Results 81 to 90 of about 430,530 (226)
Biocatalysts for Peptide Geranylation With Linear and Cyclic Prenyl Groups
Angewandte Chemie International Edition, EarlyView.A combination of genome mining, synthetic biology, and biocatalytic assays revealed enzymes that install linear and cyclized prenyl moieties on ribosomally or chemically synthesized peptides. The promiscuity of both enzymes, while being specific for modification of C‐terminal tryptophans, enables enzymatic access to peptide terpenoid hybrids.
Sarolt Magyari +10 more
wiley +1 more source
Iso‐Tellurazole N‐Oxides Assemble Adaptively Folded Macrocyclic Dodecamers
Chemistry – A European Journal, EarlyView.Te…O Chalcogen bonding links twelve molecules into a ring that wraps itself around molecular guests. ABSTRACT Self‐assembled macrocyclic dodecamers were found in the crystals of new pseudo‐polymorphs of iso‐tellurazole N‐oxides. These structures are formed by molecules connected by NTe…O chalcogen bonds and are folded in a pattern that defines 89–153 ...
Jin Z. Wang +4 more
wiley +1 more source
Acta Crystallographica Section E, 2013 The asymmetric unit of the title compound, [Rb2(P2S6)(C12H24O6)2]·2CH3CN, contains one half of an [Rb(18-crown-6)2]2[P2S6] unit and one acetonitrile solvent molecule. The [Rb(18-crown-6)]2[P2S6] unit is completed by inversion symmetry.
Flora Qarri +2 more
doaj +1 more source
Modulation of Epigenetic Control by Advanced Molecular Tweezers
Chemistry – A European Journal, EarlyView.Tailored dimeric molecular tweezers recognize the DNA‐binding part of Histone H4 and interrupt the essential histone‐DNA interaction. ABSTRACT This work addresses the question if supramolecular systems can be tailored to interfere with posttranslational modifications (PTM) and epigenetics.
My‐Hue‐Le +9 more
wiley +1 more source
, 2003 Structural control of metalloporphyrinogens by macrocycle modification was discussed. Reactions of potassium metal with trans-N,N'-dimethyl-meso- octaethylporphyrinogen or meso-octaethyldioxaporphyronogen afford dipotassium complexes with one potassium ...
Peacock, EJ (15486914) +4 more
core
Chemistry – A European Journal, EarlyView.Understanding aromaticity has evolved from benzene‐centric concepts to a broad multidimensional framework spanning organic, inorganic, and excited‐state systems. This review highlights ambiguities between magnetic, electronic, geometric, and energetic descriptors, emphasizing the need for unified, multi‐criteria approaches.
Sílvia Escayola +2 more
wiley +1 more source
Heteroatom Chemistry, 2019 The host-guest complexation of six amine boranes (R3NBH3) by the macrocyclic host molecule cucurbit[7]uril (CB[7]) in aqueous solution has been investigated using 1H and 11B NMR spectroscopy.
Mona A. Gamal-Eldin, Donal H. Macartney
doaj +1 more source
Chemistry – A European Journal, EarlyView.The energy level diagrams for the ν(C═O) and the δ(N─H) vibrations, resulting of combining in‐phase and out‐of‐phase modes on the basis of their local symmetries, was built by applying the exciton coupling theory to a new class of chiral macrocycles, based on the 2,5‐diaminoterephthalate scaffold.
Samara Medina +4 more
wiley +1 more source
Experiments in Cavity QED: Exploring the Interaction of Quantized Light with a Single Trapped Atom [PDF]
, 2005 The experiments discussed in this thesis focus on the interaction of a single trapped atom with the single mode of a high-finesse optical cavity, in the regime of strong coupling.
Boca, Andreea
core +1 more source
A Solid‐Phase Approach to Chiral C2‐Substituted Cyclen and DOTA‐Like Lanthanoid Ligands
Chemistry – A European Journal, EarlyView.Chiral C2‐substituted cyclen derivatives have been designed and synthesized from chiral cyclic peptoids. Their conversion into the corresponding DOTA‐type ligands opens new avenues for the development of high‐relaxivity MRI contrast agents. ABSTRACT Magnetic resonance imaging (MRI) is a powerful diagnostic modality that relies on Gd+3‐based contrast ...
Rosaria Schettini +9 more
wiley +1 more source