This family consists of hypothetical bacterial and phage proteins of around 59 residues in length. Bacterial members of this family seem to be specific to Enterobacteria. The function of this family is unknown. Structural modelling suggests this domain may bind nucleic acids [1].

1: Ab Initio Modeling Led Annotation Suggests Nucleic Acid Binding Function for Many DUFs. Rigden DJ; OMICS 2011;0:0-0. PMID:21348639