Predicted to enable protein homodimerization activity. Predicted to be involved in endosomal transport; histone H3-K4 methylation; and subtelomeric heterochromatin assembly. Predicted to act upstream of or within chromatin organization. Predicted to be located in nucleoplasm and trans-Golgi network. Predicted to be part of MLL3/4 complex and Set1C/COMPASS complex. Is expressed in alimentary system; liver; lung; nose; and renal cortex. Orthologous to human DPY30 (dpy-30 histone methyltransferase complex regulatory subunit). [provided by Alliance of Genome Resources, Apr 2022]