KBTBD7 Protein, Human (sf9, His, StrepⅡ)

KBTBD7 is a component of the CUL3(KBTBD6/7) E3 ubiquitin ligase complex and acts as a substrate linker to direct “Lys-48” ubiquitination and subsequent proteasomal degradation of the RAC1 guanine exchange factor TIAM1. This precise ubiquitination enables KBTBD7 to effectively regulate RAC1 signaling, affecting key biological processes such as cytoskeletal organization, cell migration, and cell proliferation. KBTBD7 Protein, Human (sf9, His, Strep) is the recombinant human-derived KBTBD7 protein, expressed by sf9 insect cells , with N-Strep, N-8*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: Sf9 insect cells
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

KBTBD7 is a component of the CUL3(KBTBD6/7) E3 ubiquitin ligase complex and acts as a substrate linker to direct “Lys-48” ubiquitination and subsequent proteasomal degradation of the RAC1 guanine exchange factor TIAM1. This precise ubiquitination enables KBTBD7 to effectively regulate RAC1 signaling, affecting key biological processes such as cytoskeletal organization, cell migration, and cell proliferation. KBTBD7 Protein, Human (sf9, His, Strep) is the recombinant human-derived KBTBD7 protein, expressed by sf9 insect cells , with N-Strep, N-8*His labeled tag.

Background

KBTBD7, a key constituent of the CUL3(KBTBD6/7) E3 ubiquitin ligase complex, serves as a substrate adapter with a pivotal role in orchestrating the 'Lys-48' ubiquitination and subsequent proteasomal degradation of the RAC1 guanine exchange factor (GEF) TIAM1. Through precise control of this ubiquitination process, KBTBD7 effectively modulates RAC1 signal transduction and influences various downstream biological processes, including cytoskeletal organization, cell migration, and cell proliferation. The ubiquitination of TIAM1 is contingent on the presence of the membrane-associated protein GABARAP, suggesting a potential local regulation of the complex's activity. With a primary role in protein ubiquitination, KBTBD7 plays a crucial part in fine-tuning cellular signaling pathways and regulating key cellular functions.

Technical Parameters

  • Species Human
  • Source Sf9 insect cells
  • Tag N-StrepⅡ;N-8*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 8*His-StrepⅡ
    • KBTBD7 (Q2-L684)
      Accession # Q8WVZ9
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    KBTBD7; Kelch Repeat And BTB (POZ) Domain Containing 7; Kelch Repeat And BTB Domain Containing 7; DKFZP434E2318; Kelch Repeat And BTB Domain-Containing Protein 7; KBTBD7 Protein

  • AA Sequence

    QSREDVPRSRRLASPRGGRRPKRISKPSVSAFFTGPEELKDTAHSAALLAQLKSFYDARLLCDVTIEVVTPGSGPGTGRLFSCNRNVLAAACPYFKSMFTGGMYESQQASVTMHDVDAESFEVLVDYCYTGRVSLSEANVQRLYAASDMLQLEYVREACASFLARRLDLTNCTAILKFADAFDHHKLRSQAQSYIAHNFKQLSRMGSIREETLADLTLAQLLAVLRLDSLDIESERTVCHVAVQWLEAAAKERGPSAAEVFKCVRWMHFTEEDQDYLEGLLTKPIVKKYCLDVIEGALQMRYGDLLYKSLVPVPNSSSSSSSSNSLVSAAENPPQRLGMCAKEMVIFFGHPRDPFLCYDPYSGDIYTMPSPLTSFAHTKTVTSSAVCVSPDHDIYLAAQPRKDLWVYKPAQNSWQQLADRLLCREGMDVAYLNGYIYILGGRDPITGVKLKEVECYSVQRNQWALVAPVPHSFYSFELIVVQNYLYAVNSKRMLCYDPSHNMWLNCASLKRSDFQEACVFNDEIYCICDIPVMKVYNPARGEWRRISNIPLDSETHNYQIVNHDQKLLLITSTTPQWKKNRVTVYEYDTREDQWINIGTMLGLLQFDSGFICLCARVYPSCLEPGQSFITEEDDARSESSTEWDLDGFSELDSESGSSSSFSDDEVWVQVAPQRNAQDQQGSL

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

Please use rapid thawing with running water to thaw the protein.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

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=
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Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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