重組小鼠白介素-2(rmIL-2)
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- 更新時間: 2024-05-23
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產品介紹
CYT-370 | 重組小鼠白介素-2(rmIL-2) | 5μg/20μg/1mg | Prospec |
Description : | |
Recombinant Murine IL-2 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 149 amino acids and having a molecular mass of 17231 Dalton. The Recombinant Murine IL-2 is purified by proprietary chromatographic techniques. | |
Physical Appearance: | |
Sterile Filtered White lyophilized (freeze-dried) powder. | |
Formulation: | |
The protein (1mg/ml) was lyophilized after extensive dialysis against 10mM sodium citrate buffer to a pH=4. | |
Solubility: | |
It is recommended to reconstitute the lyophilized Murine IL-2 in sterile 20mM AcOH not less than 100µg/ml, which can then be further diluted to other aqueous solutions. | |
Stability: | |
Lyophilized Recombinant Murine IL-2 although stable at room temperature for 3 weeks, should be stored desiccated below -180C. Upon reconstitution Murine IL-2 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 98.0% 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 Ala-Pro-Thr-Ser-Ser. | |
Dimers and aggregates: | |
Less than 1% as determined by silver-stained SDS-PAGE gel analysis. | |
Biological Activity: | |
ProSpec’s Recombinant Murine IL-2 is fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of murine CTLL-2 cells is < 0.2 ng/ml, corresponding to a Specific Activity of 5 MIU/mg. | |
Endotoxin: | |
Less than 0.1 ng/µg (IEU/µg) of Murine IL-2. | |
Protein content: | |
Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.482 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 calibrated solution of IL-2 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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