In the process of mRNA degradation, may play a role in mRNA decapping. Forms a complex with DCP1A, DCP2, Me31B/DDX6 and EDC4/HEDLS (By similarity). Within this complex directly interacts with DCP1A, DCP2 and Me31B/DDX6 (PubMed:17923697, PubMed:18765641, PubMed:19285948). Homooligomer (PubMed:17923697). Interacts with Gyf (PubMed:31114929). Processing bodies (PB). Belongs to the EDC3 family.