Alpha 1-Microglobulin Protein, Human (HEK293, His)

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Alpha 1-Microglobulin Protein, Human (HEK293, His) is a recombinant human macroglobulin with His tag produced by HEK293-expressed. Alpha 1-Microglobulin is a lipocalin with immunosuppressive properties.

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
  • References
  • Help & FAQs

Biological Activity

Description

Alpha 1-Microglobulin Protein, Human (HEK293, His) is a recombinant human macroglobulin with His tag produced by HEK293-expressed. Alpha 1-Microglobulin is a lipocalin with immunosuppressive properties[1].

Background

Alpha 1-Microglobulin has a yellow-brown color and is size and charge heterogeneous. This is caused by an array of small chromophore prosthetic groups, attached to amino acid residues at the entrance of the lipocalin pocket. A gene in the lipocalin cluster encodes Alpha 1-Microglobulin together with a Kunitz-type proteinase inhibitor, bikunin. The gene is translated into the Alpha 1-Microglobulin-bikunin precursor, which is subsequently cleaved and the two proteins secreted to the blood separately. Alpha 1-Microglobulin is found in blood and in connective tissue in most organs[1].

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • AMBP (G20-V203)
      Accession # P02760
    • 6*His
    • C-term
  • Protein Length

    Full Length of Alpha-1-microglobulin Chain

  • Synonyms

    AMBP; HI30; Prev. ITIL; Complex-Forming Glycoprotein Heterogeneous In Charge; Prev. ITI; Inter-Alpha-Trypsin Inhibitor Light Chain; HCP; Growth-Inhibiting Protein 19; Protein AMBP; Uronic-Acid-Rich Protein; Protein HC; Trypstatin; IATIL; Uristatin; ITILC;

  • AA Sequence

    GPVPTPPDNIQVQENFNISRIYGKWYNLAIGSTCPWLKKIMDRMTVSTLVLGEGATEAEISMTSTRWRKGVCEETSGAYEKTDTDGKFLYHKSKWNITMESYVVHTNYDEYAIFLTKKFSRHHGPTITAKLYGRAPQLRETLLQDFRVVAQGVGIPEDSIFTMADRGECVPGEQEPEPILIPRV

  • Predicted Molecular Mass

    21.9 kDa

  • Molecular Weight

    Approximately 33 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

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

Product Properties

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 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.

References

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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