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Anti-Proteasome 20S beta 7/PSMB7 Antibody Picoband™ (monoclonal, 3H6C8)
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| WB, FC |
|---|---|
| Primary Accession | Q99436 |
| Host | Mouse |
| Isotype | IgG2b |
| Reactivity | Rat, Human, Mouse, Monkey |
| Clonality | Monoclonal |
| Format | Lyophilized |
| Description | Anti-Proteasome 20S beta 7/PSMB7 Antibody Picoband™ (monoclonal, 3H6C8) . Tested in Flow Cytometry, WB applications. This antibody reacts with Human, Monkey, Mouse, Rat. |
| Reconstitution | Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml. |
| Gene ID | 5695 |
|---|---|
| Other Names | Proteasome subunit beta type-7, 3.4.25.1, Macropain chain Z, Multicatalytic endopeptidase complex chain Z, Proteasome subunit Z, PSMB7, Z |
| Calculated MW | 25 kDa |
| Application Details | Western blot, 0.25-0.5 µg/ml, Human, Monkey, Mouse, Rat Flow Cytometry, 1-3 µg/1x10^6 cells, Human |
| Contents | Each vial contains 4 mg Trehalose, 0.9 mg NaCl and 0.2 mg Na2HPO4. |
| Clone Names | Clone: 3H6C8 |
| Immunogen | E.coli-derived human Proteasome 20S beta 7/PSMB7 recombinant protein (Position: D17-S277). |
| Purification | Immunogen affinity purified. |
| Storage | At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing. |
| Name | PSMB7 (HGNC:9544) |
|---|---|
| Synonyms | Z |
| Function | 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). Within the 20S core complex, PSMB7 displays a trypsin-like activity. |
| Cellular Location | Cytoplasm. Nucleus. Note=Translocated from the cytoplasm into the nucleus following interaction with AKIRIN2, which bridges the proteasome with the nuclear import receptor IPO9 |
| Tissue Location | Expressed at a low level in colonic mucosa. Up- regulated in colorectal cancer tissues. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Proteasome subunit beta type-7 as known as 20S proteasome subunit beta-2 is a protein that in humans is encoded by the PSMB7 gene. The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure 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. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. The encoded protein is a member of the proteasome B-type family, also known as the T1B family, and is a 20S core beta subunit in the proteasome. Expression of this catalytic subunit is downregulated by gamma interferon, and proteolytic processing is required to generate a mature subunit. A pseudogene of this gene is located on the long arm of chromosome 14.
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