Frequently Asked Questions
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Can I use SialEXO for desialylation of both N- and O-glycans?
Yes, SialEXO displays activity on sialic acids with α2-3, α2-6 and α2-8 linked bonds of both N- and O-glycans.
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Does SialEXO require denaturation of the proteins for activity on glycoproteins?
No, SialEXO works both on glycoproteins in native conditions but can also be used on denatured proteins after buffer exchange.
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Does SialEXO contain a purification tag?
Yes, SialEXO contains a 6x His-tag.
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Can I use SialEXO in combination with PNGaseF?
Yes, both enzymes are active under native conditions, preferably use 20 mM Tris pH 7. If denaturing reaction conditions are required for PNGaseF, the reaction with SialEXO needs to be performed first under native conditions, then add PNGaseF and the required buffer.
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Can I use SialEXO in combination with OglyZOR or OpeRATOR?
Yes, SialEXO can be incubated together with OpeRATOR and/or OglyZOR in 20 mM Tris pH 6.8.
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