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Article

The OST4 gene of Saccharomyces cerevisiae encodes an unusually small protein required for normal levels of oligosaccharyltransferase activity.

The Journal of biological chemistry - 9 Feb 1996

Chi J H, Roos J, Dean N

Abstract excerpt

Sodium vanadate is an effective drug for the enrichment of yeast mutants defective in glycosylation reactions that are carried out in the Golgi complex. We have isolated vanadate-resistant, hygromycin B-sensitive mutants that act at very early steps of N-linked glycosylation, occurring in the endoplasmic reticulum. Here we describe the phenotypic characterization of ost4, a vanadate-resistant mutant that is...

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Source

Identifiers

PMID: 8621712
DOI: 10.1074/jbc.271.6.3132

Genes

OST4

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

The OST4 gene of Saccharomyces cerevisiae encodes an unusually small protein required for normal levels of oligosaccharyltransferase activity.PMID 8621712Read ↗

The yeast VRG4 gene is required for normal Golgi functions and defines a new family of related genes.Semantic proximity Read ↗

The oligosaccharyltransferase complex from Saccharomyces cerevisiae. Isolation of the OST6 gene, its synthetic interaction with OST3, and analysis of the native complex.Semantic proximity Read ↗

A specific screen for oligosaccharyltransferase mutations identifies the 9 kDa OST5 protein required for optimal activity in vivo and in vitro.Semantic proximity Read ↗

Studies on the role of the hydrophobic domain of Ost4p in interactions with other subunits of yeast oligosaccharyl transferase.Semantic proximity Read ↗

Determination of the membrane topology of Ost4p and its subunit interactions in the oligosaccharyltransferase complex in Saccharomyces cerevisiae.Semantic proximity Read ↗

Studies on the N-glycosylation of the subunits of oligosaccharyl transferase in Saccharomyces cerevisiae.Semantic proximity Read ↗

Cellular Consequences of Diminished Protein O-Mannosyltransferase Activity in Baker's Yeast.Semantic proximity Read ↗

NMR and MD simulations reveal the impact of the V23D mutation on the function of yeast oligosaccharyltransferase subunit Ost4.Semantic proximity Read ↗

Sodium orthovanadate-resistant mutants of Saccharomyces cerevisiae show defects in Golgi-mediated protein glycosylation, sporulation and detergent resistance.Semantic proximity Read ↗

STT3, a highly conserved protein required for yeast oligosaccharyl transferase activity in vivo.Semantic proximity Read ↗

Identification of a gene, SOO1, which complements osmo-sensitivity and defect in in vitro beta1,3-glucan synthase activity in Saccharomyces cerevisiae.Semantic proximity Read ↗

Biochemistry, molecular biology, and genetics of the oligosaccharyltransferase.Semantic proximity Read ↗

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