CPY Assay

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Carboxypeptidase Secretion Assay

Protocol

  • Revive Yeast Cells (2-3) days
  • Pick one colony and make a 1/2 inch x 1/2 inch square patch of yeast on selective plates, allow to grow for 1 day. (24°C)
  • Place nitrocellulose filters on gel and incubate overnight at 23°C. (Make sure to roll the sheet with a tube)
  • Wash filter in water.
  • Block filter with BSA for 1 hour.
  • Wash in primary antibody overnight at 4C or >3h at room temp

(10,000x dilution)

  • Rinse in Tbst.
  • Secondary antibody at 10 000X for 45min-1h.
  • Rinse in TBST.
  • Develop