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Anti-HSF4 Antibody Picoband®

Boster Bio Anti-HSF4 Antibody Picoband® catalog # PB9634. Tested in WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

Heat shock factor protein 4 is a protein that in humans is encoded by the HSF4 gene. It is mapped to 16q21. Heat-shock transcription factors (HSFs) activate heat-shock response genes under conditions of heat or other stresses. HSF4 lacks the carboxyl-terminal hydrophobic repeat which is shared among all vertebrate HSFs and has been suggested to be involved in the negative regulation of DNA binding activity. Two alternatively spliced transcripts encoding distinct isoforms and possessing different transcriptional activity have been described.

Synonyms

Heat shock factor protein 4; HSF 4; hHSF4; Heat shock transcription factor 4; HSTF 4; HSF4

Gene Name

HSF4

Gene ID

3299

UniProt

Q9ULV5

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of human HSF4, different from the related mouse sequence by two amino acids.

Clonality

Polyclonal

Tissue Specificity

Expressed in heart, skeletal muscle, eye and brain, and at much lower levels in some other tissues. .

Applications

WB

Field of Research

Chromatin Binding Proteins, DNA/RNA Binding, Epigenetics and Nuclear Signaling, Transcription, Transcription Factors

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

DNA-binding protein that specifically binds heat shock promoter elements (HSE) . Isoform HSF4A represses transcription while the isoform HSF4B activates transcription. .

References & Citations

1. Bu L, Jin Y, Shi Y, Chu R, Ban A, Eiberg H, Andres L, Jiang H, Zheng G, Qian M, Cui B, Xia Y, Liu J, Hu L, Zhao G, Hayden MR, Kong X (Jun 2002) . Mutant DNA-binding domain of HSF4 is associated with autosomal dominant lamellar and Marner cataract. Nat Genet 31 (3) : 276–8. 2. Nakai A, Tanabe M, Kawazoe Y, Inazawa J, Morimoto RI, Nagata K (Jan 1997) . HSF4, a new member of the human heat shock factor family which lacks properties of a transcriptional activator. Mol Cell Biol 17 (1) : 469–81. 3. Tanabe M, Sasai N, Nagata K, Liu XD, Liu PC, Thiele DJ, Nakai A (Nov 1999) . The mammalian HSF4 gene generates both an activator and a repressor of heat shock genes by alternative splicing. J Biol Chem 274 (39) : 27845–56.

Storage Conditions

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.

Calculated Molecular Weight

53011 MW

Observed Molecular Weight

53 kDa

Specificity

No cross reactivity with other proteins.

Gene Name Synonym

Heat shock factor protein 4

Subcellular Location

Nucleus.

Sequence Similarities

Contains 1 HMG box DNA-binding domain.

Protein Name

Heat shock factor protein 4

Isotype

Rabbit IgG

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

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