Structural highlights
FunctionAAR2_YEAST Involved in splicing pre-mRNA of the A1 cistron and other genes that are important for cell growth. Publication Abstract from PubMedThe identification of starting points for compound development is one of the key steps in early-stage drug discovery. Information-rich techniques such as crystallographic fragment screening can potentially increase the efficiency of this step by providing the structural information of the binding mode of the ligands in addition to the mere binding information. Here, we present the crystallographic screening of our 1000-plus-compound F2X-Universal Library against the complex of the yeast spliceosomal Prp8 RNaseH-like domain and the snRNP assembly factor Aar2. The observed 269 hits are distributed over 10 distinct binding sites on the surface of the protein-protein complex. Our work shows that hit clusters from large-scale crystallographic fragment screening campaigns identify known interaction sites with other proteins and suggest putative additional interaction sites. Furthermore, the inherent binding pose validation within the hit clusters may accelerate downstream compound optimization. Large-Scale Crystallographic Fragment Screening Expedites Compound Optimization and Identifies Putative Protein-Protein Interaction Sites.,Barthel T, Wollenhaupt J, Lima GMA, Wahl MC, Weiss MS J Med Chem. 2022 Oct 19. doi: 10.1021/acs.jmedchem.2c01165. PMID:36260741[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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