Frequently asked questions

Our Scientific Applications Support team has assembled a list of frequently asked questions to help you find answers quickly. Filter using one or more categories to focus on specific topics, or use the search bar to perform a text search.

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How should I store the Cas9 protein?

All Alt-R® S.p. Cas9 nucleases and nickases should be stored at –20°C. Under optimal storage conditions, the protein maintains functionality for at least 2 years.