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產品詳情

CYT-371

重組小鼠白介素-3（rmIL-3）

2μg/10μg/1mg

Prospec

Background :
	Interleukin-3 （IL-3） is a cytokine produced by activated T-cells and mast cells that is active on a broad range of hematopoietic cells and in the nervous system and appears to be important in several chronic inflammatory diseases
	Description :
	Recombinant murine IL-3 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 135 amino acids and having a molecular mass of 15100 Dalton. Recombinant Murine IL-3 is purified by proprietary chromatographic techniques.
	Physical Appearance:
	Sterile Filtered White lyophilized （freeze-dried） powder.
	Formulation:
	Interleukin-3 is lyophilized from a concentrated （1mg/ml） solution in water containing no additives.
	Solubility:
	It is recommended to reconstitute the lyophilized IL-3 in sterile 18MΩ-cm H₂O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
	Stability:
	Lyophilized IL-3 although stable at room temperature for 3 weeks, should be stored desiccated below -18⁰C. Upon reconstitution Interleukin-3 should be stored at 4⁰C between 2-7 days and for future use below -18⁰C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please avoid freeze-thaw cycles.
	Purity:
	Greater than 97.0% as determined by: （a） Analysis by RP-HPLC. （b） Anion-exchange FPLC. （c） Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel.
	Amino acid sequence:
	The sequence of the first five N-terminal amino acids was determined and was found to be Met-Asp-Thr-His-Arg.
	Dimers and aggregates:
	Less than 1% as determined by silver-stained SDS-PAGE gel analysis.
	Biological Activity:
	ProSpec’s Murine IL-3 is fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of murine M-NFS-60 cells is < 0.05 ng/ml, corresponding to a Specific Activity of 2 x 10⁷ IU/mg.
	Endotoxin:
	Less than 0.1 ng/µg （IEU/µg） of Recombinant IL-3.
	Protein content:
	Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.154 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequences （InliGenetics）. 2. Analysis by RP-HPLC, using a standard solution of Murine IL-3 as a Reference Standard.
	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.

佰易聚生物商城提供美國光譜醫學透析袋，wako生化試劑，amresco生化試劑，sigma生化試劑，優質的分子生物學試劑和試劑盒、培養基本和培養耗材、細胞因子和細胞分離液、抗體和elisa試劑盒及常用生物試劑等,大量現貨火爆*,歡迎登錄 www.ebioeasy.com或者,，洽談選購！

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上一篇：重組人糖基化白介素-3（rHuIL-3-Sf9）
下一篇：重組大鼠白介素-3（rrIL-3）

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