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The Culprit Is in t...
The Culprit Is in the Cave : The Core Sites Explain the Binding Profiles of Amyloid-Specific Tracers
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- Murugan, N. Arul (författare)
- Karolinska Institutet,KTH,Teoretisk kemi och biologi,AlbaNova Univ Ctr, Royal Inst Technol KTH, Sch Biotechnol, Div Theoret Chem & Biol, S-10691 Stockholm, Sweden.
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- Halldin, Christer (författare)
- Karolinska Institutet
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- Nordberg, Agneta (författare)
- Karolinska Univ Hosp, Dept Neurobiol Care Sci & Soc, Ctr Alzheimer Res,Translat Alzheimer Neurobiol, Karolinska Inst,Dept Geriatr Med, S-14186 Stockholm, Sweden.
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- Långström, Bengt (författare)
- Uppsala universitet,Organisk kemi
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- Ågren, Hans (författare)
- KTH,Teoretisk kemi och biologi,AlbaNova Univ Ctr, Royal Inst Technol KTH, Sch Biotechnol, Div Theoret Chem & Biol, S-10691 Stockholm, Sweden.
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, ring (författare)
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(creator_code:org_t)
- 2016-08-12
- 2016
- Engelska.
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Ingår i: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 7:17, s. 3313-3321
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- The design of molecular probes and tracer molecules with specificity toward amyloid beta (A beta) fibrils is of paramount importance for the selective diagnosis of Alzheimer's disease. This requires a detailed understanding of the binding sites in amyloid targets, their number, and their binding mechanism for various tracer molecules. We adopt an integrated approach including molecular docking, molecular dynamics, and generalized Born-based free energy calculations to investigate site-specific interactions of different amyloid binding molecules. Our study reproduces the experimental results on the relative binding affinity of the tracers and amyloid binders and explains the feature of "multiple binding sites" in amyloid targets as probed by competition binding experiments. A major outcome of this study is that it is the core sites of the Afi fibrils that are responsible for the experimentally reported binding profiles of tracers in amyloid targets rather than the surface sites that received much focus in earlier investigations.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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