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  • Title: Discrete domains of human U6 snRNA required for the assembly of U4/U6 snRNP and splicing complexes.
    Author: Bindereif A, Wolff T, Green MR.
    Journal: EMBO J; 1990 Jan; 9(1):251-5. PubMed ID: 2136831.
    Abstract:
    U6 snRNA sequences required for assembly of U4/U6 snRNP and splicing complexes were determined by in vitro reconstitution of snRNPs. Both mutagenesis and chemical modification/interference assays identify a U6 snRNA domain required for U4/U6 snRNP formation. The results support the existence of a U4/U6 snRNA interaction domain previously proposed on the basis of phylogenetic evidence. In addition, two short U6 snRNA regions flanking the U4/U6 interaction domain are essential to assemble the U4/U6 snRNP into splicing complexes. These two regions may represent binding sites for splicing factors or may facilitate the formation of an alternative U6 snRNA secondary structure during spliceosome assembly.
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