Is predicted to encode a protein with the following domains: Anaphase-promoting complex subunit 4, WD40 domain; WD domain, G-beta repeat; Anaphase-promoting complex subunit 4 WD40 domain; WD40-repeat-containing domain superfamily; WD40/YVTN repeat-like-containing domain superfamily; and WD40 repeat. Is an ortholog of C. elegans swd-2.1.