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Transcript of unknown function
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<p>Transcripts of unknown function (TUFs) is the name that has been suggested for known <a href="/facts/RNA/HxPeNfNj">RNA transcripts</a> of <a href="/facts/DNA/nB89Iauz">DNA</a> whose function is unclear. Most are probably <a href="/facts/Non-coding_RNA/aXqyV5so">ncRNAs</a>, such as <a href="/facts/RNAi/oJRWBXJH">RNAi</a> or <a href="/facts/SnoRNA/lcWShLfJ">snoRNAs</a>, but could also represent a whole new class of ncRNA. Their <a href="/facts/DNA_sequence/hsPsNCQW">DNA sequences</a> reside in the <a href="/facts/Intergenic_region/magkGnx7">intergenic</a> or <a href="/facts/Intron/LS6YdBEK">intronic</a> regions of the <a href="/facts/Genome/31Sm08JT">genome</a>, which is often called <a href="/facts/Junk_DNA/zyTU8q8M">junk DNA</a>. </p>