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. 2016 Nov 25;6:37840. doi: 10.1038/srep37840

Figure 3. Structural model of the wild type Prp3 in the spliceosomal U4/U6.U5 tri-snRNP from S. cerevisiae. The residues (words in red) shown in the figures are completely conserved with the mutated residues in human PRPF3 by MSA.

Figure 3

The positions of those residues in human PRPF3 indicated in the figures, which correspond to the same residues in Prp3 of Saccharomyces cerevisiae S288c (NP_010761.3) respectively by MSA of PRPF3 from Homo sapiens to yeast. (a) Both amino acid H (yellow) and R (yellow) play a key role in Prp3 (purple)-U4/U6 snRNA duplex (brown) interaction.(b) The residues (pointed out by red open arrows)of Prp3 (purple) are important in protein-protein interaction.