Results 91 to 100 of about 19,917 (239)

A three-level regulatory mechanism of the aldo-keto reductase subfamily AKR12D

Nature Communications
Modulation of protein function through allosteric regulation is central in biology, but biomacromolecular systems involving multiple subunits and ligands may exhibit complex regulatory mechanisms at different levels, which remain poorly understood. Here,
Zhihong Xiao, Jinyin Zha, Xu Yang, Tingting Huang, Shuxin Huang, Qi Liu, Xiaozheng Wang, Jie Zhong, Jianting Zheng, Rubing Liang, Zixin Deng, Jian Zhang, Shuangjun Lin, Shaobo Dai   +13 more
doaj   +1 more source

Absence of Functional Autoantibodies Targeting Angiotensin II Receptor Type 1 and Endothelin‐1 Type A Receptor in Circulation and Purified IgG From Patients With Systemic Sclerosis

Arthritis &Rheumatology, EarlyView.
Objective Systemic sclerosis (SSc) is a rare but severe autoimmune disease characterized by immune dysregulation, fibrosis, and vasculopathy. Although previous studies have highlighted the presence of functional autoantibodies targeting the angiotensin II receptor type 1 (AT1) and endothelin‐1 type A receptor (ETAR), leading to autoantibody‐mediated ...
Wieke M. van Oostveen, Eva M. Hoekstra, E. W. Nivine Levarht, Ilana B. Kotliar, Thomas P. Sakmar, René E. M. Toes, Jeska K. de Vries‐Bouwstra, Laura H. Heitman, Cynthia M. Fehres   +8 more
wiley   +1 more source

The role of calcium‐sensitive receptor in ovalbumin‐induced airway inflammation and hyperresponsiveness in juvenile mice with asthma

The Kaohsiung Journal of Medical Sciences, Volume 38, Issue 12, Page 1203-1212, December 2022., 2022
Abstract The role of the calcium‐sensitive receptor (CaSR) was assessed in a juvenile mouse model of asthma induced by ovalbumin (OVA). The experiment was divided into normal control, OVA, and OVA +2.5/5 mg/kg NPS2143 (a CaSR antagonist) groups.
Zhao‐Yan Xiang, Di‐Di Tao
wiley   +1 more source

Mapping the intramolecular signal transduction of G-protein coupled receptors [PDF]

Proteins: Struct. Funct. Bioinfo. 2013, 2013
G-protein coupled receptors (GPCRs), a major gatekeeper of extracellular signals on plasma membrane, are unarguably one of the most important therapeutic targets. Given the recent discoveries of allosteric modulations, an allosteric wiring diagram of intramolecular signal transductions would be of great use to glean the mechanism of receptor regulation.
arxiv  

Allosteric regulation of neuronal nitric oxide synthase by tetrahydrobiopterin and suppression of auto-damaging superoxide [PDF]

, 2000
Peter Kotsonis, L. Fröhlich, Zhanna V. Shutenko, Renate Horejsi, Wolfgang Pfleiderer, Harald Schmidt   +5 more
openalex   +2 more sources

Topological characterization of the continuum of allosteric response [PDF]

arXiv
Allosteric regulation in proteins is often accompanied by conformational changes that facilitate transmission of mechanical signals between distant ligand binding sites. Typically, these deformations are classified in terms of specific archetypes, including various types of hinge mechanisms or allosteric pathways localized to sequences of amino acids ...
arxiv  

Sensitivity Amplification in the Phosphorylation-Dephosphorylation Cycle: Nonequilibrium steady states, chemical master equation and temporal cooperativity [PDF]

Journal of Chemical Physics 2008, 2009
A new type of cooperativity termed temporal cooperativity [Biophys. Chem. 105 585-593 (2003), Annu. Rev. Phys. Chem. 58 113-142 (2007)], emerges in the signal transduction module of phosphorylation-dephosphorylation cycle (PdPC). It utilizes multiple kinetic cycles in time, in contrast to allosteric cooperativity that utilizes multiple subunits in a ...
arxiv  

The auto-inhibition mechanism of transcription factor Ets-1 induced by phosphorylation on the intrinsically disordered region

Computational and Structural Biotechnology Journal, 2022
As the most abundant post-translation modifications (PTMs), the phosphorylation usually occurred on the intrinsically disordered regions (IDRs). The regulation on the structures and interactions of IDRs induced by phosphorylation is critical to the ...
Shangbo Ning, Hong-Jun Chao, Shuangli Li, Rui Zhou, Lei Zou, Xu Zhang, Jun Liu, Dazhong Yan, Mojie Duan   +8 more
doaj  

A multi-scale analysis of the CzrA transcription repressor highlights the allosteric changes induced by metal ion binding [PDF]

Allosteric regulation is a widespread strategy employed by several proteins to transduce chemical signals and perform biological functions. Metal sensor proteins are exemplary in this respect, e.g., in that they selectively bind and unbind DNA depending on the state of a distal ion coordination site.
arxiv   +1 more source

Combinatorial Control through Allostery [PDF]

arXiv, 2018
Many instances of cellular signaling and transcriptional regulation involve switch-like molecular responses to the presence or absence of input ligands. To understand how these responses come about and how they can be harnessed, we develop a statistical mechanical model to characterize the types of Boolean logic that can arise from allosteric molecules
arxiv