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Author

Christos Gatsogiannis

2 papers indexed here

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Oct 2026

Cryo-EM Structure of a Monomeric Safracin B Nonribosomal Peptide Synthetase Enabled by an MbtH-like Protein and Covalent Probe Trapping

Nonribosomal peptide synthetases (NRPSs) assemble structurally complex natural products but remain challenging targets for high-resolution structural analysis because of their conformational heterogeneity and dynamic catalytic cycles. SacC/SfmC is an unusual single-module NRPS that diverges from canonical peptide-for...

Naoto Haraguchi, Kanami Takahashi, Kana Matsuda et al. · 0 citations
Open access Oct 2026

Structural dynamics of substrate processing by the p97-Ufd1-Npl4-FAF1 machinery

The AAA-ATPase VCP/p97 unfolds ubiquitylated proteins in key signaling and cellular homeostasis pathways, yet the mechanisms by which Ufd1-Npl4 and FAF1 adapters handle ubiquitin chains to coordinate substrate loading and processing remain unclear. Our cryo-EM study of p97-Ufd1-Npl4 and FAF1 engaging a substrate reveal...

Athina Drakonaki, J. van den Boom, Alexander Kröning et al. · 0 citations

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