Recombinant human Follistatin protein (ab51800)

Overview

Description

  • NatureRecombinant
  • SourceEscherichia coli
  • Amino Acid Sequence
    • AccessionP19883-2
    • SpeciesHuman
    • Molecular weight32 kDa
    • Amino acids30 to 317

Specifications

Our Abpromise guarantee covers the use of ab51800 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • 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.

  • Applications

    SDS-PAGE

  • Purity> 95 % SDS-PAGE.
    Sterile filtered. Endotoxin level is <0.1 ng per µg of Follistatin.
  • FormLyophilised
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

    Preservative: None
    Constituents: 75mM Sodium chloride, 10mM Sodium phosphate, pH 7.5

    This product is an active protein and may elicit a biological response in vivo, handle with caution.

  • ReconstitutionReconstitute in water to a concentration of 0.1-1.0 µg/µl.

General Info

  • Alternative names
    • Activin binding protein
    • Activin-binding protein
    • Follistatin
    • FS
    • fst
    • FST_HUMAN
    • Human follistatin gene
    see all
  • FunctionBinds directly to activin and functions as an activin antagonist. Specific inhibitor of the biosynthesis and secretion of pituitary follicle stimulating hormone (FSH).
  • Tissue specificityIsoform 1 is the predominant isoform in serum but is undetectable in follicular fluid.
  • Sequence similaritiesContains 3 follistatin-like domains.
    Contains 3 Kazal-like domains.
    Contains 1 TB (TGF-beta binding) domain.
  • Cellular localizationSecreted.
  • Information by UniProt

References for Recombinant human Follistatin protein (ab51800)

ab51800 has not yet been referenced specifically in any publications.

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