This family of proteins is found in eukaryotes. Proteins in this family are typically between 167 and 308 amino acids in length. The exact function of this protein remains unknown, but it is thought to be a single-pass membrane protein. This family contains many highly conserved cysteine residues.
","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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