نتایج جستجو برای: from a structural perspective

تعداد نتایج: 14677562  

Journal: :Biochemical Society transactions 2013
Susan S Taylor Andrey Shaw Jiancheng Hu Hiruy S Meharena Alexandr Kornev

The catalytic (C) subunit of PKA was the first protein kinase structure to be solved, and it continues to serve as the prototype for the protein kinase superfamily. In contrast, by comparing many active and inactive kinases, we developed a novel 'spine' concept where every active kinase is composed of two hydrophobic spines anchored to a hydrophobic F-helix. The R-spine (regulatory spine) is dy...

2017
Michelle C. Miller Kevin H. Mayo

Chemokines are a family of small, highly conserved cytokines that mediate various biological processes, including chemotaxis, hematopoiesis, and angiogenesis, and that function by interacting with cell surface G-Protein Coupled Receptors (GPCRs). Because of their significant involvement in various biological functions and pathologies, chemokines and their receptors have been the focus of therap...

Journal: :Current opinion in cell biology 2007
David L Stokes

Desmosomes are cell-cell junctions responsible for maintaining the structural integrity of tissues by resisting shear forces. Defects result in diseases of mechanically challenged tissues such as skin and heart. The architectural design represents the key to understanding the strength and durability inherent to desmosomes. A number of different proteins contribute to this architecture, and X-ra...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...

Journal: :Current Opinion in Structural Biology 2020

Journal: :International Journal of Molecular Sciences 2020

This article aims to investigate structural and content attributes of university websites from the perspective of website users and developers. The study had two phases. First, a sample of graduate students and faculty members from Shahid Chamran University of Ahvaz, Sharif University of Technology and Tehran University of Arts were surveyed as users of websites. A checklist of attributes was u...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

the present paper offers a postcolonial reading of two of the best novels by v. s. naipaul – half a life and the mimic men – in five chapters. the focus of this research is on different notions of postcolonial criticism and their application on the two novels as discussed from homi bhabha’s and frantz fanons points of view. having introduced the life and literary career of v. s. naipaul in th...

Journal: :Journal of Lipid Research 2019

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

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