Human alpha 1-Microglobulin Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human alpha 1-Microglobulin in direct ELISAs and Western blots. In direct ELISAs, approximately 10% cross-reactivity with recombinant rat alpha 1-Microglobulin is observed.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human alpha 1-Microglobulin
    Gly20-Val203, predicted
    Accession # P02760
  • 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
    0.5 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 alpha 1-Microglobulin by Western Blot. Western blot shows human plasma. PVDF membrane was probed with 0.5 µg/mL of Sheep Anti-Human alpha 1-Microglobulin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7724) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for alpha 1-Microglobulin at approximately 30-32 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
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: alpha 1-Microglobulin

Human alpha 1-Microglobulin (alpha1-m/A1M; also protein HC) is a secreted, 31-32 kDa glycoprotein member of the lipocalin family, calycin superfamily of molecules. It is expressed by hepatocytes, keratinocytes, and endodermal derivatives in the embryo. A1M appears to act as a heme scavenger, protecting cells and collagen against oxidative damage. It also acts as an immunosuppressant, inhibiting polyclonal lymphocyte activation and dampening granulocyte migration in response to chemokines. A1M circulates either as a monomer, or bound to IgA, albumin or prothrombin. Human A1M is generated through cleavage of a precursor molecule termed AMBP. This AMBP should not be confused with AMBP-1, a 120-140 kDa adrenomedullin-binding protein that is also known as Complement Factor H. The AMBP precursor contains a 19 aa signal sequence, an N-terminal 183 aa A1M protein (aa 20-203), and a C-terminal serine protease inhibitor termed bikunin (aa 206-352). A1M possesses one lipocalin domain (aa 42-186). Although cleavage of AMBP in the Golgi apparatus typically generates a 31 kDa A1M and 28 kDa bikunin molecule, the 60-65 kDa AMBP precursor can also be released intact. A1M will undergo extracellular processing, generating a 30 kDa isoform that is missing aa 199-203. There is one splice variant that shows a deletion of aa 48-57. Over aa 20-203, human A1M shares 76% aa sequence identity with both mouse and rat A1M.

  • Entrez Gene IDs:
    259 (Human); 11699 (Mouse); 25377 (Rat)
  • Alternate Names:
    A1M; alpha 1Microglobulin; alpha 1-Microglobulin; alpha-1-microglobulin/bikunin precursor; AMBP; bikunin; EDC1; HCP; HCPcomplex-forming glycoprotein heterogeneous in charge; HI30; IATIL; inter-alpha-trypsin inhibitor light chain; ITI; ITIL; ITILC; ITILgrowth-inhibiting protein 19; protein AMBP; protein HC; trypstatin; uristatin; uronic-acid-rich protein; UTI
Related Research Areas
Isotype Controls
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Normal Sheep IgG Control

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Secondary Antibodies
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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

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Donkey Anti-Sheep IgG NorthernLights™ NL493-conjugated Antibody

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Sheep IgG (H+L) PE-conjugated Antibody

Flow F0126  
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Donkey Anti-Sheep IgG Biotinylated Antibody

WB BAF016 2
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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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