Swiss:Q99222 has been shown to interact with the outer plaque of the spindle pole body [1]. In Aspergillus nidulans the protein member is necessary for stabilization of the polarity axes during septation [2]. and in S. cerevisiae it functions as a polarisation-specific docking factor [3].

1: YOR129c, a new element interacting with Cnm67p, a component of the spindle pole body of Saccharomyces cerevisiae. Wysocka M, Bialkowska A, Micialkiewicz A, Kurlandzka A; Acta Biochim Pol. 2003;50:883-890. PMID:14515169

2: MesA, a novel fungal protein required for the stabilization of polarity axes in Aspergillus nidulans. Pearson CL, Xu K, Sharpless KE, Harris SD; Mol Biol Cell. 2004;15:3658-3672. PMID:15155805

3: Afi1p functions as an Arf3p polarization-specific docking factor for development of polarity. Tsai PC, Lee SW, Liu YW, Chu CW, Chen KY, Ho JC, Lee FJ; J Biol Chem. 2008;283:16915-16927. PMID:18397879