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Description :Recombinant human GNAI3 (2-end) was expressed in E.coli cells using an N-terminal GST tag.
Tag :GST tag
Genbank Number :NM_006496
Specific Activity :Sample Kinase Activity Plot. For specific information on a given lot, see related technical data sheet.
Purity :Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability, and Shipping :Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
Applications :Enzyme Assay
Molecular Weight :65 kDa
Gene Aliases :87U6; ARCND1
Scientific Background :Guanine nucleotide-binding proteins (G proteins) are heterotrimeric signal-transducing molecules consisting of alpha, beta, and gamma subunits, and function as transducers downstream of G protein-coupled receptors (GPCRs) in numerous signaling cascades. The alpha subunit binds guanine nucleotide, can hydrolyze GTP, and can interact with other proteins. G protein subunit alpha i3 (GNAI3) stimulates the activity of receptor-regulated K+ channels. The active GTP-bound form prevents the association of RGS14 with centrosomes and is required for the translocation of RGS14 from the cytoplasm to the plasma membrane. May play a role in cell division.
1. Mattera R, et al: Recombinant alpha i-3 subunit of G protein activates Gk-gated K+ channels. J Biol Chem. 1989 Jan 5;264(1):465-71.
2. Cho H, et al: Localization of Gi alpha proteins in the centrosomes and at the midbody: implication for their role in cell division. J Cell Biol. 2007 Jul 16;178(2):245-55.
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