TLR2 Protein, Human (sf9, His)

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TLR2 is a protein that plays a critical role in recognizing and responding to various bacterial and mycobacterial pathogens. TLR2 Protein, Human (sf9, His) is the recombinant human-derived TLR2 protein, expressed by Sf9 insect cells , with C-10*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: Sf9 insect cells
  • 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

TLR2 is a protein that plays a critical role in recognizing and responding to various bacterial and mycobacterial pathogens. TLR2 Protein, Human (sf9, His) is the recombinant human-derived TLR2 protein, expressed by Sf9 insect cells , with C-10*His labeled tag.

Background

TLR2 protein collaborates with LY96 to orchestrate the innate immune response against bacterial lipoproteins and various microbial cell wall components. Additionally, TLR2 forms functional complexes with either TLR1 or TLR6 to recognize bacterial lipopeptides. Through the signaling pathways involving MYD88 and TRAF6, TLR2 activation leads to NF-kappa-B activation, cytokine secretion, and the initiation of inflammatory responses. The receptor plays a pivotal role in recognizing specific ligands, such as mycoplasmal macrophage-activating lipopeptide-2kD (MALP-2) and B.burgdorferi outer surface protein A lipoprotein (OspA-L), often in cooperation with TLR6. TLR2 engages in complex interactions with other receptors, including CD14 and CD36, to form activation clusters that trigger signaling events at the cell surface before being directed to the Golgi in a lipid-raft dependent pathway. Furthermore, TLR2 is crucial for the normal uptake of M.tuberculosis, and its interactions extend to various regulatory proteins such as MYD88, TICAM1, and TIRAP.

Technical Parameters

  • Species Human
  • Source Sf9 insect cells
  • Tag C-10*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • TLR2 (E21-R587)
      Accession # O60603
    • 10*His
    • C-term
  • Protein Length

    Partial

  • Synonyms

    TLR2; CD282; Toll Like Receptor 2; Toll/Interleukin-1 Receptor-Like Protein 4; Toll-Like Receptor 2; Toll-Like Receptor; TIL4; CD282 Antigen

  • AA Sequence

    KEESSNQASLSCDRNGICKGSSGSLNSIPSGLTEAVKSLDLSNNRITYISNSDLQRCVNLQALVLTSNGINTIEEDSFSSLGSLEHLDLSYNYLSNLSSSWFKPLSSLTFLNLLGNPYKTLGETSLFSHLTKLQILRVGNMDTFTKIQRKDFAGLTFLEELEIDASDLQSYEPKSLKSIQNVSHLILHMKQHILLLEIFVDVTSSVECLELRDTDLDTFHFSELSTGETNSLIKKFTFRNVKITDESLFQVMKLLNQISGLLELEFDDCTLNGVGNFRASDNDRVIDPGKVETLTIRRLHIPRFYLFYDLSTLYSLTERVKRITVENSKVFLVPCLLSQHLKSLEYLDLSENLMVEEYLKNSACEDAWPSLQTLILRQNHLASLEKTGETLLTLKNLTNIDISKNSFHSMPETCQWPEKMKYLNLSSTRIHSVTGCIPKTLEILDVSNNNLNLFSLNLPQLKELYISRNKLMTLPDASLLPMLLVLKISRNAITTFSKEQLDSFHTLKTLEAGGNNFICSCEFLSFTQEQQALAKVLIDWPANYLCDSPSHVRGQQVQDVRLSVSECHR

  • Predicted Molecular Mass

    65.5 kDa

  • Molecular Weight

    Approximately 60-68 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

    ≥ 85%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM Tris, 500 mM NaCl, pH 7.5, 10% Glycerol, 5% trehalose, 5% mannitol and 0.01% Tween 80 or 20mM Tris, 300mM NaCl, 10% Glycerol, pH7.5, 5% Trehalose, 5% Mannitol, 0.01% Tween-80.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

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.

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)
×
Volume (final) Volume (final)
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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