This family consists of various uncharacterized phage proteins and a few bacterial proteins. The family members range in length from 82 to 229 amino acids, with most in the 180 to 200 amino acid range. They are found in phages that infect Pseudomonas, Xanthomonas, Acinetobacter, Escherichia, Rhodobacter, Sphingomonas, Achromobacter, and Burkholderia bacteria. Bacterial proteins in the family are from Candidatus Macondimonas diazotrophica, Verrucomicrobium sp. GAS474 and Pelodictyon phaeoclathratiforme. The function of these proteins is currently 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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