This entry represents a family of small proteins of approximately 73 amino acids found exclusively in tailed bacteriophages. The family is restricted to the class Caudoviricetes, particularly members of the family Demerecviridae. Within this family, the proteins are found in the genera Tequintavirus and Epseptimavirus. The function of these proteins remains to be determined.
","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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