Follistatin, human recombinant

  • Catalog number
    4708-10
  • Price
    Please ask
  • Size
    10 ug
  • Synonyms
    FST, FS, Activin-binding protein
  • Alternative_names
    FST, FS, Activin-binding protein
  • Description
    An autocrine glycoprotein involved in binding and bioneutralization of members of the TGF-β superfamily
  • Recombinant
    Yes
  • Source
    E. coli
  • Purity by SDS PAGE
    ≥95%
  • Assay
    SDS-PAGE
  • Biological activity
    Determined by its ability to neutralize Activin A inhibitory effect of murine MPC-11 cells. The expected ED₅₀ is 0.1-0.4 µg/ml in the presence of 7.5 ng/ml Activin A.
  • Results
    0.1-0.4 µg/ml
  • Molecular Weight
    31.5 kDa
  • Storage Temp
    -20°C
  • Shipping
    Gel pack
  • Shelf Life
    12 months
  • Appearance
    Lyophilized protein
  • Physical form description
    Sterile filtered and lyophilized from 10 mM Sodium Phosphate, pH 7.5 + 75 mM NaCl
  • Reconstitution Instructions
    Reconstitute in H₂O to a concentration of 0.1-1.0 µg/µl. The solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or –20°C for future use.
  • Background Information
    Follistatin belongs to a group of structurally-diverse diffusible proteins that binds to TGF-β ligands and inhibit their activity by hindering access to signaling receptors. This naturally occurring antagonist binds to Activin, BMP-2,-4,-6,-7, Myostatin, GDF-11, and TGF-β1. Follistatin is expressed in the pituitary, ovaries, decidual cells of the endometrium, and in some other tissues. Recombinant human Follistatin is a 31.5 kDa protein containing 288 amino acids including 36 cysteine residues.
  • Handling
    Centrifuge the vial prior to opening.
  • Usage
    For Research Use Only! Not to be used in humans
  • Properties
    Human proteins, cDNA and human recombinants are used in human reactive ELISA kits and to produce anti-human mono and polyclonal antibodies. Modern humans (Homo sapiens, primarily ssp. Homo sapiens sapiens). Depending on the epitopes used human ELISA kits can be cross reactive to many other species. Mainly analyzed are human serum, plasma, urine, saliva, human cell culture supernatants and biological samples.
  • Additional source
    Recombinants or rec. proteins
  • Group
    recombinants
  • Gene target
  • Gene symbol
    FST, FSTL1, FSTL3
  • Short name
    Follistatin, recombinant
  • Technique
    Recombinant, E. coli recombinant proteins are genetic recombinations in Escherichia coli, supplied as white sterile powder lyopillized. Biovision advises they will be reconstituted in a buffer soluion or culture medium for cell culture.
  • Species
    Human, Humans
  • Alternative name
    Follistatin, H. sapiens Rec.
  • Alternative technique
    rec
Gene info
Gene info
Gene info
MeSH Data
  • Name
  • Concept
    Scope note: The initial culturing of cells derived directly from fresh TISSUES.
  • Tree numbers
    • E01.370.225.500.223.500
    • E05.200.500.265.500
    • E05.242.223.500
    • E05.481.500.249.500
  • Qualifiers
    ethics, trends, veterinary, history, classification, economics, instrumentation, methods, standards, statistics & numerical data
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