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Human ENSA ORF mammalian expression plasmid, N-His tag

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Human ENSA cDNA Clone Product Information
Gene_bank_ref_id:BC000436
RefSeq ORF Size:366bp
cDNA Description:Full length Clone DNA of Homo sapiens endosulfine alpha with N terminal His tag.
Gene Synonym:RP11-54A4.10-004, ARPP-19e, MGC4319, MGC78563, MGC8394, ENSA
Species:Human
Vector:pCMV3-N-His
Plasmid:
Restriction Site:
Tag Sequence:His Tag Sequence: CACCATCACCACCATCATCACCACCATCAC
Sequence Description:
Sequencing primers:T7(TAATACGACTCACTATAGGG) BGH(TAGAAGGCACAGTCGAGG)
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Kanamycin
Antibiotic in mammalian cell:Hygromycin
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room temperature for three months.
His Tag Info

A polyhistidine-tag is an amino acid motif in proteins that consists of at least five histidine (His) residues, often at the N- or C-terminus of the protein.

Polyhistidine-tags are often used for affinity purification of polyhistidine-tagged recombinant proteins expressed in Escherichia coli and other prokaryotic expression systems.

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Background

Endosulfine alpha, also known as ENSA, belongs to the endosulfine family. It is a highly conserved cAMP-regulated phosphoprotein (ARPP) family. Endosulfine alpha is widely expressed with high levels in skeletal muscle and brain and lower levels in the pancreas. As a protein phosphatase inhibitor, ENSA specifically inhibits protein phosphatase 2A (PP2A) during mitosis. When phosphorylated at Ser-67 during mitosis, specifically interacts with PPP2R2D (PR55-delta) and inhibits its activity, leading to inactivation of PP2A, an essential condition to keep cyclin-B1-CDK1 activity high during M phase By similarity. Endosulfine alpha also acts as a stimulator of insulin secretion by interacting with sulfonylurea receptor (ABCC8), thereby preventing sulfonylurea from binding to its receptor and reducing K(ATP) channel currents.

References
  • Ye M. et al., 2001, Genome Res. 10 (10): 1546-60.
  • Apiou F. et al., 1999, Diabetes 48 (9): 1873-6.
  • Lennon G. et al., 1997, Genome Res. 6 (9): 791-806.
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    Catalog: HG14321-NH
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