human ARNT/HIF‑1 beta by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, Jurkat human acute T cell leukemia cell line, and K562 human chronic myelogenous leukemia cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human ARNT/HIF‑1 beta Monoclonal Antibody (Catalog # MAB5630) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for ARNT/HIF‑1 beta at approximately 90-100 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunocytochemistry
ARNT/HIF‑1 beta in MCF‑7 Human Cell Line. ARNT/HIF‑1 beta was detected in immersion fixed MCF‑7 human breast cancer cell line using Mouse Anti-Human ARNT/HIF‑1 beta Monoclonal Antibody (Catalog # MAB5630) 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 and cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.5 mg/mL.
  • Shipping
    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: ARNT/HIF-1 beta
ARNT (Aryl hydrocarbon nuclear translocator; also HIF-1 beta, Hypoxia-inducible factor 1-beta) is an 87-97 kDa member of the bHLH-PAS subclass of the bHLH family of transcription factors. It is widely expressed, and serves as part of both the NF kappa B and aryl hydrocarbon receptor (AHR) signaling nodes. For the AHR, the AHR is normally inactive and bound to hsp90 in the cytosol. Following ligand binding, the AHR complex enters the nucleus, dissociates from hsp90, dimerizes with ARNT, and then binds response elements of select genes. Human ARNT is 789 amino acids (aa) in length. It contains a DNA-binding region (aa 87‑143), two PAS domains (aa 161‑235 and 362‑458) and one PAC region (aa 424‑467). There are multiple potential splice forms. Two alternate start sites are found at Met10 and Met354, there is a deletion of aa 329‑755 and 77‑91, and an Ala substitution for aa 328‑789.
  • Long Name:
    Aryl Hydrocarbon Receptor Nuclear Translocator
  • Entrez Gene IDs:
    405 (Human); 11863 (Mouse); 25242 (Rat)
  • Alternate Names:
    ARNT protein; ARNT; aryl hydrocarbon receptor nuclear translocator; BHLHE2; HIF1 beta; HIF-1 beta; HIF1B; HIF1BETA; HIF-1-beta; HIF1-beta; hypoxia-inducible factor 1, beta subunit; Hypoxia-inducible factor 1-beta; nuclear translocator; TANGO
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