Solubility: Reconstitution with deionized water or PBS

Formulation: Lyophilized white powder containing no additives.

Physical Appearance: Filtered White lyophilized (freeze-dried) powder

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Lyophilized recombinant protein A stable at room temperature for 2 weeks, should be stored desiccated below -20℃.
Upon reconstitution protein A should be stored at 4℃ between 2-7 days and for future use below -20℃.
shipped at 4℃. Upon delivery aliquot and store at -20℃ or -80℃. Avoid repeated freeze/thaw cycles.

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The recombinant protein A is produced in Escherichia coli using sequence from Streptococcus.