Results 61 to 70 of about 22,282 (266)

Four-point functions in momentum space: conformal ward identities in the scalar/tensor case

European Physical Journal C: Particles and Fields, 2020
We derive and analyze the conformal Ward identities (CWI’s) of a tensor 4-point function of a generic CFT in momentum space. The correlator involves the stress–energy tensor T and three scalar operators O (TOOO).
Claudio Corianò, Matteo Maria Maglio, Dimosthenis Theofilopoulos   +2 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

New AdS2 backgrounds and N $$ \mathcal{N} $$ = 4 conformal quantum mechanics

Journal of High Energy Physics, 2021
We present a new infinite family of Type IIB backgrounds with an AdS2 factor, preserving N $$ \mathcal{N} $$ = 4 SUSY. For each member of the family we propose a precise dual Super Conformal Quantum Mechanics (SCQM).
Yolanda Lozano, Carlos Nunez, Anayeli Ramirez, Stefano Speziali   +3 more
doaj   +1 more source

Identification of a Shiga toxin A‐derived peptide internalized into Gb3 receptor‐bearing cells via interaction with the Shiga toxin B subunit

FEBS Letters, EarlyView.
The process of internalization of the Shiga toxin A subunit via formation of a complex with the Shiga toxin B subunit, which specifically binds to the Gb3 receptor. The peptide is designed to act as a carrier of drugs into cancer cells. Here, we explored the potential of peptides derived from the catalytic A subunit of Shiga toxin (STxA) to be drug ...
Giulia Opassi, João C. Encarnação, Valeria Napolitano, Grzegorz Dubin, Grzegorz Popowicz, Karl Andersson, U. Helena Danielson   +6 more
wiley   +1 more source

A Formula of Packing Pressure of a Factor Map

Entropy, 2017
In this paper, using the notion of packing pressure, we show a formula of packing pressure of a factor map. We also give an application in conformal repellers.
Cao Zhao, Ercai Chen, Xiucheng Hong, Xiaoyao Zhou   +3 more
doaj   +1 more source

The influence of conformational factors on the metabolic conjugation of aryloxyacetates

Journal of Pharmacy and Pharmacology, 1986
Abstract Among p-chlorophenoxyalkanoic acids, the acetate and 2-propionate are essentially inert towards metabolic conjugation, whereas the isobutyrate (clofibric acid) undergoes extensive glucuronidation, as well as amino acid conjugation in carnivores.
H, van de Waterbeemd, B, Testa, J, Caldwell   +2 more
openaire   +2 more sources

Conserved binding mode but diverse interfaces of MreC‐PBP2 interactions

FEBS Letters, EarlyView.
The crystal structure of abMreC reveals a conserved two β‐barrel architecture and provides structural insights into its role within the bacterial elongasome. The abMreC–abPBP2 complex model identifies the molecular basis of MreC‐mediated PBP2 recognition, contributing to the regulation of peptidoglycan synthesis.
Hyunseok Jang, Hyo Been Jin, Chang Min Kim, So Yeon Lee, Hyun Ho Park   +4 more
wiley   +1 more source

Conformal structure of singularities in some varying fundamental constants bimetric cosmologies

Scientific Reports
In this paper, we explore the conformal structure of singularities arising from varying fundamental constants using the method of Penrose diagrams. We employ a specific type of bimetric model featuring two different metrics.
Konrad Marosek, Adam Balcerzak
doaj   +1 more source

Masking singularities in Weyl gravity and Ricci flows

European Physical Journal C: Particles and Fields, 2021
Within vacuum Weyl gravity, we obtain a solution by which, using different choices of the conformal factor, we derive metrics describing (i) a bounce of the universe; (ii) toroidal and spherical wormholes; and (iii) a change in metric signature.
Vladimir Dzhunushaliev, Vladimir Folomeev   +1 more
doaj   +1 more source

A kinematic method to obtain conformal factors [PDF]

Journal of Mathematical Physics, 2000
Radial conformal motions are considered in conformally flat space–times and their properties are used to obtain conformal factors. The geodesic case leads directly to the conformal factor of Robertson–Walker universes. General cases admitting homogeneous expansion or orthogonal hypersurfaces of constant curvature are analyzed separately.
Herrero Debón, Alicia, Morales Lladosa, Juan Antonio   +1 more
openaire   +3 more sources