Rabbit anti-Human, Mouse HSF1 Polyclonal Antibody | anti-HSF1 antibody

HSF1 (V297) Polyclonal Antibody

Cat. Num. AAA3003944

• Gene Names: HSF1; HSTF1
• Reactivity: Human, Mouse
• Applications: Immunohistochemistry, Immunofluorescence
• Purity: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is >95% (by SDS-PAGE).
• Synonyms: HSF1; Polyclonal Antibody; HSF1 (V297) Polyclonal Antibody; Heat shock factor 1; Heat shock factor protein 1; Heat shock transcription factor 1; HSF 1; hsf1; HSTF 1; HSTF1; anti-HSF1 antibody

• Host: Rabbit
• Reactivity: Human, Mouse
• Clonality: Polyclonal
• Isotype: IgG
• Specificity: HSF1 (V297) polyclonal antibody detects endogenous levels of HSF1 protein.
• Purity/Purification: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen and the purity is >95% (by SDS-PAGE).
• Form/Format: Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.2
• Sequence Length: 529

• Applicable Applications for anti-HSF1 antibody: Immunohistochemistry (IHC), Immunofluorescence (IF)
• Application Notes: IHC: 1:50-1:200; IF: 1:50-1:200
• Immunogen: Synthetic peptide, corresponding to amino acids 267-315 of Human HSF1.
• Preparation and Storage: Store at 4 degree C short term.; Aliquot and store at -20 degree C long term.; Avoid freeze-thaw cycles.

Immunohistochemistry (IHC)

(Immunohistochemistry (IHC) analyzes of HSF1 (V297) pAb in paraffin-embedded human breast carcinoma tissue at 1:100.)

Related Product Information for anti-HSF1 antibody

Heat shock transcription factors (HSF, also designated HSTF) 1 and 2 are involved in this regulation. HSF1 and HSF2 are upregulated by estrogen at both the mRNA and protein level. HSF1 is normally found as a monomer whose transcriptional activity is repressed by constitutive phosphorylation. Upon activation, HSF1 forms trimers, gains DNA binding activity and is translocated to the nucleus. HSF2 activity is associated with differentiation and development, and, like HSF1, binds DNA as a trimer. Both HSF1 and HSF2 are known to be induced by proteasome inhibitors of the ubiquitin pathway.

NCBI and Uniprot Product Information

• NCBI GI #: 5031767
• NCBI GeneID: 3297
• NCBI Accession #: NP_005517.1
• NCBI GenBank Nucleotide #: NP_005517.1
• UniProt Accession #: Q00613
• Molecular Weight: ~ 82kDa
• NCBI Official Full Name: heat shock factor protein 1
• NCBI Official Synonym Full Names: heat shock transcription factor 1
• NCBI Official Symbol: HSF1
• NCBI Official Synonym Symbols: HSTF1
• NCBI Protein Information: heat shock factor protein 1
• UniProt Protein Name: Heat shock factor protein 1
• Protein Family: Heat shock factor protein
• UniProt Gene Name: HSF1
• UniProt Synonym Gene Names: HSTF1; HSF 1; HSTF 1
• UniProt Entry Name: HSF1_HUMAN

NCBI Description

The product of this gene is a transcription factor that is rapidly induced after temperature stress and binds heat shock promoter elements (HSE). This protein plays a role in the regulation of lifespan. Expression of this gene is repressed by phosphorylation, which promotes binding by heat shock protein 90. [provided by RefSeq, Jul 2017]

Uniprot Description

HSF1: a transcription factor that specifically binds heat shock promoter elements (HSE) and activates transcription. Induced in response to heat, heavy metals, and oxidative stress. In higher eukaryotes, HSF is unable to bind to HSEs unless the cells are stressed. Becomes phosphorylated in response to stress, forming homotrimers that bind DNA and activate transcription. Phosphorylation by PLK1 enhances nuclear translocation, and phosphorylation by CaMKII enhances transactivation. Phosphorylation by GSK3 and ERK1 induces binding by 14-3-3 and sequestration in the cytoplasm. In addition, during attenuation from the heat shock response, HSF1 is repressed by direct binding of Hsp70, HSP40, and HSF binding protein 1 (HSBP1). Four alternatively spliced isoforms have been described.

Protein type: DNA-binding; Transcription factor

Chromosomal Location of Human Ortholog: 8q24.3

Cellular Component: nucleoplasm; protein complex; pronucleus; cytoplasm; cytosol

Molecular Function: protein binding; chromatin binding; transcription factor activity

Biological Process: negative regulation of cell proliferation; embryonic placenta development; embryonic process involved in female pregnancy; mRNA transcription; female meiosis; defense response; spermatogenesis; response to lipopolysaccharide; positive regulation of transcription from RNA polymerase II promoter; negative regulation of tumor necrosis factor production; positive regulation of multicellular organism growth; negative regulation of transcription from RNA polymerase II promoter; protein amino acid phosphorylation