rpoH Antibody

Code CSB-PA313777ZA01ENV
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Product Details

Full Product Name
Rabbit anti-Escherichia coli (strain K12) rpoH Polyclonal antibody
Uniprot No.
Target Names
rpoH
Alternative Names
RNA polymerase sigma factor RpoH (Heat shock regulatory protein F33.4) (RNA polymerase sigma-32 factor), rpoH, fam hin htpR
Raised in
Rabbit
Species Reactivity
Escherichia coli
Immunogen
Recombinant Escherichia coli rpoH protein
Immunogen Species
Escherichia coli (strain K12)
Conjugate
Non-conjugate
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (12-14 weeks)

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Target Background

Function
Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is involved in regulation of expression of heat shock genes. Intracellular concentration of free RpoH protein increases in response to heat shock, which causes association with RNA polymerase (RNAP) and initiation of transcription of heat shock genes, including numerous global transcriptional regulators and genes involved in maintaining membrane functionality and homeostasis. RpoH is then quickly degraded, leading to a decrease in the rate of synthesis of heat shock proteins and shut-off of the heat shock response.
Gene References into Functions
  1. ThiS, an ubiquitin-like protein, is covalently attached to delta(32) and at least 27 other proteins, leading to their subsequent degradation by proteases, in a similar manner to the ubiquitin-proteasome system (UPS) in eukaryotes. PMID: 25721662
  2. co-opts the signal recognition particle to regulate protein homeostasis PMID: 24358019
  3. Authors conclude that oxidative stress triggers the heat shock response in Escherichia coli sigma(32) dependently. PMID: 23585533
  4. N-terminal half of region 2.1 is required for modulating both metabolic stability and the activity of sigma32 PMID: 15516558
  5. First systematic study of the sigma 32 regulon in E. coli including sigma 32 protein level determination gives insight into the complex network regulated by sigma 32 and how it contributes physiological adaptation to changes in the external environment. PMID: 15757896
  6. response protects the cell membrane and responds to its status: Fully 25% of sigma32 regulon members reside in the membrane and alter its functionality; a disproportionate fraction of overexpressed proteins that induce the response are membrane localized PMID: 16818608
  7. Mutants identify a regulatory step downstream of chaperone binding that is required for both inactivation and degradation of sigma32. PMID: 17968012
  8. sigma32-mediated gene expression is a general response to protein insolubility in E. coli PMID: 17992580
  9. it is deduced from these data that there may be a link between sigma(32) regulon activity and cell division events PMID: 19114495
  10. The -10 region in sigma32 is a composite element required for high promoter activity. PMID: 19400791

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Subcellular Location
Cytoplasm.
Protein Families
Sigma-70 factor family, RpoH subfamily
Database Links
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