Results 81 to 90 of about 8,326,384 (290)
The Distribution of Complex Organic Molecules in the Orion KL Molecular Core [PDF]
, 2011 We conducted high angular-resolution observations toward the massive star-forming region Orion KL at 1.3 mm using the Submillimeter Array (SMA). Spectral emission from twelve complex organic molecules was simultaneously imaged.
Charnley, Steven B. +3 more
core
Gas-Phase vs. Grain-Surface Formation of Interstellar Complex Organic Molecules: A Comprehensive Quantum-Chemical Study. [PDF]
Int J Mol Sci, 2023 Martínez-Bachs B, Rimola A.
europepmc +1 more source
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 +2 more
wiley +1 more source
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
Research Program for Organic Food and Farming in Finland [PDF]
, 2005 The Finnish Ministry of Agriculture and Forestry started a three-year Research Programme on Organic Food and Farming in 2003. The programme consists of 15 projects on different themes covering the whole food chain and has an annual budget of about 2.2 ...
Nykaenen, Arja, Nykänen, Arja
core
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 +6 more
wiley +1 more source
One-dimensional and time-dependent modelling of complex organic molecules in protostars
Astronomy & AstrophysicsComplex organic molecules (COMs), the building blocks of life, have been extensively detected under various physical conditions, from quiescent clouds to star-forming regions.
Tram Le Ngoc +7 more
doaj +1 more source
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 +3 more
wiley +1 more source
Near-UV Spectrum of the Hexamethylenetetramine Cation
The Astrophysical JournalHexamethylenetetramine (HMT; (CH _2 ) _6 N _4 ) is a complex cage-like molecule that forms by the reaction of ammonia with formaldehyde, two of the most prevalent components of ice mantles on interstellar dust grains.
Parker Crandall +3 more
doaj +1 more source
Organic material in meteorites and the link to the origin of life
BIO Web of Conferences, 2014 Life requires specific conditions that have been, so far, only proven to meet on Earth. Though the chemical elements required to form living organism (C, H, N, O, S, etc) are widespread in the universe, the molecules that are crucial for Life, like ...
Remusat L.
doaj +1 more source