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Your Position: Home > Other Recombinant Proteins > Human FSTL1 /FRP Protein

Human Follistatin-like 1 / FSTL1 Protein

  • Synonym
    FSTL1,FRP,FSL1
  • Source
    Human Follistatin-like 1, His Tag (FS1-H5227) is expressed from human 293 cells (HEK293). It contains AA Glu 21 - Ile 308 (Accession # AAH00055).
    Predicted N-terminus: Glu 21
  • Molecular Characterization
    FSTL1(Glu 21  - Ile 308) AAH00055

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 32.7 kDa. The protein migrates as 35-50 kDa under reducing (R) condition (SDS-PAGE) due to differtent glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    No activity loss is observed after storage at:

    1. 4-8°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human Follistatin-like 1, His Tag (Cat. No. FS1-H5227) SDS-PAGE gel

Human Follistatin-like 1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

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