{"metadata":{"accession":"PF06121","entry_id":null,"type":"domain","go_terms":null,"source_database":"pfam","member_databases":null,"integrated":"IPR010363","hierarchy":null,"name":{"name":"Domain of Unknown Function (DUF959)","short":"DUF959"},"description":[{"text":"<p>This N-terminal domain is not expressed in the 'Short' isoform of Collagen A [[cite:PUB00012268]].</p>","llm":false,"checked":false,"updated":false}],"wikipedia":[{"title":"Domain_of_unknown_function","extract":"<p>A <b>domain of unknown function</b> (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.</p>","thumbnail":null}],"literature":{"PUB00012268":{"PMID":9503365,"ISBN":null,"volume":"16","issue":"6","year":1998,"title":"Complete primary structure of two variant forms of human type XVIII collagen and tissue-specific differences in the expression of the corresponding transcripts.","URL":null,"raw_pages":"319-28","medline_journal":"Matrix Biol","ISO_journal":"Matrix Biol.","authors":["Saarela J","Ylikarppa R","Rehn M","Purmonen S","Pihlajaniemi T."],"DOI_URL":"http://dx.doi.org/10.1016/S0945-053X(98)90003-8"}},"set_info":null,"overlaps_with":null,"counters":{"subfamilies":0,"domain_architectures":36,"interactions":0,"matches":314,"pathways":0,"proteins":310,"proteomes":164,"sets":0,"structural_models":{"alphafold":37},"structures":0,"taxa":621},"entry_annotations":{"hmm":0,"logo":0,"alignment:seed":2,"alignment:full":215},"cross_references":{},"is_llm":false,"is_reviewed_llm":false,"is_updated_llm":false,"representative_structure":null}}