Anti-Sup35/PSI+ (S.cerevisiae) antibody, rabbit polyclonal IgG

Product#: FNK-62-300
$421.11
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Anti-Sup35/PSI+ (S.cerevisiae) antibody, rabbit polyclonal IgG


General information 

Cat. No. :FNK-63-300
Size 100 ul
Antigen Species Yeast 
Host Species Rabbit
Purification Affinity Purified
Label  Unlabeled
Reactivity S. cerevisiae Sup35, not tested with other species
Immunogen Synthetic peptide corresponding to a.a. 494-507 of Sup35
Product Rabbit polyclonal antibody, purified IgG fraction
Application   Western blotting (1,000~2,000 fold dilution). Not tested for other applications.
Storage -20℃ (for longer period, -70℃) 
Form Purified IgG 4 mg/ml in PBS, 50% glycerol, 0.09% sodium azide,
Data Link SGD SUP35/YDR172W, UniProtKB P05453 (ERF3_YEAST) 


Description

Sup35 protein of S. cerevisiae is the translation termination factor eRF3. The altered conformation of this protein generates the [PSI+] prion phenotype . In this state, a dominant cytoplasmically inherited protein aggregates are formed which sequester the normal function of Sup35 thereby nonsense suppressor phenotype is created . The molecular chaperon Hsp104 is necessary for the formation and maintenance of the aggregates.
 
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Figure. Identification of Sup35 protein in crude extracts of S. cerevisiae by western blotting with anti-Sup35 antibody.
  1. Endogenous expression in S. cerevisiae.
  2. Overexpression of Sup35 protein by introduction of a plasmid carrying Sup35 gene into S. cerevisiae.

Anti-Sup35 antibody was used at 1/2,000 dilution. Sup35 protein was identified at 77 kDa position (Expected molecular mass of Sup35 is 76.6 kDa) .


Reference 
This antibody was used in the following ref.erence.
 
  1. Kimura Y et al “The role of pre-existing aggregates in Hsp104-dependent polyglutamine aggregate formation and epigenetic change of yeast prions” Genes to Cells 9: 685-696 (2004)


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