Results 91 to 100 of about 1,056,281 (276)

Black hole evaporation and large extra dimensions [PDF]

Physics Letters B, 2000
LaTeX with elsart.sty, 10 pages, 1 EPS figure. Replaced with final version to appear in Phys.
Casadio R., Harms B.
openaire   +3 more sources

dUTPase is essential in zebrafish development and possesses several single‐nucleotide variants with pronounced structural and functional consequences

FEBS Open Bio, EarlyView.
dUTPases are involved in balancing the appropriate nucleotide pools. We showed that dUTPase is essential for normal development in zebrafish. The different zebrafish genomes contain several single‐nucleotide variations (SNPs) of the dut gene. One of the dUTPase variants displayed drastically lower protein stability and catalytic efficiency as compared ...
Viktória Perey‐Simon, Angéla Békesi, Latifa Kazzazy, Jázmin Mihály, Máté Varga, Beáta G. Vértessy, Kinga Nyíri   +6 more
wiley   +1 more source

A new mechanism for symmetry breaking from nilmanifolds

Journal of High Energy Physics, 2020
We present a method to obtain a scalar potential at tree level from a pure gauge theory on nilmanifolds, a class of negatively-curved compact spaces, and discuss the spontaneous symmetry breaking mechanism induced in the residual Minkowski space after ...
David Andriot, Alan Cornell, Aldo Deandrea, Fabio Dogliotti, Dimitrios Tsimpis   +4 more
doaj   +1 more source

Analytical Green’s functions for continuum spectra

Journal of High Energy Physics, 2021
Green’s functions with continuum spectra are a way of avoiding the strong bounds on new physics from the absence of new narrow resonances in experimental data.
Eugenio Megías, Mariano Quirós
doaj   +1 more source

C2α‐carbanion‐protonating glutamate discloses tradeoffs between substrate accommodation and reaction rate in actinobacterial 2‐hydroxyacyl‐CoA lyase

FEBS Open Bio, EarlyView.
Enzymes of the 2‐hydroxyacyl‐CoA lyase group catalyze the condensation of formyl‐CoA with aldehydes or ketones. Thus, by structural adaptation of active sites, practically any pharmaceutically and industrially important 2‐hydroxyacid could be biotechnologically synthesized. Combining crystal structure analysis, active site mutations and kinetic assays,
Michael Zahn, Barbara Seroka, Ryszard Lazny, Zenon Lotowski, Thore Rohwerder   +4 more
wiley   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei, Fredrik Orädd, Konstantinos Magkakis, Magnus Andersson   +3 more
wiley   +1 more source

Linear stability of f(R, ϕ, X) thick branes: tensor perturbations

Journal of High Energy Physics, 2018
We explore thick branes in f (R, ϕ, X) gravity. We obtain the linear tensor perturbation equation of f (R, ϕ, X) branes and show that the branes are stable against the tensor perturbations under the condition of ∂ f R ϕ X ∂ R > 0 $$ \frac{\partial f\left(
Zheng-Quan Cui, Yu-Xiao Liu, Bao-Min Gu, Li Zhao   +3 more
doaj   +1 more source

Chameleon sequences reveal structural effects in proteins representing micelle‐like distribution of hydrophobicity

FEBS Open Bio, EarlyView.
Amino acids sequence of two different proteins with the same sequence (chameleon sequence—black boxes) represent in 3D structure of the proteins different secondary structures: HHHH—helical and BBB—Beta‐structural. The chains folded in water environment adopt different III‐order structures in which the chameleon fragments appear to adopt similar status
Irena Roterman, Katarzyna Stapor, Leszek Konieczny, Krzysztof Gądek, Piotr Nowakowski   +4 more
wiley   +1 more source

Large Extra Dimensions and Decaying KK Recurrences

, 2003
We suggest the possibility that in ADD type brane-world scenarios, the higher KK excitations of the graviton may decay to lower ones owing to a breakdown of the conservation of extra dimensional ``momenta'' and study its implications for astrophysics and
A. Dar, A. Masiero, A. Mazumdar, A. Pilaftsis, A. Pérez-Lorenzana, A.M. Green, C. Hanhart, C. Hanhart, C.D. Hoyle, D. Acosta, D. Acosta, D. Lyth, D.J. Thompson, D.J.H. Chung, E. Witten, E.A. Mirabelli, E.A. Mirabelli, E.J. Squires, G. Domokos, G. Dvali, G. Shiu, G.F. Giudice, G.F. Giudice, G.R. Dvali, G.W. Gibbons, I. Antoniadis, I. Antoniadis, I. Antoniadis, I. Antoniadis, J. Alvarez-Muñiz, J. Cline, J. Esposito, J. Hewett, J. Lykken, J.C. Long, J.L. Hewett, K. Benakli, K. Benakli, K. Benakli, K. Cheung, L. Anchordoqui, L.A. Anchordoqui, L.J. Hall, M. Biesiada, M. Visser, N. Arkani-Hamed, N. Arkani-Hamed, N. Arkani-Hamed, N. Arkani-Hamed, N. Arkani-Hamed, N. Kaloper, P. Harava, P. Harava, P. Kanti, P. Mathews, R. Allaverdi, R. Emparan, R. N. Mohapatra, R.N. Mohapatra, S. Cullen, S. Dimopoulos, S. Hannestad, S. Hannestad, S. Hannestad, S. Hannestad, S. Nussinov, S. Nussinov, S.B. Giddings, S.C. Ahern, T. Han, T. Han, T. Matsuda, V. Barger, V.A. Rubakov, Z. Kakushadze   +74 more
core   +1 more source

Exon 7 splicing of ERα predicts poor prognosis and increases phenotypic heterogeneity in luminal a subtype breast cancer

FEBS Open Bio, EarlyView.
ERα splice variant ERα∆7 lacks the C‐terminus, and its expression may change phenotypes of breast cancers. Our results showed that ERα∆7 is found in the luminal A subtype, and elevated ERα∆7 levels are linked to improved cell survival with lower proliferation and migration.
Long Wai Tsui, Taobo Hu, Thomson Christian Husein, Wai Hei Shek, Bingrong Chen, Depeng Wang, Shu Wang, Weichuan Yu, Xiaodan Fan, Mengping Long, Toyotaka Ishibashi   +10 more
wiley   +1 more source