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人 EF1B / EEF1B2 基因ORF全长cDNA克隆(表达载体), C-HA 标签

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Human EEF1B2 cDNA Clone产品信息
NCBI注册码:BC000211
参考序列ORF长度:678bp
cDNA基因描述:Full length Clone DNA of Homo sapiens eukaryotic translation elongation factor 1 beta 2 with C terminal HA tag.
分子别称:EF1B, EEF1B, EEF1B1
分子种属:Human
载体:pCMV3-C-HA
质粒:
限制性酶切位点:
Tag序列:HA Tag Sequence: TATCCTTACGACGTGCCTGACTACGCC
序列信息:
测序引物:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
启动子:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
抗生素(大肠杆菌):Kanamycin
抗生素(哺乳动物细胞):Hygromycin
运输方式:Each tube contains lyophilized plasmid.
储存方法:The lyophilized plasmid can be stored at room temperature for three months.
HA Tag Info

Human influenza hemagglutinin (HA) is a surface glycoprotein required for the infectivity of the human virus. The HA tag is derived from the HA-molecule corresponding to amino acids 98-106 has been extensively used as a general epitope tag in expression vectors. Many recombinant proteins have been engineered to express the HA tag, which does not appear to interfere with the bioactivity or the biodistribution of the recombinant protein. This tag facilitates the detection, isolation, and purification of the proteins.

The actual HA tag is as follows: 5' TAC CCA TAC GAT GTT CCA GAT TAC GCT 3' or 5' TAT CCA TAT GAT GTT CCA GAT TAT GCT 3' The amino acid sequence is: YPYDVPDYA.

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研究背景

EF1B, also known as EEF1B2, is a translation elongation factor. It belongs to the EF-1-beta/EF-1-delta family. Elongation factors are a set of proteins that are used in protein synthesis in the cell. In the ribosome, they facilitate translational elongation, from the formation of the first peptide bond to the formation of the last one. EF1B is more complex in eukaryotes than in bacteria, and consists of three subunits: EF1B-alpha, EF1B-gamma and EF1B-beta. EF1B contains 1 GST C-terminal domain. It is involved in the transfer of aminoacylated tRNAs to the ribosome. EF1B is required to regenerate EF1A from its inactive form (EF1A-GDP) to its active form (EF1A-GTP). EF1A is then ready to interact with a new aminoacyl-tRNA to begin the cycle again.

参考资料
  • Pizzuti A. et al., 1994, Biochem Biophys Res Commun. 197 (1): 154-62.
  • Rual. et al., 2005, Nature. 437 (7062): 1173-8.
  • Stelzl. et al., 2005, Cell. 122 (6): 957-68.
  • Sang Lee. et al., 2002, Biochem Biophys Res Commun. 291 (1): 158-64.
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