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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