Results 61 to 70 of about 1,500,924 (266)

The Secret Language of Reactions: Symbols and Mechanisms in Organic Chemistry

Educación Química
Chemical reaction mechanisms serve as a fundamental tool for translating and exemplifying the known kinetics and thermodynamics associated with chemical reactions, offering insights into the intricacies of reaction pathways. While this tool enhances our
Kenneth Trejos Cuadra
doaj   +3 more sources

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

FEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav, Bogdan I. Florea, Sebastian Geibel   +2 more
wiley   +1 more source

Surface Chemistry and Catalysis: Understanding Interfaces for Enhanced Reactivity [PDF]

Iranian Journal of Chemistry & Chemical Engineering
Catalysis stands as a cornerstone of modern chemical processes, shaping industries from energy to pharmaceuticals. This review embarks on a comprehensive journey through the intricate interplay between surface chemistry and catalytic reactivity ...
Elnaz Minaie, Somayeh Jalali, Prshang Amiri, Farhad Ghafourifard, Esmaeil Gheshlaghi   +4 more
doaj   +1 more source

From junk to function — How weak selection in eukaryotes builds new parts and drives genomic complexity

FEBS Letters, EarlyView.
How do genomes gain new functional parts? In eukaryotes, which tend to evolve under weak selection, much of the genome is junk. Palazzo and Qiu borrow the logic of Markov chains to show how non‐functional DNA becomes functional through the appearance of intermediate states, which arise due to epistasis, buffering, and biochemical messiness, allowing ...
Alexander F. Palazzo, Yi Qiu
wiley   +1 more source

Enantiomerically Pure ansa-η⁵-Complexes of Transition Metals as an Effective Tool for Chirality Transfer

Molecules
Chiral ansa-η5-complexes of transition metals have shown remarkable efficacy in organometallic synthesis and catalysis. Additionally, enantiomerically pure ansa-complexes hold promise for the development of novel chiral materials and pharmaceuticals. The
Pavel V. Kovyazin, Leonard M. Khalilov, Lyudmila V. Parfenova   +2 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

FEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge, Vivian Pogenberg, Alexander Baumgart, Bente Siebels, Hartmut Schlüter, Michael Hecht‐Bucher, Aymelt Itzen   +6 more
wiley   +1 more source

Research progress on removing typical organic heavy metal complexes from water by adsorption

Gongye shui chuli
The efficient removal of low concentration, recalcitrant, and highly toxic organic heavy metal complexes in industrial wastewater is a hot issue in the field of heavy metal pollution control.
ZHANG Wei, LUO Xubiao, OUYANG Ting, LIU Zhengwei, XIONG Ping   +4 more
doaj   +1 more source

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

FEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui, Agnes Banreti, Armelle L. Ernst, Guillaume Leseigneur, Uwe J. Meierhenrich   +4 more
wiley   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

FEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil, Jeffrey A. Hawkes, Cecilia Blikstad, Pia Lindberg   +3 more
wiley   +1 more source

The Dimerization and Oligomerization of Alkenes Catalyzed with Transition Metal Complexes: Catalytic Systems and Reaction Mechanisms

Molecules
Dimers and oligomers of alkenes represent a category of compounds that are in great demand in diverse industrial sectors. Among the developing synthetic methods, the catalysis of alkene dimerization and oligomerization using transition metal salts and ...
Lyudmila V. Parfenova, Almira Kh. Bikmeeva, Pavel V. Kovyazin, Leonard M. Khalilov   +3 more
doaj   +1 more source