Results 101 to 110 of about 3,793,930 (259)
European Physical Journal C: Particles and Fields, 2017 The decay modes $$\bar{B}_s \rightarrow \pi ^0(\rho ^0 )\,\eta ^{(')} $$ B ¯ s → π 0 ( ρ 0 ) η ( ′ ) are dominated by electroweak penguins that are small in the standard model.
Gaber Faisel
doaj +1 more source
‘Guide and Prejudice’— How Argonautes recognize targets across domains of life
FEBS Letters, EarlyView.Argonaute proteins use short nucleic‐acid guides to locate and regulate specific targets across all domains of life. Despite striking diversity—from human gene silencing to bacterial immune defence—all Argonautes share a conserved three‐stage recognition logic: guide‐directed sampling, progressive target pairing with a conformational checkpoint and ...
Jack P. K. Bravo
wiley +1 more source
Structural and biochemical analysis of a B12 superbinder
FEBS Letters, EarlyView.BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices +3 more
wiley +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
, 2016 Educação Infantil::Natureza e sociedadeGuia de experimento que permite demonstrar como encontrar e calcular o valor de PI de objetos ...
Varela, Antonio
core +2 more sources
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
Menulis Sitcom: Mencontohi Pi Mai Pi Mai Tang Tu
, 2018 Sitcom Pi Mai Pi Mai Tang Tu adalah sejarah dalam dunia penyiaran di Malaysia. Sitcom ini menjadi program televisyen yang bertahan paling lama, bermula tahun 1985 dan berterusan selama hampir 18 tahun. Inilah sejarah yang tercipta oleh dua orang karyawan
Khan, Hatta Azad
core +1 more source
"Study of α1-Antitrypsin Phenotypes Frequencies in Patients with Primary Antibody Deficiency "
Iranian Journal of Allergy, Asthma and Immunology, 2006 Primary antibody deficiencies are the most frequent primary immunodeficiency disorders. Bronchiectasis as a feature of these disorders may be developed due to some factors such α-1-antitrypsin deficiency.
Mohammad R. Fazlollahi +12 more
doaj
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