HSP90 is a composite name for a large group of Heat Shock Proteins whose molecular weights average 90 kDa. HSPs functions primarily as a molecular chaperone, facilitating the folding of other cellular proteins, preventing protein aggregation, or targeting improperly folded proteins to specific degradative pathways. HSP90 is a central component in a number of basic cellular processes including hormone signaling and cell cycle control. HSP90 is ubiquitously expressed, highly conserved and accounts for 1‑2% of the total cellular protein. Recently introduced, standardized nomenclature has divided the 17 identified HSP90 genes into three related and one unrelated classes, HSP90AA, HSP90AB, HSP90BB, and TRAP, respectively. Eukaryotic cells have two principal isoforms of HSP90. The antibody described here reacts with the 724 amino acid constitutively expressed HSP90AB1-isoform 1 (also known as HSP90 beta, HSP90B, HSPCB, HSPC2, and HSP89 beta ) and also with the 737 amino acid inducible form, HSP90AA1 (also known as HSP90 alpha, HSP90A, HSPC1, HSPCA, HSP89 alpha and LAP2). HSP90AB1-1 and HSP90AA share 90% identity.
HSP90 Antibody (341320)
R&D Systems | Catalog # MAB3286
Scientific images may be resized, cropped, or adjusted for brightness or contrast for presentation purposes. These updates are limited to presentation and do not affect the underlying scientific interpretation of the data. Where available, additional source data may be provided upon request.
Key Product Details
Species Reactivity
Validated:
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Met1-Asp724
Accession # P08238
Specificity
Clonality
Host
Isotype
Scientific Data Images for HSP90 Antibody (341320)
Detection of Human/Mouse/Rat HSP90 by Western Blot.
Western blot shows lysates of Raji human Burkitt's lymphoma cell line and HeLa human cervical epithelial carcinoma cell line, CH-1 mouse B cell lymphoma cell line, A20 mouse B cell lymphoma cell line, and L6 rat myoblast cell line. PVDF membrane was probed with 0.25 µg/mL Human/Mouse/Rat HSP90 Monoclonal Antibody (Catalog # MAB3286) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). For additional reference, recombinant human HSP90a and HSP90 beta (5 ng/lane) were included. A specific band for HSP90 was detected at approximately 100 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.Detection of Human and Rat HSP90 by Simple WesternTM.
Simple Western lane view shows lysates of Raji human Burkitt's lymphoma cell line and L6 rat myoblast cell line, loaded at 0.2 mg/mL. A specific band was detected for HSP90 at approximately 95 kDa (as indicated) using 2.5 µg/mL of Mouse Anti-Human/Mouse/Rat HSP90 Monoclonal Antibody (Catalog # MAB3286). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.Detection of HSP90 by Western Blot
Nup358 is required for HDAC3 function and nuclear translocation.(A) Upstream transcriptional regulators (P < 0.05) predicted to be altered in Nup358 knockout LSK cells belonging to cluster 4 and cluster 9 ranked by P value. (B) The intracellular localization of HDAC3, E2F1, RB1, p53, RBL2, DMTF1, and GTF2I was analyzed by immunofluorescence in 293T cells transfected with control or Nup358-specific siRNAs. Scale bars, 25 μm. (C) HDAC3 intracellular localization was analyzed by immunofluorescence in 293T cells transfected with control or Nup358-specific siRNAs. Cells were costained with antibodies against nucleoporins Nup358 and Nup98. Scale bars, 25 μm. (D) Quantification of HDAC3 nuclear/cytoplasmic signal ratio in control or Nup358 knockdown cells. Data are expressed as mean ± SD. ****P ≤ 0.0001. (E) Protein levels of HDAC3 and Nup358 in cells transfected with scramble control or Nup358-specific siRNAs were analyzed by Western blot. HSP90 was used as loading control. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/38838144), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for HSP90 Antibody (341320)
Simple Western
Sample: Raji human Burkitt's lymphoma cell line and L6 rat myoblast cell line
Western Blot
Sample: Raji human Burkitt's lymphoma cell line and HeLa human cervical epithelial carcinoma cell line, CH-1 mouse B cell lymphoma cell line, A20 mouse B cell lymphoma cell line, and L6 rat myoblast cell line
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: HSP90
Long Name
Alternate Names
UniProt
Additional HSP90 Products
Product Documents for HSP90 Antibody (341320)
Certificate of Analysis
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Product Specific Notices for HSP90 Antibody (341320)
For research use only
Related Research Areas
Citations for HSP90 Antibody (341320)
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars