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400-6111-883
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400-6111-883
Recombinant Human Follistatin (Human Follistatin)
产品货号:92530ES08
产品规格:5 μg
产品价格:¥ 815.00
类别:细胞因子

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  • Product Information

     

    Product Name

    Cat#

    Size

    Price(¥

    Recombinant Human Follistatin (Human Follistatin)

    92530ES08

    5 μg

    815.00

    92530ES60

    100 μg

    6765.00

    92530ES76

    500 μg

    17835.00

     

    Product Description

     

    Follistatin (FS) was initially identified as a follicle-stimulating hormone inhibiting substance found in ovarian follicular fluid. It has since been shown that FS is a high‑affinity activin-binding protein that can act as an activin antagonist. Two alternatively spliced follistatin mRNAs, encoding mature FS with 288 amino acid (aa) residues (FS‑288) and 315 aa residues (FS‑315), exist. Natural FS purified from porcine ovaries is primarily a carboxy-terminal truncated form of FS‑315 composed of 300 aa residues. Cell surface-associated FS has been suggested to play a role in the clearance and bioavailability of activin in vivo. Besides activin, FS has also been shown to bind with multiple BMPs and to inhibit BMP activity in early Xenopus embryos. FS deficient mice have been shown to have multiple embryonic defects that will result in death shortly after birth.

     

    Product Properties

     

    Synonyms

    FS; FSActivin-binding protein; FST

    Accession

    P19883

    GeneID

    10468

    Source

    E.coli-derived Human Follistatin, Gly30-Asn317.

    Molecular Weight

    Approximately 31.5 kDa.

    AA Sequence

    GNCWLRQAKN GRCQVLYKTE LSKEECCSTG RLSTSWTEED VNDNTLFKWM IFNGGAPNCI PCKETCENVD CGPGKKCRMN KKNKPRCVCA PDCSNITWKG PVCGLDGKTY RNECALLKAR CKEQPELEVQ YQGRCKKTCR DVFCPGSSTC VVDQTNNAYC VTCNRICPEP ASSEQYLCGN DGVTYSSACH LRKATCLLGR SIGLAYEGKC IKAKSCEDIQ CTGGKKCLWD FKVGRGRCSL CDELCPDSKS DEPVCASDNA TYASECAMKE AACSSGVLLE VKHSGSCN

    Tag

    None

    Physical Appearance

    Sterile Filtered White lyophilized (freeze-dried) powder.

    Purity

    > 95% by SDS-PAGE and HPLC analyses.

    Biological Activity

    Testing in Progress.

    Endotoxin

    < 1.0 EU per 1μg of the protein by the LAL method.

    Formulation

    Lyophilized from a 0.2 mm filtered concentrated solution in 20mM Tris-HCl, pH 8.5, 150 mM NaCl.

    Reconstitution

    We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.

     

    Shipping and Storage

     

    The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.

    Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.



    Cautions

     

    1. Avoid repeated freeze-thaw cycles.

    2. For your safety and health, please wear lab coats and disposable gloves for operation.

    3. For research use only!

     

     

    HB220318