This entry represents the N-terminal domain from a family of uncharacterised proteins found predominantly in Proteobacteria that contain two domains. The proteins are distributed among various orders including Burkholderiales, Rhodobacterales, and Hyphomicrobiales. The proteins in this family are typically around 240 to 250 amino acids in length.
","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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