Crystal Structure of the Human Oncogenic Splice Variant Rac1b Fused with the Scaffold Protein POSH (residues 319-348)

Crystal Structure of the Human Oncogenic Splice Variant Rac1b Fused with the Scaffold Protein POSH (residues 319-348) Descriptor: CHLORIDE ION, Isoform B of Ras-related C3 botulinum toxin substrate 1,E3 ubiquitin-protein ligase SH3RF1, MAGNESIUM ION, ... Authors: Kjaer, L.F, Ielasi, F.S, Palencia, A, Jensen, M.R. Deposit date: 2025-12-08 Release date: 2026-07-01 Last modified: 2026-07-29 Method: X-RAY DIFFRACTION (1.774 Å) Cite: Alternative Splicing of a Structured Partner Alters the Folding-Upon-Binding Trajectory of an Intrinsically Disordered Protein. J.Am.Chem.Soc., 148, 2026