The A. thaliana ULCS1 gene encodes for a novel WD40-repeat protein.
10">AtULCS1 interacts with DDB1a and is a potential subunit of a DWD CRL complex.
15">AtULCS1 is involved in secondary wall modification and thickening.
RNAi-mediated silencing of AtULCS1 results in anther indehiscence and infertility.