This is a family of unknown function found in Eukaryotes. Family members such as the human CC1D2A protein Swiss:Q9P2K1, carry the domain architecture where Pfam:PF15625 and Pfam:PF00168 are found at the C-terminal region of this family. However, other family members such as Swiss:D6R9V3, do not carry either of the above mentioned Pfam families.