Cwh6 is a temperature-sensitive cell wall mutant of Saccharomyces cerevisiae. CWH6 was found to be identical to SPT14, a gene that is highly homologous to both human PIG-A and to RFAK from Salmonella typhimurium. PIG-A and RFAK are involved in transferring N-acetylglucosamine to, respectively, a GPI anchor precursor and to lipopolysaccharides. Because cell walls of cwh6 are greatly reduced in mannose, and because some cell wall proteins are known to be incorporated into the cell wall through a GPI-anchor dependent mechanism, we propose that Spt14p/Cwh6p is involved in transferring N-acetylglucosamine to a precursor of GPI anchors. We further propose that the majority of cell wall proteins are incorporated into the cell wall through a GPI anchor.
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|Evidence ID||Analyze ID||Gene||Gene Systematic Name||Gene Ontology Term||Gene Ontology Term ID||Qualifier||Aspect||Method||Evidence||Source||Assigned On||Reference||Annotation Extension|
|Evidence ID||Analyze ID||Gene||Gene Systematic Name||Phenotype||Experiment Type||Experiment Type Category||Mutant Information||Strain Background||Chemical||Details||Reference|
|Evidence ID||Analyze ID||Regulator||Regulator Systematic Name||Target||Target Systematic Name||Experiment||Conditions||Strain||Source||Reference|