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Total HSF1 Cell-Based Colorimetric ELISA Kit

-KA4122C

Catalog: KA4122C
Size
Price
Status
Qty.
96well
$330.00
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Main Information
Reactivity

Human, Mouse

Applications

ELISA

Conjugate/Modification


Unmodified

Detailed Information
Storage
2-8°C/6 months
Modification
Unmodified
Detection Method
Colorimetric
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Antigen&Target Information
Gene Name:
HSF1
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Other Name:
Heat shock factor protein 1 ;
HSF 1 ;
Heat shock transcription factor 1 ;
HSTF 1 ;
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Database Link:
Organism Gene ID SwissProt
Human 3297; Q00613;
Mouse P38532;
Background:
function:DNA-binding protein that specifically binds heat shock promoter elements (HSE) and activates transcription. In higher eukaryotes, HSF is unable to bind to the HSE unless the cells are heat shocked.,PTM:Phosphorylated on multiple serine residues, a subset of which are involved in stress-related regulation of transcription activation. Constitutive phosphorylation represses transcriptional activity at normal temperatures. Levels increase on specific residues heat-shock and enhance HSF1 transactivation activity. Phosphorylation on Ser-307 derepresses activation on heat-stress and in combination with Ser-303 phosphorylation appears to be involved in recovery after heat-stress. Phosphorylated on Ser-230 by CAMK2, in vitro. Cadmium also enhances phosphorylation at this site. Phosphorylation on Ser-303 is a prerequisite for HSF1 sumoylation. Phosphorylation on Ser-121 inhibits transactivation and promotes HSP90 binding. Phosphorylation on Thr-142 also mediates transcriptional activity induced by heat.,PTM:Sumoylated BY SUMO1 AND SUMO2 on heat-shock. Heat-inducible sumoylation occurs after 15 min of heat-shock, after which levels decrease and at 4 hours, levels return to control levels. Sumoylation has no effect on HSE binding nor on transcriptional activity. Phosphorylation on Ser-303 is a prerequisite for sumoylation.,similarity:Belongs to the HSF family.,subcellular location:Cytoplasmic during normal growth. On activation, translocates to nuclear stress granules. Colocalizes with SUMO1 in nuclear stress granules.,subunit:Monomer. Under normal conditions, interacts with HSP90AA1 in the HSP90 multichaperone complex; the interaction prevents trimerization and activation of HSF1. On activation by heat-stress or by other factors such as metal ions, HSF1 is released from the complex, homotrimerizes, is hyperphosphorylated and translocated to the nucleus where, subsequently, it can activate transcription. Binds the complex through the regulatory domain. Interacts with SYMPK and CSTF2 in heat-stressed cells. Interacts with FKBP4 in the HSP90 multichaperone complex; the interaction is independent of the phosphorylation state of HSF1. Interacts with MAPKAPK2.,
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Function:
in utero embryonic development, regulation of cytokine production, negative regulation of cytokine production,placenta development, embryonic placenta development, response to molecule of bacterial origin, transcription,regulation of transcription, DNA-dependent, protein amino acid phosphorylation, phosphorus metabolic process,phosphate metabolic process, defense response, gamete generation, spermatogenesis, female pregnancy, negative regulation of cell proliferation, response to temperature stimulus, response to heat, response to bacterium, response to abiotic stimulus, embryonic development ending in birth or egg hatching, response to organic substance,phosphorylation, sexual reproduction, response to lipopolysaccharide, multicellular organism reproduction, regulation of tumor necrosis factor production, negative regulation of tumor necrosis factor production, regulation of growth,regulation of multicellular organism growth, positive regulation of multicellular organism growth, regulation of cell proliferation, chordate embryonic development, regulation of transcription, positive regulation of growth, male gamete generation, embryonic organ development, reproductive process in a multicellular organism, positive regulation of multicellular organismal process, negative regulation of multicellular organismal process, regulation of RNA metabolic process, embryonic process involved in female pregnancy,
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Cellular Localization:
Nucleus . Cytoplasm . Nucleus, nucleoplasm . Cytoplasm, perinuclear region . Cytoplasm, cytoskeleton, spindle pole . Cytoplasm, cytoskeleton, microtubule organizing center, centrosome . Chromosome, centromere, kinetochore . The monomeric form is cytoplasmic in unstressed cells (PubMed:8455624, PubMed:26159920). Predominantly nuclear protein in both unstressed and heat shocked cells (PubMed:10413683, PubMed:10359787). Translocates in the nucleus upon heat shock (PubMed:8455624). Nucleocytoplasmic shuttling protein (PubMed:26159920). Colocalizes with IER5 in the nucleus (PubMed:27354066). Colocalizes with BAG3 to the nucleus upon heat stress (PubMed:8455624, PubMed:26159920). Localizes in subnuclear granules called nuclear stress bodies (nSBs) upon heat shock (PubMed:11447121, PubMed:11514557, PubMed:10359787, PubMed:25963659, PubMed:10747973, PubMed:24581496, PubMed:19229036). Colocalizes with SYMPK and SUMO1 in nSBs upon heat shock (PubMed:11447121, PubMed:12665592, PubMed:11514557, PubMed:14707147, PubMed:10359787). Colocalizes with PRKACA/PKA in the nucleus and nSBs upon heat shock (PubMed:21085490). Relocalizes from the nucleus to the cytoplasm during the attenuation and recovery phase period of the heat shock response (PubMed:26159920). Translocates in the cytoplasm in a YWHAE- and XPO1/CRM1-dependent manner (PubMed:12917326). Together with histone H2AX, redistributed in discrete nuclear DNA damage-induced foci after ionizing radiation (IR) (PubMed:26359349). Colocalizes with calcium-responsive transactivator SS18L1 at kinetochore region on the mitotic chromosomes (PubMed:18794143). Colocalizes with gamma tubulin at centrosome (PubMed:18794143). Localizes at spindle pole in metaphase (PubMed:18794143). Colocalizes with PLK1 at spindle poles during prometaphase (PubMed:18794143). .
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Catalog: KA4122C
Size
Price
Status
Qty.
96well
$330.00
In stock

0

Add to cart

Collected

Collect

Customized Service

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