Fig. 2From: De-DUFing the DUFs: Deciphering distant evolutionary relationships of Domains of Unknown Function using sensitive homology detection methodsVenn diagrams representing distribution of families in different biological kingdoms. a The distribution of all Pfam families b the distribution of 3,087 DUFs with no structural or functional information and c the distribution of 614 DUFs with SCOP superfamily assignments, in different kingdomsBack to article page