This family consists of several hypothetical bacterial proteins which seem to be found exclusively in Rhizobium and Ralstonia species. Members of this family are typically around 210 residues in length and contain 5 highly conserved cysteine residues at their N-terminus. The function of this family is unknown.
","llm":false,"checked":false,"updated":false}],"wikipedia":[{"title":"Domain_of_unknown_function","extract":"A domain of unknown function (DUF) is a protein domain that has no characterised function. These families have been collected together in the Pfam database using the prefix DUF followed by a number, with examples being DUF2992 and DUF1220. As of 2019, there are almost 4,000 DUF families within the Pfam database representing over 22% of known families. Some DUFs are not named using the nomenclature due to popular usage but are nevertheless DUFs.
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