HSP90AB1 Antibody

Code CSB-PA00109A0Rb
Size US$166
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  • Western Blot
    Positive WB detected in: K562 whole cell lysate, HepG2 whole cell lysate, A549 whole cell lysate
    All lanes: HSP90AB1 antibody at 2µg/ml
    Secondary
    Goat polyclonal to rabbit IgG at 1/50000 dilution
    Predicted band size: 84 kDa
    Observed band size: 84 kDa

  • IHC image of CSB-PA00109A0Rb diluted at 1:200 and staining in paraffin-embedded human pancreatic cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.

  • Immunofluorescence staining of MCF-7 cells with CSB-PA00109A0Rb at 1:66, counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L).

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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) HSP90AB1 Polyclonal antibody
Uniprot No.
Target Names
HSP90AB1
Alternative Names
90 kda heat shock protein beta HSP90 beta antibody; D6S182 antibody; FLJ26984 antibody; Heat shock 84 kDa antibody; Heat shock 90kD protein 1; beta antibody; Heat shock 90kDa protein 1 beta antibody; Heat shock protein 90 alpha family class B member 1 antibody; Heat shock protein 90 kDa antibody; Heat shock protein 90kDa alpha (cytosolic) class B member 1 antibody; Heat shock protein 90kDa alpha family class B member 1 antibody; Heat shock protein beta antibody; Heat shock protein HSP 90 beta antibody; Heat shock protein HSP 90-beta antibody; HS90B_HUMAN antibody; HSP 84 antibody; HSP 90 antibody; HSP 90 b antibody; HSP 90b antibody; HSP84 antibody; HSP90 BETA antibody; hsp90ab1 antibody; HSP90B antibody; HSPC2 antibody; HSPCB antibody
Raised in
Rabbit
Species Reactivity
Human
Immunogen
Recombinant Human Heat shock protein HSP 90-beta protein (150-355AA)
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated

The HSP90AB1 Antibody (Product code: CSB-PA00109A0Rb) is Non-conjugated. For HSP90AB1 Antibody with conjugates, please check the following table.

Available Conjugates
Conjugate Product Code Product Name Application
HRP CSB-PA00109B0Rb HSP90AB1 Antibody, HRP conjugated ELISA
FITC CSB-PA00109C0Rb HSP90AB1 Antibody, FITC conjugated
Biotin CSB-PA00109D0Rb HSP90AB1 Antibody, Biotin conjugated ELISA
Clonality
Polyclonal
Isotype
IgG
Purification Method
>95%, Protein G purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
Form
Liquid
Tested Applications
ELISA, WB, IHC, IF
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:5000
IHC 1:200-1:500
IF 1:50-1:200
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Customer Reviews and Q&A

 Customer Reviews
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5.0 - 2 reviews

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Applications : WB

Sample dilution: 1: 5000

Review: Expression levels of 94 kDa glucose-regulated protein (GRP94) and 78 kDa glucose-regulated protein (GRP78) were measured by western blot analysis. Antibody of β-actin (43 kDa) as a loading control was used for normalization.

By Anonymous

Applications : WB

Review: KO and overexpression of HSP90AB1 and SINV C accumulation (18 hpi) were assessed by western blotting.

