Name: Streptavidin（鏈霉親和素）
Description: Streptavidin Recombinant （重組鏈霉親和素） Pricings: 5mg (RMB 500.00), 20mg (RMB 1080.00), 100mg (RMB 3280.00), 1g (RMB 24000.00) Shipped: At Room Temperature Catalogue Number: PRO-rSA001 INTRODUCTION Streptavidin is a tetrameric protein secreted by Streptomyces avidinii which binds firmly to biotin. Streptavidin is widely used in molecular biology through its unique high affinity for the vitamin biotin. The dissociation constant (Kd) of the biotinstreptavidin complex is about ~1015 mol/L. The strong affinity recognition of biotin and biotinylated molecules has made streptavidin one of the most important components in diagnostics and laboratory kits. The streptavidin/biotin system has one of the biggest free energies of association of yet observed for noncovalent binding of a protein and small ligand in aqueous solution (K_assoc = 1014). The complexes are also extremely stable over a wide range of temperature and pH. DESCRIPTION Streptavidin Streptomyces Avidinii Recombinant produced in E.Coli. The molecular weight per tetramer is approximately 52kDa. SOURCE Escherichia Coli. PHYSICAL APPEARANCE Sterile Filtered White lyophilized (freezedried) powder. FORMULATION Lyophilized in 10mM potassium phosphate buffer pH 6.5. SOLUBILITY It is recommended to reconstitute the lyophilized Streptavidin in sterile 18MΩ-cm H2O not less than 0.5 mg/ml, which can then be further diluted to other aqueous solutions. STABILITY Streptavidin is shipped at ambient temperature, upon arrival store at 20 ℃. PURITY Greater than 98.0% as determined by SDS-PAGE and HPLC. SPECIFIC ACTIVITY > 17U/mg (one unit binds 1 μg Dbiotin at pH 8.9). PROTEOLYTIC ACTIVITY < 10 U/mg protein (25 °C, 24 h, pH 8.0). AMINO ACID SEQUENCE MAEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQY
VGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAAS. USAGE PuriMag’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. 部分客戶使用該產品相關文獻： 1. Hailiang Sun, Jiate Lin, Zhiting Liu, Yanan Yu, Meihua Wu, Shuo Li, Yang Liu, Yaling Feng, Yuqian Wu, Mingliang Li, Peirong Jiao, Kaijian Luo and Ming Liao. Genetic, Molecular, and Pathogenic Characterization of the H9N2 Avian Influenza Viruses Currently Circulating in South China, Viruses 2019, 11(11), 1040 （鏈霉親和素包覆多孔板）
2. Yang Liu, Shuo Li, Huapeng Sun, Liangqi Pan, Xinxin Cui, Xuhui Zhu, Yaling Feng, Mingliang Li, Yanan Yu, Meihua Wu, Jiate Lin, Fengxiang Xu, Shaohua Yuan, Shujian Huang, Hailiang Sun and Ming Liao. Variation and Molecular Basis for Enhancement of Receptor Binding of H9N2 Avian Influenza Viruses in China Isolates, Front. Microbiol., 17 December 2020, https://doi.org/10.3389/fmicb.2020.602124 （鏈霉親和素包覆多孔板）
3. Meihua Wu, et al. Molecular Characteristics, Antigenicity, Pathogenicity, and Zoonotic Potential of a H3N2 Canine Influenza Virus Currently Circulating in South China, Front. Microbiol., 09 March 2021, doi: 10.3389/fmicb.2021.628979 （鏈霉親和素包覆多孔板）
4. 林嘉特. 2017～2019年華南地區H9N2 AIV對哺乳動物的致病性研究[D]. 華南農業大學, 2020. DOI:10.27152/d.cnki.ghanu.2020.000966.（鏈霉親和素包覆多孔板）
5. 于亞南. 2017～2019年廣東省豬流感病毒遺傳演化、受體特性及致病性分析[D]. 華南農業大學, 2020. DOI:10.27152/d.cnki.ghanu.2020.001531.（鏈霉親和素包覆多孔板）
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