Table 2.

Genetic, cellular and functional information about yeast syntaxins

Syntaxins	Cellular localization	Null phenotype	Known function
Sso1p (YPL232W)	Plasma membrane	Viable	Transport to cell surface
Sso2p (YMR183C)	Plasma membrane	Vable	Transport to cell surface
Ufe1p (YOR075W)	ER	Lethal	ER homotypic fusion
Sed5p (YLR026C)	Golgi	Lethal	ER-Golgi transport; retrograde transport to Golgi
Tlg2p (YOL018C)	Golgi	Viable	Endosome biogenesis; cytoplasm to vacuole transport; endosomal recycling
Pep12p (YOR036W)	Golgi/vacuole/endosome	Viable	Vacuolar targeting
Vam3p (YOR106W)	Vacuole	Viable	Vacuolar targeting; phagosome fusion to vacuole