Results 41 to 50 of about 305,158 (217)
The compositional and evolutionary logic of metabolism [PDF]
Physical Biology 10, 011001 (2013), 2012 Metabolism displays striking and robust regularities in the forms of modularity and hierarchy, whose composition may be compactly described. This renders metabolic architecture comprehensible as a system, and suggests the order in which layers of that system emerged. Metabolism also serves as the foundation in other hierarchies, at least up to cellular
arxiv +1 more source
Classical planar algebraic curves realizable by quadratic polynomial differential systems [PDF]
, 2017 In this paper we show planar quadratic polynomial differentialsystems exhibiting as solutions some famous planar invariant algebraic curves. Also we put particular attention to the Darboux integrability of these differential systems.The author is ...
García, I. A. (Isaac A.), Llibre, Jaume
core +4 more sources
Optimization of Enzymatic Gas-Phase Reactions by Increasing the Long-Term Stability of the Catalyst [PDF]
, 2004 Enzymatic gas-phase reactions are usually performed in continuous reactors, and thus very stable and active catalysts are required to perform such transformations on cost-effective levels.
Büchs, Jochen, +4 more
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Cofactor-mediated amyloidogenesis [PDF]
Bioscience Reports, 2019 Abstract A recent study published in Bioscience Reports by Sheng et al. (Bioscience Reports, (2019) 39, pii:BSR20182345] described a small but significant conformational change that occurs upon zinc binding and results in initiation of the amyloidogenic aggregation cascade of Golgi-Associated plant Pathogenesis Related protein 1 (GAPR-1)
openaire +3 more sources
Protein S as Cofactor for TFPI [PDF]
Arteriosclerosis, Thrombosis, and Vascular Biology, 2009 In the last decades evidence was obtained that protein S not only acts as cofactor of activated protein C (APC) in the downregulation of coagulation, but also expresses anticoagulant activity in the absence of APC. The search for the mechanism(s) underlying the APC-independent anticoagulant activity of protein S was hampered by the fact that protein S ...
Tilman M. Hackeng, Jan Rosing
openaire +3 more sources
The electronic complexity of the ground-state of the FeMo cofactor of nitrogenase as relevant to quantum simulations [PDF]
, 2018 We report that a recent active space model of the nitrogenase FeMo cofactor, proposed in the context of quantum simulations, is not representative of the electronic structure of the FeMo cofactor ground-state. Although quantum resource estimates, outside of the cost of adiabatic state preparation, will not be much affected, conclusions should not be ...
arxiv +1 more source
Functional studies on oligotropha carboxidovorans molybdenum–copper CO dehydrogenase produced in escherichia coli [PDF]
, 2018 The Mo/Cu-dependent CO dehydrogenase (CODH) from Oligotropha carboxidovorans is an enzyme that is able to catalyze both the oxidation of CO to CO2 and the oxidation of H2 to protons and electrons. Despite the close to atomic resolution structure (1.1 Å),
Duffus, Benjamin R. +3 more
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Neutrino mass matrices with three or four vanishing cofactors and non diagonal charged lepton sector [PDF]
Phys. Rev. D 96, 095002 (2017), 2017 We investigate the texture structures of lepton mass matrices with four (five) non-zero elements in the charged lepton mass matrix and three (four) vanishing cofactors in the neutrino mass matrix. Using weak basis transformations, all possible textures for three and four vanishing cofactors in $M_{\nu}$ are grouped into 7 classes and predictions for ...
arxiv +1 more source
Parallel Texture Structures with Cofactor Zeros in Lepton Sector [PDF]
, 2014 In this paper we investigate the parallel texture structures with cofactor zeros in the charged lepton and neutrino sectors. The textures can not be obtained from arbitrary leptonic matrices by making weak basis transformations, which therefore have ...
Wang, Weijian
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Study of the cofactor conditions: conditions of supercompatibility between phases [PDF]
, 2013 The cofactor conditions, introduced in James and Zhang, are conditions of compatibility between phases in martensitic materials. They consist of three subconditions: i) the condition that the middle principal stretch of the transformation stretch tensor $\mathbf U$ is unity ($\lambda_2 = 1$), ii) the condition $\mathbf a \cdot \mathbf U\, \cof (\mathbf
arxiv +1 more source