Human Bikunin Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Bikunin in direct ELISAs and Western blots.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human Bikunin
    Ala206-Asn352
    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 Bikunin by Western Blot. Western blot shows human urine. PVDF membrane was probed with 0.5 µg/mL of Sheep Anti-Human Bikunin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7744) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Bikunin at approximately 35-45 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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: Bikunin

Bikunin (also known as I alpha I light chain, EDC1, HI30 and Trypstatin) is a secreted, 35-45 kDa proteoglycan member of the kunin family of serine protease inhibitors. It is expressed by hepatocytes, amniotic epithelium and mesothelial cells. Bikunin possesses both sulfated and nonsulfated GAG sequences. The nonsulfated sequences are known to form ester linkages with two 80 kDa "heavy" chains in the hepatocyte Golgi, forming 180-200 kDa I alpha I. This molecule participates in the formation of hyaluronan-containing ECM. In addition, one of the H chains of I alpha I can be displaced by TSG6, creating an antiplasmin complex. Human bikunin 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 the C-terminal serine protease inhibitor bikunin (aa 206-352). Bikunin possesses one GAG attachment site at Ser215, two Kunitz inhibitor domains (aa 231-281 and 287-337) and one utilized N-linked glycosylation site at Asn250. Although cleavage of AMBP in the Golgi may result in release of free bikunin, the 60-65 kDa AMBP precursor can also be released intact. Over aa 206-352, human bikunin shares 77% aa sequence identity with mouse bikunin.

  • Entrez Gene IDs:
    259 (Human)
  • Alternate Names:
    Bikunin
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 VisUCyte HRP Polymer Antibody

IHC VC006  
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Sheep IgG (H+L) APC-conjugated Antibody

Flow F0127  
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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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