CD316/IGSF8 Protein, Human (HEK293, His)

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The CD316/IGSF8 protein plays a key role in multiple functions related to CD81 and CD9, affecting processes such as oocyte fertilization, hepatitis C virus function, and the regulation of keratinocyte proliferation and differentiation. CD316/IGSF8 Protein, Human (HEK293, His) is the recombinant human-derived CD316/IGSF8 protein, expressed by HEK293 , with C-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

The CD316/IGSF8 protein plays a key role in multiple functions related to CD81 and CD9, affecting processes such as oocyte fertilization, hepatitis C virus function, and the regulation of keratinocyte proliferation and differentiation. CD316/IGSF8 Protein, Human (HEK293, His) is the recombinant human-derived CD316/IGSF8 protein, expressed by HEK293 , with C-6*His labeled tag.

Background

The CD316/IGSF8 protein appears to play a key role in diverse functions associated with CD81 and CD9, such as oocyte fertilization and the function of the hepatitis C virus. Additionally, it may regulate the proliferation and differentiation of keratinocytes, acting as a negative regulator of cell motility. CD316/IGSF8 has been found to suppress T-cell mobility in coordination with CD81, associate with CD82 to suppress prostate cancer cell migration, and regulate epidermoid cell reaggregation and motility on laminin-5, with CD9 and CD81 acting as key linkers in these processes. Furthermore, CD316/IGSF8 may be involved in integrin-dependent morphology and motility functions and participate in the regulation of neurite outgrowth, contributing to the maintenance of the neural network in the adult brain. Its direct interactions with CD82, CD81/tetraspanin-28, and CD9/tetraspanin-29, as well as its interactions with integrin alpha-3/beta-1 and integrin alpha-4/beta-1, underscore the complex molecular associations that contribute to its multifaceted roles in various cellular processes.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • IGSF8 (R28-T579)
      Accession # Q969P0-1
    • 6*His
    • C-term
  • Protein Length

    Extracellular Domain

  • Synonyms

    IGSF8; CD81 Partner 3; Immunoglobulin Superfamily Member 8; LIR-D1; CD81P3; EWI-2; EWI2; KCT-4; PGRL; Immunoglobulin Superfamily, Member 8; CD316; CD316 Antigen; Keratinocytes-Associated Transmembrane Protein 4; IgSF8; Glu-Trp-Ile EWI Motif-Containing Pro

  • AA Sequence

    REVLVPEGPLYRVAGTAVSISCNVTGYEGPAQQNFEWFLYRPEAPDTALGIVSTKDTQFSYAVFKSRVVAGEVQVQRLQGDAVVLKIARLQAQDAGIYECHTPSTDTRYLGSYSGKVELRVLPDVLQVSAAPPGPRGRQAPTSPPRMTVHEGQELALGCLARTSTQKHTHLAVSFGRSVPEAPVGRSTLQEVVGIRSDLAVEAGAPYAERLAAGELRLGKEGTDRYRMVVGGAQAGDAGTYHCTAAEWIQDPDGSWAQIAEKRAVLAHVDVQTLSSQLAVTVGPGERRIGPGEPLELLCNVSGALPPAGRHAAYSVGWEMAPAGAPGPGRLVAQLDTEGVGSLGPGYEGRHIAMEKVASRTYRLRLEAARPGDAGTYRCLAKAYVRGSGTRLREAASARSRPLPVHVREEGVVLEAVAWLAGGTVYRGETASLLCNISVRGGPPGLRLAASWWVERPEDGELSSVPAQLVGGVGQDGVAELGVRPGGGPVSVELVGPRSHRLRLHSLGPEDEGVYHCAPSAWVQHADYSWYQAGSARSGPVTVYPYMHALDT

  • Predicted Molecular Mass

    59.6 kDa

  • Molecular Weight

    Approximately 63-85 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Calculators

Reconstitution Calculator

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

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

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

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