4mz0

Structure of a ketosynthase-acyltransferase di-domain from module CurL of the curacin A polyketide synthase

spinqualitylabelsall models 4mz0, resolution 2.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4mz0 is a 2 chain structure with sequence from Moorena producens 3L. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.8Å Ligands: CA Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function F4Y424_9CYAN Publication Abstract from PubMed Modular type I polyketide synthases (PKSs) are versatile biosynthetic systems that initiate, successively elongate, and modify acyl chains. Intermediate transfer between modules is mediated via docking domains, which are attractive targets for PKS pathway engineering to produce natural product analogs. We identified a class 2 docking domain in cyanobacterial PKSs and determined crystal structures for two docking domain pairs, revealing a distinct class 2 docking strategy for promoting intermediate transfer. The selectivity of class 2 docking interactions, demonstrated in binding and biochemical assays, could be altered by mutagenesis. We determined the ideal fusion location for exchanging class 1 and class 2 docking domains and demonstrated effective polyketide chain transfer in heterologous modules. Thus, class 2 docking domains are tools for rational bioengineering of a broad range of PKSs containing either class 1 or 2 docking domains. Cyanobacterial polyketide synthase docking domains: a tool for engineering natural product biosynthesis.,Whicher JR, Smaga SS, Hansen DA, Brown WC, Gerwick WH, Sherman DH, Smith JL Chem Biol. 2013 Nov 21;20(11):1340-51. doi: 10.1016/j.chembiol.2013.09.015. Epub , 2013 Oct 31. PMID:24183970 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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