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Presentation_Grau(Roche)_Miptec 2011_ ... - Cisbio Bioassays

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Introduction<br />

Glycoengineering<br />

Engineering cell lines overexpressing GnTIII<br />

N-linked glycosylation<br />

high<br />

mannose<br />

GnT-III<br />

competes against<br />

a1,6-FuT<br />

bisected<br />

non-fucosylated<br />

GnT-I<br />

Asn<br />

ManII and GnT-II<br />

hybrid<br />

ManII<br />

GnT-III<br />

a1,6FuT<br />

bisected<br />

hybrid<br />

GnT-II<br />

a1,6FuT<br />

complex<br />

GnT-III<br />

a1,6FuT<br />

Asn<br />

bisected<br />

complex<br />

Why has the presence of the fucose<br />

such a great impact on binding?<br />

N-acetylglucosamine (GlcNAc)<br />

Mannose<br />

Fucose<br />

Picture taken from Claudia Ferrara, <strong>Roche</strong> Glycart AG<br />

6

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