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Product Name
Phospho-Proteasome α3 (Ser250) Rabbit pAb
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Gene ID
5684
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SwissProt ID
P25788
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Gene Name
PSMA3
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Alternative Names
EC 3.4.25.1; Macropain subunit C8; Multicatalytic endopeptidase complex subunit C8; proteasome component C8; Proteasome subunit alpha type 3; PSA3; PSC8
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Background
Component of the 20S core proteasome complex involved in the proteolytic degradation of most intracellular proteins. This complex plays numerous essential roles within the cell by associating with different regulatory particles. Associated with two 19S regulatory particles, forms the 26S proteasome and thus participates in the ATP-dependent degradation of ubiquitinated proteins. The 26S proteasome plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins that could impair cellular functions, and by removing proteins whose functions are no longer required. Associated with the PA200 or PA28, the 20S proteasome mediates ubiquitin-independent protein degradation. This type of proteolysis is required in several pathways including spermatogenesis (20S-PA200 complex) or generation of a subset of MHC class I-presented antigenic peptides (20S-PA28 complex). Binds to the C-terminus of CDKN1A and thereby mediates its degradation. Negatively regulates the membrane trafficking of the cell-surface thromboxane A2 receptor (TBXA2R) isoform 2.
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Research Field
Cell Biology
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Product Categories
Primary antibody
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Host
Rabbit
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Reactivity
Human,Mouse,Rat
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Application
WB
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Dilution Ratio
WB: 1/500-1/3000
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Molecular Weight
Calculated MW: 28 kDa
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Clonality
Polyclonal Antibody
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Isotype
IgG
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Immunogen
The antiserum was produced against synthesized phosphopeptide derived from human Proteasome α3 around the phosphorylation site of serine 250 (D-E-SP-D-D).
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Purification
Affinity Purified
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Conjugation
Unconjugated
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Modification
Phosphorylated
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Form
liquid
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Buffer System
Rabbit IgG in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
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Storage
Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze/thaw cycles.