Recombinant Human Heat shock factor-binding protein 1(HSBP1),partial

Code CSB-RP004544h
Size US$1726
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details

Purity Greater than 90% as determined by SDS-PAGE.
Target Names HSBP1
Uniprot No. O75506
Research Area Epigenetics and Nuclear Signaling
Alternative Names Heat shock factor binding protein 1; Heat shock factor-binding protein 1; HSBP1; HSBP1_HUMAN; HSF1BP; Nasopharyngeal carcinoma associated antigen 13; Nasopharyngeal carcinoma-associated antigen 13; NPC A 13 ; NPC-A-13; NPCA 13
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-75aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 35.5kDa
Protein Length Partial
Tag Info N-terminal GST-tagged
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Data

Function Negative regulator of the heat shock response. Negatively affects HSF1 DNA-binding activity. May have a role in the suppression of the activation of the stress response during the aging process.
Gene References into Functions
  1. HSPB1 protects cells against proapoptotic agents when expressed at high level, while inhibition of its expression has been found to predispose cells to apoptosis. PMID: 28828227
  2. Results presented here show that acquisition of a positive charge in HSBP1, either by protonation of His124 or its substitution by lysine, reduces the stability of the dimer interface of the alpha-crystallin domain, increases oligomeric size, and modestly increases chaperone activity. PMID: 28332148
  3. HSBP1 is crucial for regulating resistance to radiotherapy of oral squamous epithelial carcinoma cells by inducing stem-like status. PMID: 24816843
  4. HspBP1 inhibited the cytotoxic activity of the Tag7-Hsp70 complex secreted by lymphocytes. HspBP1 PMID: 21247889
  5. This study reports the crystal structure of a degradation-resistant fragment of HSBP1. A continuous, long-helix conformation of HSBP1 assembles into a coiled-coil three-helix bundle and subsequently into an elongated, symmetrical hexamer. PMID: 18767159
  6. HSBP likely mediates its function through its trimerization domain. PMID: 11679589

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Subcellular Location Nucleus
Protein Families HSBP1 family
Database Links

HGNC: 5203

OMIM: 604553

KEGG: hsa:3281

STRING: 9606.ENSP00000392896

UniGene: Hs.250899


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