Copper binding and redox activity of α-synuclein in membrane-like environment

C Bacchella, F Camponeschi, P Kolkowska, A Kola… - Biomolecules, 2023 - mdpi.com
… To get more insight into the metal coordination sphere, the … The analysis of Cu 2+ interactions
was performed in the … of Cu 2+ allowed the identification of the Cu 2+ -binding regions in …

[HTML][HTML] Understanding the effect of the membrane-mimetic micelles on the interplay between α-synuclein and Cu (II)/Cu (I) cations

AB Uceda, R Ramis, K Pauwels, M Adrover… - Journal of Inorganic …, 2023 - Elsevier
bioinorganic chemistry underlying the development of PD demands the understanding of the
binding specificity of Cu(II)/Cu(I… techniques to analyse the binding affinity of Cu(II) and Cu(I) …

[HTML][HTML] How Cu (II) binding affects structure and dynamics of α-synuclein revealed by molecular dynamics simulations

L Savva, JA Platts - Journal of Inorganic Biochemistry, 2023 - Elsevier
… of α-Synuclein and its complex with two Cu(II) ions bound to experimentally determined
binding sites. Adding … The secondary structure characteristics exhibit a decrease in defined …

Membrane insertion exacerbates the α-Synuclein-Cu (II) dopamine oxidase activity: Metallothionein-3 targets and silences all α-synuclein-Cu (II) complexes

JS Calvo, NV Mulpuri, A Dao, NK Qazi… - Free Radical Biology and …, 2020 - Elsevier
… of Cu(I) 4 Zn 4 MT-3 featuring an unusual redox-inert Cu(I) 4 –… effect exerted by MT-3
towards α-Syn-Cu(II). This work provides … the deleterious bioinorganic chemistry of α-Syn-Cu(II). …

Metal interactions of α-synuclein probed by NMR amide-proton exchange

M Gonzalez-Garcia, G Fusco, A De Simone - Frontiers in Chemistry, 2023 - frontiersin.org
… NMR to elucidate the nature of the weak binding with Ca 2+ , Zn 2+ , Cu + , Cu 2+ , and Mn
2+ . Our approach was based on a comprehensive analysis of the metal interactions by αS, …

[HTML][HTML] Cu2+ ions modulate the interaction between α-synuclein and lipid membranes

H Wang, C Mörman, R Sternke-Hoffmann… - Journal of Inorganic …, 2022 - Elsevier
Cu 2+ ions impact the secondary structures of α-synuclein at an atomic level. Although the
secondary structure of α-synuclein … in LCP can provide further insight into our perception of the …

[HTML][HTML] Exploring the impact of mutation and post-translational modification on α-Synuclein: Insights from molecular dynamics simulations with and without copper

L Savva, JA Platts - Journal of Inorganic Biochemistry, 2023 - Elsevier
… as it could provide new insights into its development and progression … the changes in the
secondary structure characteristics. … 10 and pS129 forms of α-Synuclein, with and without Cu(II). …

Single-particle resolution of copper-associated annular α-synuclein oligomers reveals potential therapeutic targets of neurodegeneration

O Synhaivska, S Bhattacharya… - ACS Chemical …, 2022 - ACS Publications
… -dependent effect of Cu 2+ ions on the aggregation pathway of α-synuclein (α-Syn) proteins,
… absence of Cu 2+ ions from monomers to mature fibrils was resolved and quantified at the …

Crossroads between copper ions and amyloid formation in Parkinson's disease

P Wittung-Stafshede - Essays in Biochemistry, 2022 - portlandpress.com
… of Cu in the α-synuclein (aS) amyloid formation process. The … , are important to study for
insights into the origin and progression … Also, the amazing improvements in structural analysis of …

Copper ions and Parkinson's disease: why is homeostasis so relevant?

M Bisaglia, L Bubacco - Biomolecules, 2020 - mdpi.com
… -binding compound, was able to efficiently compete with α-synuclein for both Cu(I) and Cu(II)
binding, … the pathogenesis of PD and with the fact the Cu II -ATSM is able to stimulate SOD1 …