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Irisin Human E. coli

  • Regulatory status:RUO
  • Type:Recombinant protein
  • Source:E. coli
  • Other names:Fibronectin Type III Domain-containing Protein 5, Fibronectin Type III Repeat-containing Protein 2, FNDC5
  • Species:Human
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Cat. No. Size Price


RD172359100 0.1 mg
PubMed Product Details
Technical Data

Type

Recombinant protein

Description

Total 122 AA. MW: 13.8 kDa (calculated). UniProtKB acc.no. Q8NAU1 (Asp32-Glu143). N-terminal His-tag (10 extra AA). Protein identity confirmed by LC-MS/MS.

Amino Acid Sequence

MKHHHHHHASDSPSAPVNVTVRHLKANSAVVSWDVLEDEVVIGFAISQQKKDVRMLRFIQEVNTTTRSCALWDLEEDTEYIVHVQAISIQGQSPASEPVLFKTPREAEKMASKNKDEVTMKE

Source

E. coli

Purity

Purity as determined by densitometric image analysis: > 95%

SDS-PAGE Gel

14 % SDS-PAGE separation of Human Irisin:
1. M.W. marker – 14, 21, 31, 45, 66, 97 kDa
2. reduced and boiled sample, 2.5 μg/lane
3. non-reduced and non-boiled sample, 2.5 μg/lane

Endotoxin

< 1.0 EU/ug

Formulation

Filtered (0.4 μm) and lyophilized from 0.5 mg/mL solution in phosphate buffered saline.

Reconstitution

Add 200 µl of deionized water to prepare a working stock solution of approximately 0.5 mg/ml and let the lyophilized pellet dissolve completely. Filter sterilize your culture media/working solutions containing this non-sterile product before using in cell culture.

Applications

Western blotting, ELISA

Shipping

At ambient temperature. Upon receipt, store the product at the temperature recommended below.

Storage/Expiration

Store the lyophilized protein at –80 °C. Lyophilized protein remains stable until the expiry date when stored at –80 °C. Aliquot reconstituted protein to avoid repeated freezing/thawing cycles and store at –80 °C for long term storage. Reconstituted protein can be stored at 4 °C for a week.

Quality Control Test

BCA to determine quantity of the protein.

SDS PAGE to determine purity of the protein.

LAL to determine quantity of endotoxin.

Note

This product is intended for research use only.

Summary

Research topic

Energy metabolism and body weight regulation

Summary

Irisin is a recently described exercise-induced hormone secreted by skeletal muscle in mice and humans. Irisin activates beige fat cells (beige cells have a gene expression pattern distinct from either white or brown fat and are preferentially sensitive to the polypeptide hormone Irisin). Irisin is cleaved from the type I membrane protein FNDC5 and improves systemic metabolism by increasing energy expenditure. Circulating irisin levels were shown to be upregulated after acute exercise. Increase of irisin under conditions of obesity may indicate a physiological function to improve glucose tolerance.

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