Results 41 to 50 of about 5,072,023 (302)

5 S rRNA: structure and interactions [PDF]

open access: yesBiochemical Journal, 2003
5S rRNA is an integral component of the large ribosomal subunit in all known organisms. Despite many years of intensive study, the function of 5S rRNA in the ribosome remains unknown. Advances in the analysis of ribosome structure that have revealed the crystal structures of large ribosomal subunits and of the complete ribosome from various organisms ...
Maciej, Szymański   +3 more
openaire   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Scalar quasinormal modes, Lyapunov exponents and radii of null geodesics of rotating regular black holes

open access: yesEuropean Physical Journal C: Particles and Fields
The quasinormal modes of massless scalar field in rotating Bardeen and Hayward regular black holes are studied. The fundamental quasinormal modes and $$n=1$$ n = 1 first overtone quasinormal modes are calculated with the matrix method.
Yating Peng, Jia-Hui Huang
doaj   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Revealing the mystery of the double charm tetraquark in pp collision

open access: yesEuropean Physical Journal C: Particles and Fields
A novel approach is proposed to probe the nature of the double charm tetraquark through the prompt production asymmetry between $$T_{\bar{c}\bar{c}}^-$$ T c ¯ c ¯ - and $$T_{cc}^+$$ T cc + in pp collisions.
Xue-Li Hua   +5 more
doaj   +1 more source

Nuclear Structure and Response based on Correlated Realistic NN Interactions

open access: yes, 2005
Starting from the Argonne V18 nucleon-nucleon (NN) interaction and using the Unitary Correlation Operator Method, a correlated interaction v_UCOM has been constructed, which is suitable for calculations within restricted Hilbert spaces.
Hergert, H.   +3 more
core   +2 more sources

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

Shape Reconstruction and Tip Force Estimation in Tendon-Driven Soft Robots Using Physics-Informed Neural Networks

open access: yesIEEE Access
This paper presents a theoretical model for the shape reconstruction of soft robots under a tip force, a tip moment, and a distributed load along the body, akin to blood flow forces acting on ablation catheters in the left atrium.
Reza Khoshbakht   +3 more
doaj   +1 more source

Mtr4 RNA helicase structures and interactions

open access: yesBiological Chemistry, 2021
Abstract Mtr4 is a Ski2-like RNA helicase that plays a central role in RNA surveillance and degradation pathways as an activator of the RNA exosome. Multiple crystallographic and cryo-EM studies over the past 10 years have revealed important insight into the Mtr4 structure and interactions with protein and nucleic acid binding partners ...
Keith J. Olsen, Sean J. Johnson
openaire   +3 more sources

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

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