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Anti-GRP78 BiP HSPA5 Rabbit Monoclonal Antibody
- SPECIFICATION
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- BACKGROUND
Application 
| WB, IHC |
|---|---|
| Primary Accession | P11021 |
| Host | Rabbit |
| Isotype | Rabbit IgG |
| Reactivity | Rat, Human, Mouse |
| Clonality | Monoclonal |
| Format | Liquid |
| Description | Anti-GRP78 BiP HSPA5 Rabbit Monoclonal Antibody . Tested in WB, IHC applications. This antibody reacts with Human, Mouse, Rat. |
| Gene ID | 3309 |
|---|---|
| Other Names | Endoplasmic reticulum chaperone BiP, 3.6.4.10, 78 kDa glucose-regulated protein, GRP-78, Binding-immunoglobulin protein {ECO:0000303|Ref.4}, BiP {ECO:0000303|Ref.4}, Heat shock protein 70 family protein 5, HSP70 family protein 5, Heat shock protein family A member 5 {ECO:0000312|HGNC:HGNC:5238}, Immunoglobulin heavy chain-binding protein {ECO:0000303|Ref.4}, HSPA5 (HGNC:5238) |
| Calculated MW | 72333 MW KDa |
| Application Details | WB 1:500-1:2000 IHC 1:50-1:200 |
| Subcellular Localization | Endoplasmic reticulum lumen. Melanosome. Cytoplasm. Identified by mass spectrometry in melanosome fractions from stage I to stage IV. |
| Contents | Rabbit IgG in phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol, 0.4-0.5mg/ml BSA. |
| Clone Names | Clone: AII-8 |
| Immunogen | A synthesized peptide derived from human GRP78 BiP |
| Purification | Affinity-chromatography |
| Storage | Store at -20°C for one year. For short term storage and frequent use, store at 4°C for up to one month. Avoid repeated freeze-thaw cycles. |
| Name | HSPA5 (HGNC:5238) |
|---|---|
| Function | Endoplasmic reticulum chaperone that plays a key role in protein folding and quality control in the endoplasmic reticulum lumen (PubMed:2294010, PubMed:23769672, PubMed:23990668, PubMed:28332555). Involved in the correct folding of proteins and degradation of misfolded proteins via its interaction with DNAJC10/ERdj5, probably to facilitate the release of DNAJC10/ERdj5 from its substrate (By similarity). Acts as a key repressor of the ERN1/IRE1-mediated unfolded protein response (UPR) (PubMed:1550958, PubMed:19538957). In the unstressed endoplasmic reticulum, recruited by DNAJB9/ERdj4 to the luminal region of ERN1/IRE1, leading to disrupt the dimerization of ERN1/IRE1, thereby inactivating ERN1/IRE1 (By similarity). Accumulation of misfolded protein in the endoplasmic reticulum causes release of HSPA5/BiP from ERN1/IRE1, allowing homodimerization and subsequent activation of ERN1/IRE1 (By similarity). Plays an auxiliary role in post-translational transport of small presecretory proteins across endoplasmic reticulum (ER). May function as an allosteric modulator for SEC61 channel-forming translocon complex, likely cooperating with SEC62 to enable the productive insertion of these precursors into SEC61 channel. Appears to specifically regulate translocation of precursors having inhibitory residues in their mature region that weaken channel gating. May also play a role in apoptosis and cell proliferation (PubMed:26045166). |
| Cellular Location | Endoplasmic reticulum lumen. Melanosome. Cytoplasm {ECO:0000250|UniProtKB:P20029}. Cell surface Note=Identified by mass spectrometry in melanosome fractions from stage I to stage IV (PubMed:12643545). Localizes to the cell surface of epithelial cells in response to high levels of free iron (PubMed:20484814, PubMed:24355926, PubMed:27159390) |
Citations (0)
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Application Protocols
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$ 370.00
Cat# ABO13956
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