Human Hexosaminidase A/HEXA Antibody AF6237: R&D Systems

Human Hexosaminidase A/HEXA Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Hexosaminidase A/HEXA in direct ELISAs and Western blots.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    S. frugiperda insect ovarian cell line Sf 21-derived recombinant human Hexosaminidase A/HEXA
    Leu23-Thr529
    Accession # P06865
  • 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
  • Simple Western
    20 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 Hexosaminidase A/
HEXA by Western Blot.
Western blot shows lysate of HepG2 human hepatocellular carcinoma cell line. PVDF membrane was probed with 2 µg/mL of Sheep Anti-Human Hexosaminidase A/HEXA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6237) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Hexosaminidase A/HEXA at approximately 50 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human Hexosaminidase A/HEXA by Simple WesternTM. Simple Western lane view shows lysate of HepG2 human hepatocellular carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Hexosaminidase A/HEXA at approximately 59 kDa (as indicated) using 20 µg/mL of Sheep Anti-Human Hexosaminidase A/HEXA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6237) followed by 1:50 dilution of HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.2 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: Hexosaminidase A/HEXA
HEXA (beta-hexosaminidase subunit alpha; also hexaminidase subunit alpha) is a 50-56 kDa glycoprotein member of the glycosyl hydrolase #20 family of enzymes. It is found in the lysosomes of a variety of cell types including fibroblasts, lacrimal acinar cells, and neurons. beta -Hexosaminidase is a multimeric enzyme that cleaves aminoacetylhexosamines from multiple glycosylated molecules. It exists in three noncovalent isozyme forms, among which is an A form that is trimeric and composed of one alpha - and two beta -subunits, a B form that is tetrameric and contains two alpha - and two beta -subunits, and a dimeric S form that contains two alpha -subunits. The alpha - and beta -subunits are products of related but distinct genes. The beta -hexosiminidase A form acts on a wide range of substrates, while the B form activity is biased towards sulfated hexoses. Human HEXA is synthesized as a 529 aa (amino acid) prepro-precursor. It contains a 22 aa signal sequence, a 66 aa prosegment, and a 441 aa mature region that contains a catalytic domain (aa 167-488). The prosegment may undergo additional processing through His90, and this segment (≈ 6 kDa) is known to remain linked to the mature region via a disulfide bond. Notably, circulating HEXA is comprised only of subunit proforms whose MW may run some 10 kDa higher in SDS-PAGE. Over aa 23-529, human HEXA shares 85% and 57% aa sequence identity with mouse HEXA and the human HEXA beta -subunit proprecursor, respectively.
  • Entrez Gene IDs:
    3073 (Human)
  • Alternate Names:
    beta-hexosaminidase subunit alpha; Beta-N-acetylhexosaminidase subunit alpha; EC 3.2.1; EC 3.2.1.52; HEXA; hexosaminidase A (alpha polypeptide); Hexosaminidase A; Hexosaminidase subunit A; MGC99608; N-acetyl-beta-glucosaminidase subunit alpha; TSD
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Normal Sheep IgG Control

Ctrl 5-001-A 9
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Secondary Antibodies
Description Application Cat# Citations Images  

Sheep IgG HRP-conjugated Antibody

WB, Simple Western HAF016 14  
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Donkey Anti-Sheep IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL010 3
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Donkey Anti-Sheep IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL011 5
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Donkey Anti-Sheep IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL012 2
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Donkey Anti-Sheep IgG Biotinylated Antibody

WB BAF016 2
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Sheep IgG (H+L) PE-conjugated Antibody

Flow F0126  
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Sheep IgG (H+L) APC-conjugated Antibody

Flow F0127  
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Sheep IgG VisUCyte HRP Polymer Antibody

IHC VC006  
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Donkey Anti-Sheep IgG (H+L) Fluorescein-conjugated Antibody

Flow F0125 1
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Donkey Anti-Sheep IgG (H+L) PerCP-conjugated Antibody

Flow F0128
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