By Anonymous

Target Background

Function
Molecular chaperone that promotes the maturation, structural maintenance and proper regulation of specific target proteins involved for instance in cell cycle control and signal transduction. Undergoes a functional cycle linked to its ATPase activity. This cycle probably induces conformational changes in the client proteins, thereby causing their activation. Interacts dynamically with various co-chaperones that modulate its substrate recognition, ATPase cycle and chaperone function. Engages with a range of client protein classes via its interaction with various co-chaperone proteins or complexes, that act as adapters, simultaneously able to interact with the specific client and the central chaperone itself. Recruitment of ATP and co-chaperone followed by client protein forms a functional chaperone. After the completion of the chaperoning process, properly folded client protein and co-chaperone leave HSP90 in an ADP-bound partially open conformation and finally, ADP is released from HSP90 which acquires an open conformation for the next cycle. Apart from its chaperone activity, it also plays a role in the regulation of the transcription machinery. HSP90 and its co-chaperones modulate transcription at least at three different levels. They first alter the steady-state levels of certain transcription factors in response to various physiological cues. Second, they modulate the activity of certain epigenetic modifiers, such as histone deacetylases or DNA methyl transferases, and thereby respond to the change in the environment. Third, they participate in the eviction of histones from the promoter region of certain genes and thereby turn on gene expression. Antagonizes STUB1-mediated inhibition of TGF-beta signaling via inhibition of STUB1-mediated SMAD3 ubiquitination and degradation. Promotes cell differentiation by chaperoning BIRC2 and thereby protecting from auto-ubiquitination and degradation by the proteasomal machinery. Main chaperone involved in the phosphorylation/activation of the STAT1 by chaperoning both JAK2 and PRKCE under heat shock and in turn, activates its own transcription. Involved in the translocation into ERGIC (endoplasmic reticulum-Golgi intermediate compartment) of leaderless cargos (lacking the secretion signal sequence) such as the interleukin 1/IL-1; the translocation process is mediated by the cargo receptor TMED10.
Gene References into Functions
  1. The production of IFN-gamma by T cells stimulated with citrullinated HSP90beta demonstrates a bias toward TH1 immune responses that are likely involved in the pathogenesis of rheumatoid arthritis-interstitial lung disease. PMID: 29968330
  2. the expressions of HSP90AB1 can predict prognosis in astrocytic tumors PMID: 27258564
  3. We found that the nutrient value of the culturing medium and the length of induction had significant effect on Hsp90 production in Escherichia coli. Our fast, single-day purification protocol resulted in a stable, well-folded and pure sample that was resistant to degradation in a reproducible manner. PMID: 28651008
  4. Data show that C allele of rs2282151 was associated with increased expression level of heat shock protein 90 alpha family class B member 1 (HSP90AB1). PMID: 27756247
  5. Hsp90beta induced endothelial cell-dependent tumor angiogenesis by activating VEGFRs transcription. PMID: 28359326
  6. The authors find that the interaction between sB-Raf and the Hsp90 chaperone system is based on contacts with the M domain of Hsp90, which contributes in forming the ternary complex with Cdc37 as long as the kinase is not stabilized by nucleotide. PMID: 27620500
  7. High HSP90B expression is associated with laryngeal carcinoma. PMID: 27959448
  8. The expression level of Hsp90AB1 in lung cancer tissues was significantly higher than that in normal lung tissue and was associated with lung cancer pathological type and overall survival in lung adenocarcinoma patients. PMID: 26903158
  9. Apart from these distinct Cdc37/Hsp90 interfaces, binding of the B-Raf protein kinase to the cochaperone is conserved between mammals and nematodes. PMID: 26511315
  10. HSP90AB1: Helping the good and the bad PMID: 26358502
  11. These results suggest a means by which the hsp90beta interaction could prevent apo-sGCbeta1 from associating with its partner sGCalpha1 subunit while enabling structural changes to assist heme insertion into the H-NOX domain. PMID: 26134567
  12. Casein kinase 2-mediated phosphorylation of Hsp90beta and stabilization of PXR is a key mechanism in the regulation of MDR1 expression. PMID: 25995454
  13. This study identifies overexpression of HSP90 (especially isoform HSP90AB1) and its clients ATR, ATM, and NBS1 as promising markers for radioresistant, aggressive soft tissue sarcomas with particularly poor prognosis. PMID: 26044951
  14. The proteins (HSP90b, TMS1 and L-plastin) in the current study may hold potential in differentiating between melanoma and benign nevi in diagnostically challenging cases. PMID: 25191796
  15. The expression levels of Hsp90-beta and annexin A1 positively correlated and such co-overexpression of Hsp90-beta and annexin A1 contributed to lung cancer diagnosis. PMID: 25300907
  16. Hsp90 binds directly to fibronectin (FN) and inhibition reduces the extracellular fibronectin matrix in breast cancer cells. PMID: 24466266
