重组人白介素-1受体拮抗剂 His(IL-1RA)

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IL 1RA Human His
Interleukin-1 Receptor Antagonist Human Recombinant, His Tag
Catalog No. CYT-481 
Synonyms:
IRAP, IL1F3, IL1RA; IL-1ra3, ICIL-1RA, IL1RN, IL1 inhibitor, IL-1ra, MGC10430.

Introduction:
IL-1Ra is the natural antagonist of the pro-inflammatory cytokines Interleukin-1α and Interleukin-1β. IL-1Ra is produced by a variety of cells including monocytes, macrophages, neutrophils and fibroblasts in response to the binding of various pro-inflammatory cytokines.

Description:
IL1Ra Human Recombinant produced in E.Coli is single, a non-glycosylated, Polypeptide chain containing 152 amino acids fragment (26-177) and having a total molecular mass of 21.63kDa with an amino-terminal hexahistidine tag.
The IL-1Ra His is purified by proprietary chromatographic techniques.

Source:
Escherichia Coli.

Physical Appearance:
Sterile Filtered clear solution.

Formulation:
Interleukin-1Ra His-tag protein is supplied in 20mM Tris HCl (pH 8) and 50% glycerol.

Stability:
Store at 4°C if entire vial will be used within 2-4 weeks.
Store, frozen at -20°C for longer periods of time.
Please avoid freeze thaw cycles.

Purity:
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Usage:
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. 
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