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| Reactivity: | Human |
| Applications: | WB, IF/IC, IP, ELISA |
| Host Species: | Rabbit |
| Isotype: | IgG |
| Clonality: | Polyclonal antibody |
| Gene Name: | proteasome 26S subunit, ATPase 3 |
| Gene Symbol: | PSMC3 |
| Synonyms: | RPT5; TBP1; DCIDP; PSMC3 |
| Gene ID: | 5702 |
| UniProt ID: | P17980 |
| Immunogen: | Recombinant fusion protein containing a sequence corresponding to amino acids 1-180 of human PSMC3 (NP_002799.3). |
| Dilution: | WB 1:500-1:2000; IF/IC 1:50-1:200 |
| Purification Method: | Affinity purification |
| Concentration: | 0.46 mg/ml |
| Buffer: | PBS with 0.02% sodium azide, 50% glycerol, pH7.3. |
| Storage: | Store at -20°C. Avoid freeze/thaw cycles. |
| Documents: | Manual-PSMC3 antibody |
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. This gene encodes one of the ATPase subunits, a member of the triple-A family of ATPases that have chaperone-like activity. This subunit may compete with PSMC2 for binding to the HIV tat protein to regulate the interaction between the viral protein and the transcription complex. A pseudogene has been identified on chromosome 9.
Images
 | Western blot analysis of various lysates using PSMC3 Rabbit pAb (A13345) at 1:1000 dilution. Secondary antibody: HRP-conjugated Goat anti-Rabbit IgG (H+L) (AS014) at 1:10000 dilution. Lysates/proteins: 25μg per lane. Blocking buffer: 3% nonfat dry milk in TBST. |
 | Immunofluorescence analysis of U2OS cells using PSMC3 Rabbit pAb (A13345). Secondary antibody: Cy3-conjugated Goat anti-Rabbit IgG (H+L) (AS007) at 1:500 dilution. Blue: DAPI for nuclear staining. |
 | Immunoprecipitation analysis of 200 μg extracts of Jurkat cells, using 3 μg PSMC3 antibody (A13345). Western blot was performed from the immunoprecipitate using PSMC3 antibody (A13345) at a dilution of 1:1000. |
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