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Human SOST / Sclerostin Protein, His Tag, low endotoxin (HPLC verified)

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Product Number/Spec
Price
Menge
HST-H5245-100ug
$380.00
HST-H5245-1mg (250ug X 4)
$2245.00
ETA of in-stock products:2 business days
Gesamtanzahl Product Amount$ 0

Product Details

  • Synonyms

    SOST, VBCH

  • Source

    Human SOST, His Tag (HST-H5245) is expressed from human 293 cells (HEK293). It contains AA Gln 24 - Tyr 213 (Accession # AAI01087.1).

    Predicted N-terminus: His

    Request for sequence
  • Molecular Characterization

    SOST Structure

    Other Tags and Version Biotin & Other Labeled Version

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

    The protein has a calculated MW of 22.3 kDa. The protein migrates as 30-34 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to different glycosylation.

  • Endotoxin

    Less than 0.01 EU per μg by the LAL method / rFC method.

  • Purity

    >90% as determined by SDS-PAGE.

    >90% as determined by SEC-HPLC.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

    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.

  • Shipping and Storage

    This product is shipped at ambient temperature.

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

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
  • ACRO Quality Management System

    1. QMS(ISO, GMP)
    2. Quality Advantages
    3. Quality Control Process

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Data Display

  • SDS-PAGE

    SOST SDS-PAGE

    Human SOST, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).

  • SEC-HPLC

    SOST SEC-HPLC

    The purity of Human SOST, His Tag (Cat. No. HST-H5245) was greater than 90% as determined by SEC-HPLC.

  • Bioactivity-ELISA

     SOST ELISA

    Immobilized Human SOST, His Tag (Cat. No. HST-H5245) at 5 μg/mL (100 μL/well) can bind Human LRP-6 (20-630), Mouse IgG2a Fc Tag (Cat. No. LR6-H5253) with a linear range of 10-78 ng/mL (QC tested).

    Protocol

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Publish Comment

Background Introduction

Sclerostin (SOST) is also known as Sclerosteosis, VBCH, is a secreted glycoprotein with a signal peptide for secretion and a C-terminal cysteine knot-like (CTCK) domain and belongs to the Cerberus/DAN family of bone morphogenetic protein (BMP) antagonists. Sclerostin is produced by the osteocyte and has anti-anabolic effects on bone formation. More recently Sclerostin has been identified as binding to LRP5/6 receptors and inhibiting the Wnt signalling pathway. Wnt pathway inhibition under these circumstances is antagonistic to bone formation (meaning Sclerostin antagonizes bone formation). It has been shown that SOST binds BMP-5, -6, and -7 with high affinity and BMP-2 and -4 with low affinity. Sclerostin production by osteocytes is inhibited by parathyroid hormone, mechanical loading and cytokines including oncostatin M, cardiotrophin-1 and leukemia inhibitory factor. Sclerostin production is increased by calcitonin. Thus, osteoblast activity is self regulated by a negative feedback system. Mutations of Sclerostin is associated with the syndrome Sclerosteosis, and reduced sclerostin expression results in a milder form of the disorder called van Buchem disease.

Frontier Progress

 
Drug Development Progress
  • English Name:

    Sclerostin

  • Category:

  • Listed Drugs Count:

    1 Details

  • Clinical Drugs Count:

    6 Details

  • Highest R&D Stage:

    Approved

Drug Candidate Licensing
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