Title : The CLIP-170 homologue Bik1p promotes the phosphorylation and asymmetric localization of Kar9p.

Pub. Date : 2006 Jan

PMID : 16236795






6 Functional Relationships(s)
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1 The asymmetric localization of Kar9p to one spindle pole body (SPB) and microtubule (MT) plus ends requires Cdc28p. cdc28p Kar9p Saccharomyces cerevisiae S288C
2 In the absence of Bik1p, Kar9p localization is not restricted to the daughter-bound SPB, but it is instead found on both SPBs. sleep-promoting factor B Kar9p Saccharomyces cerevisiae S288C
3 The binding site of Clb5p on Kar9p maps to a short region within the basic domain of Kar9p that contains a conserved phosphorylation site, serine 496. Serine Kar9p Saccharomyces cerevisiae S288C
4 The binding site of Clb5p on Kar9p maps to a short region within the basic domain of Kar9p that contains a conserved phosphorylation site, serine 496. Serine Kar9p Saccharomyces cerevisiae S288C
5 Consistent with this, Kar9p is found on both SPBs in clb5delta mutants at a frequency comparable with that seen in kar9-S496A strains. sleep-promoting factor B Kar9p Saccharomyces cerevisiae S288C
6 Together, these data suggest that Bik1p promotes the phosphorylation of Kar9p on serine 496, which affects its asymmetric localization to one SPB and associated cytoplasmic MTs. Serine Kar9p Saccharomyces cerevisiae S288C