Serpin E2 Protein, Human (HEK293, His)

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Serpin E2 is a serine protease inhibitor that inhibits thrombin, trypsin, and urokinase. Its unique role in promoting neurite extension involves specific inhibition of thrombin activity. Serpin E2 Protein, Human (HEK293, His) is the recombinant human-derived Serpin E2 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 -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

Serpin E2 is a serine protease inhibitor that inhibits thrombin, trypsin, and urokinase. Its unique role in promoting neurite extension involves specific inhibition of thrombin activity. Serpin E2 Protein, Human (HEK293, His) is the recombinant human-derived Serpin E2 protein, expressed by HEK293 , with C-6*His labeled tag.

Background

Serpin E2, a serine protease inhibitor, exhibits inhibitory activity towards thrombin, trypsin, and urokinase. Notably, it plays a role in promoting neurite extension by specifically inhibiting thrombin activity. Through its interactions with thrombin, serpin E2 contributes to the regulation of proteolytic processes involved in various cellular functions. Additionally, the protein demonstrates binding affinity for heparin, suggesting its involvement in interactions with glycosaminoglycans and potentially modulating its activity in the context of cellular signaling or other biological processes.

Verified Bioactivity

Measured by its ability to inhibit trypsin cleavage of a fluorogenic peptide substrate Mca-RPKPVE-Nval-WRK(Dnp)-NH2 at room temperature for 30 minutes. The IC50 value is 0.306 nM.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • Serpin E2 (S20-P397)
      Accession # P07093-2
    • 6*His
    • C-term
  • Protein Length

    Full Length of Isoform-2 Mature Protein

  • Synonyms

    SERPINE2; Serpin E2; Prev. PI7; PI-7; PN1; PN-1; GDN; Serine (Or Cysteine) Proteinase Inhibitor, Clade E (Nexin, Plasminogen Activator Inhibitor Type 1), Member 2; PNI; Glial-Derived Neurite Promoting Factor; Serpin Peptidase Inhibitor, Clade E (Nexin, Pl

  • AA Sequence

    SHFNPLSLEELGSNTGIQVFNQIVKSRPHDNIVISPHGIASVLGMLQLGADGRTKKQLAMVMRYGVNGVGKILKKINKAIVSKKNKDIVTVANAVFVKNASEIEVPFVTRNKDVFQCEVRNVNFEDPASACDSINAWVKNETRDMIDNLLSPDLIDGVLTRLVLVNAVYFKGLWKSRFQPENTKKRTFVAADGKSYQVPMLAQLSVFRCGSTSAPNDLWYNFIELPYHGESISMLIALPTESSTPLSAIIPHISTKTIDSWMSIMVPKRVQVILPKFTAVAQTDLKEPLKVLGITDMFDSSKANFAKITRSENLHVSHILQKAKIEVSEDGTKASAATTAILIARSSPPWFIVDRPFLFFIRHNPTGAVLFMGQINKP

  • Molecular Weight

    Approximately 50 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

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

Product Properties

Appearance

Solution

Formulation

1.Supplied as a 0.22 μm filtered solution of 20 mM PB, 150 mM NaCl, 10% glycerol, 8% sucrose, 0.05% Tween 80, pH 7.0.
2.Supplied as a 0.22 μm filtered solution of 20 mM NaAc, 150 mM NaCl, pH 5.0, 10% glycerol.
Please refer to the lot-specific COA for specific buffer information.

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)
÷
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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