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<p>Receptor-interacting protein kinase 1 (RIPK1) is a key regulator of necroptotic signalling that forms functional amyloid fibrils through its RIP Homotypic Interaction Motif (RHIM). Here, we report the solid-state NMR chemical shift assignments for the rigid amyloid core of human RIPK1 fibrils, encompassing residues 529–552 within the RHIM. Assignments were obtained from uniformly <sup>13</sup>C,<sup>15</sup>N-labeled protein diluted with unlabeled protein and measured using cross-polarization magic angle spinning (CPMAS) experiments on a cryogenic probe. The dataset includes backbone and side-chain resonances for the ordered region and provides a basis for high-resolution structural and dynamics studies of RIPK1 and related RHIM-containing assemblies.</p>

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Resonance assignments of the human receptor interacting protein kinase 1 (RIPK1) in its fibrillar conformation

  • 期刊论文

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  • 发表日期：

    2025年9月15日

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  • Paula Polonio,
  • Miguel Mompeán

摘要

Receptor-interacting protein kinase 1 (RIPK1) is a key regulator of necroptotic signalling that forms functional amyloid fibrils through its RIP Homotypic Interaction Motif (RHIM). Here, we report the solid-state NMR chemical shift assignments for the rigid amyloid core of human RIPK1 fibrils, encompassing residues 529–552 within the RHIM. Assignments were obtained from uniformly 13C,15N-labeled protein diluted with unlabeled protein and measured using cross-polarization magic angle spinning (CPMAS) experiments on a cryogenic probe. The dataset includes backbone and side-chain resonances for the ordered region and provides a basis for high-resolution structural and dynamics studies of RIPK1 and related RHIM-containing assemblies.