XB-ART-1739
J Biol Chem
2005 Aug 19;28033:29506-12. doi: 10.1074/jbc.M504228200.
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Glycosylation of Eag1 (Kv10.1) potassium channels: intracellular trafficking and functional consequences.
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N-Linked glycosylation is a common post-translational modification of membrane proteins. Here we report that mature Eag1 potassium channels carry sugar moieties linked to asparagines at positions 388 and 406. Asn-388 seems to undergo only core glycosylation, but complex sugars are bound to Asn-406. Correct complex glycosylation is required for proper trafficking of Eag1 to the plasma membrane but is also crucial for the correct function of channels already inserted in the membrane.
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Species referenced: Xenopus
Genes referenced: kcnh1