Cylk crystal structure cylindrocyclophane
WebThe cyanobacterial enzyme CylK assembles the cylindrocyclophane natural products by performing two unusual alkylation reactions, forming new carbon-carbon bonds between aromatic rings and secondary alkyl halide substrates. This transformation is unprecedented in biology and the structure and mechanism of CylK are unknown. Here, we report x-ray … WebJul 29, 2024 · Friedel-Crafts alkylation enzyme CylK mutant H391A. PDB DOI: 10.2210/pdb7FH8/pdb. Classification: BIOSYNTHETIC PROTEIN. Organism (s): Cylindrospermum licheniforme UTEX B 2014. Expression System: Escherichia coli.
Cylk crystal structure cylindrocyclophane
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WebMay 26, 2024 · The overlay of the crystal structure with the co-crystallized ligand 2-azasqualene and the calculated binding mode of the geranyl phenyl ether show that 1 folds into the active pocket in the opposite direction to the 2-azasqualene. However, the double bond of the first isoprene units is positioned appropriately for initial protonation by the D376. WebMar 23, 2024 · Bioassay-guided fractionation led to the isolation of five glycosylated cylindrocyclophanes, named ribocyclophanes A-E (1-5) and cylindrocyclophane D (6). The structure determination was carried out by HRESIMS and 1D and 2D NMR analyses and confirmed by single-crystal X-ray crystallography.
WebCylindrocyclophanes were the first cyclophanes found in nature, isolated from a species of cyanobacteria, and have proven to be an interesting group of compounds to study due to their unusual molecular structure and intriguing biological possibilities, especially its cytotoxicity to some cancer cell lines. Contents 1 Origin 2 Structure WebJul 29, 2024 · Total Structure Weight: 73.19 kDa Atom Count: 5,789 Modelled Residue Count: 653 Deposited Residue Count: 667 Unique protein chains: 1 Display Files Download Files 7FH6 Friedel-Crafts alkylation enzyme CylK PDB DOI: 10.2210/pdb7FH6/pdb Classification: BIOSYNTHETIC PROTEIN Organism (s): Cylindrospermum licheniforme …
WebCylK is the key enzyme to catalyze the formation of the cylindrocyclophane scaffold through the Friedel-Crafts alkylation reactions with regioselectivity and stereospecificity. … WebFeb 25, 2024 · The CylK X-ray crystal structure reveals a distinct arrangement of two protein domains. ( A) An overall view of the structure of CylK. In this image and throughout, calcium ions are shown as blue spheres, magnesium ions as dark gray spheres, and chloride ions as green spheres. The … see more Figure 2—figure supplement 1 2+ 2+ …
WebCylK is the key enzyme that catalyzes the formation of the cylindrocyclophane scaffold through the Friedel–Crafts alkylation reactions with regioselectivity and stereospecificity. Further research demonstrates that CylK can accept other resorcinol rings and secondary alkyl halides as substrates.
WebOur X-ray crystal structures reveal that CylK is a distinctive fusion of Ca2+-binding and β-propeller domains, and site-directed mutagenesis and anomalous diffraction with bound bromide ions locate the active site to the domain interface. raw and more pet suppliesWebDec 2, 2024 · The cyanobacterial enzyme CylK assembles the cylindrocyclophane natural products by performing two unusual alkylation reactions, forming new … simple chicken dhansak recipeWebFeb 25, 2024 · The cyanobacterial enzyme CylK assembles the cylindrocyclophane natural products by performing two unusual alkylation reactions, forming new carbon … simple chicken chinese recipesWebJan 26, 2024 · CylK is the key enzyme that catalyzes the formation of the cylindrocyclophane scaffold through the Friedel–Crafts alkylation reactions with regioselectivity and stereospecificity. Further research demonstrates that CylK can … pubs.acs.org simple chicken cornish pasty recipeWebFeb 25, 2024 · Europe PMC is an archive of life sciences journal literature. simple chicken curry recipe australiaWebJun 26, 2024 · Figure 1: Construction of the paracyclophane scaffold of the cylindrocyclophanes involves enzymatic aromatic ring alkylation with an alkyl chloride. ( a) Structures of the cylindrocyclophanes... simple chicken dinner ideas for 2WebIn hydrocarbon: Nomenclature of alkenes and alkynes. …of an alkyne is linear, cycloalkynes are possible only when the number of carbon atoms in the ring is large enough to confer … raw and mossad