TDT Protein, Human (His)

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TDT protein, a template-independent DNA polymerase, non-specifically adds deoxynucleoside 5'-triphosphates to the 3'-end of a DNA initiator. It crucially contributes to in vivo processes, particularly adding nucleotides at the junction (N region) of rearranged Ig heavy chain and T-cell receptor gene segments during B- and T-cell maturation. TDT Protein, Human (His) is the recombinant human-derived TDT protein, expressed by E. coli , with N-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • 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

TDT protein, a template-independent DNA polymerase, non-specifically adds deoxynucleoside 5'-triphosphates to the 3'-end of a DNA initiator. It crucially contributes to in vivo processes, particularly adding nucleotides at the junction (N region) of rearranged Ig heavy chain and T-cell receptor gene segments during B- and T-cell maturation. TDT Protein, Human (His) is the recombinant human-derived TDT protein, expressed by E. coli , with N-6*His labeled tag.

Background

The TDT protein is a template-independent DNA polymerase that carries out the non-specific addition of deoxynucleoside 5'-triphosphate to the 3'-end of a DNA initiator. One of its important roles in vivo is adding nucleotides at the junction (N region) of rearranged Ig heavy chain and T-cell receptor gene segments during the maturation process of B- and T-cells.

Verified Bioactivity

The enzyme activity of this recombinant protein is testing in progress, we cannot offer a guarantee yet.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag N-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • 6*His
    • TDT (M1-A509)
      Accession # P04053
    • C-term
  • Protein Length

    Full Length

  • Synonyms

    DNTT; Terminal Transferase; DNA Nucleotidylexotransferase; Nucleosidetriphosphate:DNA Deoxynucleotidylexotransferase; TDT; Terminal Deoxyribonucleotidyltransferase; Terminal Deoxynucleotidyltransferase; Deoxynucleotidyltransferase, Terminal; Terminal Addi

  • AA Sequence

    MDPPRASHLSPRKKRPRQTGALMASSPQDIKFQDLVVFILEKKMGTTRRAFLMELARRKGFRVENELSDSVTHIVAENNSGSDVLEWLQAQKVQVSSQPELLDVSWLIECIRAGKPVEMTGKHQLVVRRDYSDSTNPGPPKTPPIAVQKISQYACQRRTTLNNCNQIFTDAFDILAENCEFRENEDSCVTFMRAASVLKSLPFTIISMKDTEGIPCLGSKVKGIIEEIIEDGESSEVKAVLNDERYQSFKLFTSVFGVGLKTSEKWFRMGFRTLSKVRSDKSLKFTRMQKAGFLYYEDLVSCVTRAEAEAVSVLVKEAVWAFLPDAFVTMTGGFRRGKKMGHDVDFLITSPGSTEDEEQLLQKVMNLWEKKGLLLYYDLVESTFEKLRLPSRKVDALDHFQKCFLIFKLPRQRVDSDQSSWQEGKTWKAIRVDLVLCPYERRAFALLGWTGSRQFERDLRRYATHERKMILDNHALYDKTKRIFLKAESEEEIFAHLGLDYIEPWERNA

  • Predicted Molecular Mass

    60.7 kDa

  • Molecular Weight

    Approximately 62 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Solution

Formulation

Supplied as a 0.22 μm filtered solution of 0.1 M KH2PO4, 200 mM KCl, 1 mM 2-Mercaptoethanol, 50% glycerol, pH 7.2.

Endotoxin Level

<1 EU/μg, determined by LAL method.

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

Volume (to add to vial) Volume (to add to vial)
=
Mass (in vial) Mass (in vial)
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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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