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分子别名（Synonym）
Elongation Factor 4
表达区间及表达系统（Source）
E. coli Elongation Factor 4 Protein, His Tag (EF4-E5143) is expressed from E. coli cells. It contains AA Lys 2 - Lys 599 (Accession # C4ZYJ2).
Predicted N-terminus: Met
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the N-terminus.
The protein has a calculated MW of 68.5 kDa. The protein migrates as 65-80 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE).
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Supplied as 0.2 μm filtered solution in PBS, 0.5 M NaCl, 1 M Arginine, pH7.4 with glycerol as protectant.
Contact us for customized product form or formulation.
运输（Shipping）
This product is supplied and shipped with dry ice, please inquire the shipping cost.
存储（Storage）
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- The product MUST be stored at -70°C or lower upon receipt;
- -70°C for 3 months under sterile conditions.
质量管理控制体系（QMS）
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数据展示
电泳（SDS-PAGE）
E. coli Elongation Factor 4 Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
活性（Bioactivity）
The specific activity of Elongation Factor 4 was determined to be > 1700 pmol/min/mg in a GTPase-Glo assay using GTP solution substrate (QC tested).
Protocol
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