WD-40 repeat family protein. similar to signal transducer [Arabidopsis thaliana] (TAIR:AT4G22910.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO69179.1); similar to WD-repeat cell cycle regulatory protein [Glycine max] (GB:AAS13372.1); similar to B-type cell cycle switch protein ccs52B [Medicago truncatula] (GB:AAQ72359.1); contains InterPro domain WD40 repeat-like (InterPro:IPR011046); contains InterPro domain WD40/YVTN repeat-like (InterPro:IPR015943); contains InterPro domain WD40 repeat (InterPro:IPR001680); contains InterPro domain Cdc20/Fizzy (InterPro:IPR000002)