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The creation of the recombinant Human PSME3 protein is achieved through genetic engineering techniques. A specific DNA sequence coding for the Human PSME3 protein (2-254aa) is integrated into an expression vector, which serves as a carrier for gene expression. This vector is then introduced into e.coli cells, which are cultured to facilitate the expression of the desired protein. The protein is fused with a N-terminal 10xHis tag and C-terminal Myc tag. The recombinant Human PSME3 protein is subsequently purified using affinity purification, resulting in a purity level exceeding 90%, as verified by SDS-PAGE analysis.
The creation of the recombinant Human PSME3 protein is achieved through genetic engineering techniques. A specific DNA sequence coding for the Human PSME3 protein (2-254aa) is integrated into an expression vector, which serves as a carrier for gene expression. This vector is then introduced into e.coli cells, which are cultured to facilitate the expression of the desired protein. The protein is fused with a N-terminal 10xHis tag and C-terminal Myc tag. The recombinant Human PSME3 protein is subsequently purified using affinity purification, resulting in a purity level exceeding 90%, as verified by SDS-PAGE analysis.
| Cat.No | ACP00991 | Target Name | PSME3 |
|---|---|---|---|
| Form | Liquid or Lyophilized powder | Expression System | E.coli |
| Expression Range | 2-254aa | Mol Weight | 36.8 kDa |
| Protein Length | Full Length of Mature Protein | Purity | Greater than 90% as determined by SDS-PAGE. |
| Storage Buffer | 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, Liquid form: default storage buffer is Tris/PBS-based buffer, pH 8.0. |
| Target Species | Human | Uniprot ID | P61289 |
|---|
Uniprot Id
P61289
Target Species
Human
Target Name
PSME3
Target Full Name
Proteasome activator complex subunit 3
Target Function
Subunit of the 11S REG-gamma (also called PA28-gamma) proteasome regulator, a doughnut-shaped homoheptamer which associates with the proteasome. 11S REG-gamma activates the trypsin-like catalytic subunit of the proteasome but inhibits the chymotrypsin-like and postglutamyl-preferring (PGPH) subunits. Facilitates the MDM2-p53/TP53 interaction which promotes ubiquitination- and MDM2-dependent proteasomal degradation of p53/TP53, limiting its accumulation and resulting in inhibited apoptosis after DNA damage. May also be involved in cell cycle regulation. Mediates CCAR2 and CHEK2-dependent SIRT1 inhibition.
Target Subcellular Location
Nucleus. Cytoplasm.
Target Protein Families
PA28 family
Target Research Area
Apoptosis
Target Synonyms
11S regulator complex gamma subunit; 11S regulator complex subunit gamma; Activator of multicatalytic protease subunit 3; Ki; Ki antigen; Ki nuclear autoantigen; Ki, PA28 gamma; PA28 gamma; PA28g; PA28gamma; Proteasome (prosome, macropain) activator subunit 3 (PA28 gamma, Ki); Proteasome (prosome, macropain) activator subunit 3; Proteasome activator 28 gamma; Proteasome activator 28 subunit gamma; Proteasome activator complex subunit 3; Proteasome activator subunit 3; PSME3; PSME3_HUMAN; REG GAMMA; REG-gamma
Target Background
The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. The immunoproteasome contains an alternate regulator, referred to as the 11S regulator or PA28, that replaces the 19S regulator. Three subunits (alpha, beta and gamma) of the 11S regulator have been identified. This gene encodes the gamma subunit of the 11S regulator. Six gamma subunits combine to form a homohexameric ring. Alternate splicing results in multiple transcript variants.
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