Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag (MALS&SPR verified)

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ELL-H5595-50ug
¥2520.00
ELL-H5595-100ug
¥4410.00
ELL-H5595-500ug
¥16695.00
合计0件 产品金额¥ 0

产品详情

  • 分子别名(Synonym)

    Elongin B & Elongin C & VHL, ELOB & ELOC & VHL Complex, Elongin B & Elongin C & VHL Complex

  • 表达区间及表达系统(Source)

    Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag (ELL-H5595) is expressed from Baculovirus-Insect cells. It contains AA Asp 2 - Gln 118 (Elongin B) & Asp 2 - Cys 112 (Elongin C) & Pro 2 - Asp 213 (VHL) (Accession # Q15370-1 (Elongin B) & Q15369-1 (Elongin C) & P40337-2 (VHL)).

    Predicted N-terminus: Met (Elongin B) & Met (Elongin C) & Met (VHL)

    Request for sequence
  • 蛋白结构(Molecular Characterization)

    Elongin B & Elongin C & VHL Structure

    Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag, produced by co-expression of Elongin B and Elongin C and VHL, has a calculated MW of 14.5 kDa (Elongin B) and 13.8 kDa (Elongin C) and 25.8 kDa (VHL). Subunit Elongin B is fused with a Strep II tag at the N-terminus and Elongin C is fused with a Strep II tag at the N-terminus and VHL is fused with a polyhistidine tag at the N-terminus. The protein migrates as 17 kDa (Elongin B) and 14 kDa (Elongin C) and 30 kDa (VHL) under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • 内毒素(Endotoxin)

    Less than 1.0 EU per μg by the LAL method / rFC method.

  • 纯度(Purity)

    >95% as determined by SDS-PAGE.

  • 制剂(Formulation)

    Supplied as 0.2 μm filtered solution in 50 mM HEPES, 200 mM NaCl, 20% Glycerol, pH7.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • 运输(Shipping)

    This product is supplied and shipped with dry ice, please inquire the shipping cost.

  • 存储(Storage)

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. The product MUST be stored at -70°C or lower upon receipt;
    2. -70°C for 3 months under sterile conditions.
  • 质量管理控制体系(QMS)

    1. 质量管理体系(ISO, GMP)
    2. 质量优势
    3. 质控流程

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数据展示

  • 电泳(SDS-PAGE)

    Elongin B & Elongin C & VHL SDS-PAGE

    Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

  • SEC-MALS

    Elongin B & Elongin C & VHL SEC-MALS

    The purity of Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag (Cat. No. ELL-H5595) is more than 85% and the molecular weight of this protein is around 51-63 kDa verified by SEC-MALS.

    Report
  • 活性(Bioactivity)-SPR

     Elongin B & Elongin C & VHL SPR

    Human Elongin B&Elongin C&VHL Heterotrimer Protein, Strep II Tag&Strep II Tag&His Tag (Cat. No. ELL-H5595) immobilized on CM5 Chip can bind MZ1 with an affinity constant of 275 μM as determined in a SPR assay (Biacore 8K) (QC tested).

    Protocol

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背景介绍

Elongin B (ELOB) and Elongin C (ELOC) form a heterodimer that serves as the regulatory subunit for the Elongin complex--a general transcription elongation factor that increases RNA Polymerase II transcription through template-encoded arresting sites. The ELOB/ELOC complex also binds to the "BC-box motif" found in many proteins in the VHL-box and SOCS-box protein families. In this function, ELOB/ELOC serves as an adapter between substrate recognition proteins and either Cullin-2/Rbx1 (in VHL-box E3 Ubiquitin ligases) or Cullin-5/Rbx2 (in SOCS-box E3 Ubiquitin ligases). VHL is involved in the ubiquitination and subsequent proteasomal degradation via the von Hippel-Lindau ubiquitination complex. It seems to act as a target recruitment subunit in the E3 ubiquitin ligase complex and recruits hydroxylated hypoxia-inducible factor (HIF) under normoxic conditions. Involved in transcriptional repression through interaction with HIF1A, HIF1AN and histone deacetylases.

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