  17. A novel mechanism for human carcinogenesis via methylation of HSP90AB1 by SMYD2. PMID: 24880080
  18. Hsp90 is upregulated in systemic sclerosis (SSc) and is critical for TGF-beta signalling. PMID: 23661493
  19. HSP70 was massively up-regulated in all mast cells three months after irradiation whereas HSP90AB1 was up-regulated only in a portion of mast cells PMID: 24670792
  20. Study obtained a structural model of Hsp90 in complex with its natural disease-associated substrate, the intrinsically disordered Tau protein. Hsp90 binds to a broad region in Tau that includes the aggregation-prone repeats. PMID: 24581495
  21. HSP90beta may positively regulate angiogenesis, not only as a protein chaperone, but also as an mRNA stabilizer for pro-angiogenic genes, such as BAZF, in a PRKD2 activity-dependent manner. PMID: 23515950
  22. Here we describe the specific association of heat shock protein-90-beta (Hsp90beta) with EV71 viral particles by the co-purification with virions using sucrose density gradient ultracentrifugation and colocalization as shown by immunogold EM. PMID: 23711381
  23. differences in expression caused by the -144 polymorphism in the HSP90beta promoter are associated with cellular inflammatory responses and the severity of organ injury PMID: 23516526
  24. the transdominant effect of HSP90AB1 on capsid-spacer protein 1-mutant HIV infectivity suggests a potential role for this class of cellular chaperones in HIV core stability and uncoating. PMID: 23200770
  25. The upregulation of Hsp90-beta was associated with poor post-surgical survival time and lymphatic metastasis of lung cancer patients PMID: 22929401
  26. DNA sequencing of 101 human samples detects eight and seven unique single nucleotide polymorphisms (SNPs) at the HSP90AA1 and HSP90AB1 loci, respectively. PMID: 22185817
  27. a possible role for HSP90AB1 in postentry HIV replication and may provide an attractive target for therapeutic intervention. PMID: 21602280
  28. TRIM8 modulates translocation of phosphorylated STAT3 into the nucleus through interaction with Hsp90beta and consequently regulates transcription of Nanog in embryonic stem cells. PMID: 21689689
  29. cyclophilin A and Hsp90 facilitate translocation of lethal factor(N) diphtheria toxin, but not of lethal factor, across endosomal membranes, and thus they function selectively in promoting translocation of certain proteins, but not of others PMID: 20946244
  30. Results show that RPL4, RPLP0, and HSPCB were the most stable reference genes in ovarian tissues. PMID: 20705598
  31. H. pylori induces the translocation of HSP90beta from the cytosol to the membrane and interaction of HSP90beta and Rac1, which leads to the activation of NADPH oxidase and production of ROS in gastric epithelial cells. PMID: 20451655
  32. findings present novel Hsp90 mutants that render cells resistant to Hsp90 inhibitors; show that the resistance depends on the increased ATPase turnover due to enhanced interaction with Aha1 PMID: 20226818
  33. Data show that the small molecule celastrol inhibits the Hsp90 chaperoning machinery by inactivating the co-chaperone p23, resulting in a more selective destabilization of steroid receptors. PMID: 19996313
  34. Study points to a potential role for Hsp90beta in MSC biology. PMID: 19327008
  35. PKC-epsilon is specifically required in the signaling pathway leading to the induction of hsp90 beta gene in response to heat shock. PMID: 14532285
  36. hsp90beta is repressed by p53 in UV irradiation-induced apoptosis PMID: 15284248
  37. Mutations at the phosphorylation sites of HSP90-beta modulate the interaction with arylhydrocarbon receptor (AhR) and may negatively regulate formation of the functional AhR complex in the steady-state cytosol. PMID: 15581363
  38. Hydrogen-exchange mass spectrometry was used to study structural & conformational changes undergone by full-length Hsp90beta in solution upon binding of the co-chaperone Cdc37 & 2 Hsp90 ATPase inhibitors: Radicicol & the anticancer drug DMAG PMID: 17764690
  39. Results suggest that HSP90 beta prevents auto-ubiquitination and degradation of its client protein c-IAP1, whose depletion would be sufficient to inhibit cell differentiation. PMID: 18239673
  40. These data provide an explanation for apoptosome inhibition by activated leukemogenic tyrosine kinases and suggest that alterations in Hsp90beta-apoptosome interactions may contribute to chemoresistance in leukemias. PMID: 18591256
  41. Presence of ovarian autoantibodies to human HSP90 in sera of women with infertility could be involved in human ovarian autoimmunity and thereby be a causative factor in early ovarian failure. PMID: 19022436
  42. Results show that heat shock protein 90 beta is cleaved by activated caspase-10 under UVB irradiation. PMID: 19380486
  43. celastrol may represent a new class of Hsp90 inhibitor by modifying Hsp90 C terminus to allosterically regulate its chaperone activity and disrupt Hsp90-Cdc37 complex. PMID: 19858214

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Subcellular Location
Cytoplasm. Melanosome. Nucleus. Secreted. Cell membrane. Dynein axonemal particle.
Protein Families
Heat shock protein 90 family
Database Links

HGNC: 5258

OMIM: 140572

KEGG: hsa:3326

STRING: 9606.ENSP00000325875

UniGene: Hs.509736

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