1. Recombinant Proteins
  2. Cytokines and Growth Factors
  3. MIF Protein, Human (N-His)

MIF Protein, Human (N-His)

Cat. No.: HY-P70288A
COA Handling Instructions

The MIF protein is a pro-inflammatory cytokine that is critical for the innate immune response against bacterial pathogens. Its presence at sites of inflammation suggests a role in modulating macrophage function to promote host defense. MIF Protein, Human (N-His) is the recombinant human-derived MIF protein, expressed by E. coli , with N-6*His labeled tag. The total length of MIF Protein, Human (N-His) is 115 a.a., with molecular weight of approximately 11.67 kDa.

For research use only. We do not sell to patients.

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2 μg $35 In-stock
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50 μg $230 In-stock
100 μg $420 In-stock
500 μg $1200 In-stock
1 mg $2000 In-stock
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  • Biological Activity

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Description

The MIF protein is a pro-inflammatory cytokine that is critical for the innate immune response against bacterial pathogens. Its presence at sites of inflammation suggests a role in modulating macrophage function to promote host defense. MIF Protein, Human (N-His) is the recombinant human-derived MIF protein, expressed by E. coli , with N-6*His labeled tag. The total length of MIF Protein, Human (N-His) is 115 a.a., with molecular weight of approximately 11.67 kDa.

Background

MIF Protein is a pro-inflammatory cytokine that plays a crucial role in the innate immune response against bacterial pathogens. Its expression at sites of inflammation suggests its involvement in regulating macrophage function in host defense. MIF counteracts the anti-inflammatory effects of glucocorticoids. Although MIF has phenylpyruvate tautomerase and dopachrome tautomerase activity in vitro, the physiological substrate of MIF is still unknown. It remains unclear whether the tautomerase activity is relevant to its cytokine activity.

Biological Activity

Measured by its ability to inhibit THP-1 human acute monocyte migration. The ED50 this effect is 2.318 ng/mL, corresponding to a specific activity is 4.314×105 U/mg.

Species

Human

Source

E. coli

Tag

N-6*His

Accession

P14174 (M1-A115)

Gene ID
Molecular Construction
N-term
6*His
MIF (M1-A115)
Accession # P14174
C-term
Synonyms
rHuMacrophage migration inhibitory factor/MIF, His; Macrophage migration inhibitory factor; MIF; MMIF; Glycosylation-inhibiting factor; GLIF; L-dopachrome tautomerase; Phenylpyruvate tautomerase
AA Sequence

MPMFIVNTNVPRASVPDGFLSELTQQLAQATGKPPQYIAVHVVPDQLMAFGGSSEPCALCSLHSIGKIGGAQNRSYSKLLCGLLAERLRISPDRVYINYYDMNAANVGWNNSTFA

Molecular Weight

approximately 11.67 kDa

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, 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. 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.

Documentation

MIF Protein, Human (N-His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

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

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

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
MIF Protein, Human (N-His)
Cat. No.:
HY-P70288A
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