6ewt

Solution Structure of Rhabdopeptide NRPS Docking Domain Kj12B-NDD

spinqualitylabelsall models 6ewt Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6ewt is a 1 chain structure with sequence from Xenorhabdus stockiae. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A0A173DW12_9GAMM Publication Abstract from PubMed Several peptides in clinical use are derived from non-ribosomal peptide synthetases (NRPS). In these systems multiple NRPS subunits interact with each other in a specific linear order mediated by specific docking domains (DDs), whose structures are not known yet, to synthesize well-defined peptide products. In contrast to classical NRPSs, single-module NRPS subunits responsible for the generation of rhabdopeptide/xenortide-like peptides (RXPs) can act in different order depending on subunit stoichiometry thereby producing peptide libraries. To define the basis for their unusual interaction patterns, we determine the structures of all N-terminal DDs ((N)DDs) as well as of an (N)DD-(C)DD complex and characterize all putative DD interactions thermodynamically for such a system. Key amino acid residues for DD interactions are identified that upon their exchange change the DD affinity and result in predictable changes in peptide production. Recognition rules for DD interactions are identified that also operate in other megasynthase complexes. Structure-based redesign of docking domain interactions modulates the product spectrum of a rhabdopeptide-synthesizing NRPS.,Hacker C, Cai X, Kegler C, Zhao L, Weickhmann AK, Wurm JP, Bode HB, Wohnert J Nat Commun. 2018 Oct 19;9(1):4366. doi: 10.1038/s41467-018-06712-1. PMID:30341296 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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