Search Results - "ULRICH H. E. HANSMANN"
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1
Folding Simulations of the A and B Domains of Protein G
Published in The journal of physical chemistry. B (14-06-2012)“…We study wild type and mutants of the A and B domain of protein G using all-atom Go-models. Our data substantiate the usefulness of such simulation for probing…”
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2
Inter-species cross-seeding: stability and assembly of rat-human amylin aggregates
Published in PloS one (08-05-2014)“…Diseases such as type 2 diabetes, Alzheimer's and Parkinson's share as common feature the accumulation of mis-folded disease-specific protein aggregates into…”
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3
Altering the Solubility of the Antibiotic Candidate NisinA Computational Study
Published in ACS omega (29-09-2020)“…The growing bacterial resistance to available antibiotics makes it necessary to look for new drug candidates. An example is the lanthionine-containing nisin,…”
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4
Stability of Osaka Mutant and Wild-Type Fibril Models
Published in The journal of physical chemistry. B (15-10-2015)“…Single amino acid mutations in amyloid-beta (Aβ) peptides can lead to early onset and increased severity of Alzheimer’s disease. An example is the Osaka…”
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5
Mutations and Seeding of Amylin Fibril-Like Oligomers
Published in The journal of physical chemistry. B (19-12-2013)“…Seeding a protein solution with preformed fibrils can dramatically enhance the growth rate of amyloids. As the seeds do not need to be of the same protein,…”
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6
Presence of a SARS-CoV‑2 Protein Enhances Amyloid Formation of Serum Amyloid A
Published in The journal of physical chemistry. B (19-08-2021)“…A marker for the severeness and disease progress of COVID-19 is overexpression of serum amyloid A (SAA) to levels that in other diseases are associated with a…”
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7
Optimized Explicit-Solvent Replica Exchange Molecular Dynamics from Scratch
Published in The journal of physical chemistry. B (28-08-2008)“…Replica exchange molecular dynamics (REMD) simulations have become an important tool to study proteins and other biological molecules in silico. However, such…”
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8
Effect of Lauric Acid on the Stability of Aβ42 Oligomers
Published in ACS omega (02-03-2021)“…While Alzheimer’s disease is correlated with the presence of Aβ fibrils in patient brains, the more likely agents are their precursors, soluble oligomers that…”
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9
Efficient sampling of protein structures by model hopping
Published in Physical review letters (23-09-2005)“…We introduce a novel simulation method, model hopping, that enhances sampling of low-energy configurations in complex systems. The approach is illustrated for…”
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10
Stability of Human Serum Amyloid A Fibrils
Published in The journal of physical chemistry. B (25-11-2020)“…In systemic amyloidosis, serum amyloid A (SAA) fibril deposits cause widespread damages to tissues and organs that eventually may lead to death. A…”
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11
SARS-COV-2 spike protein fragment eases amyloidogenesis of α-synuclein
Published in The Journal of chemical physics (07-07-2023)“…Parkinson's disease is accompanied by the presence of amyloids in the brain that are formed of α-synuclein chains. The correlation between COVID-19 and the…”
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12
Support vector machines for prediction of dihedral angle regions
Published in Bioinformatics (15-12-2006)“…Motivation: Most secondary structure prediction programs target only alpha helix and beta sheet structures and summarize all other structures in the random…”
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13
Stability of the N‑Terminal Helix and Its Role in Amyloid Formation of Serum Amyloid A
Published in ACS omega (30-11-2018)“…Colonic amyloidosis is the result of overexpression of the serum amyloid A (SAA) protein in inflammatory bowel disease or colon cancer. Crucial for amyloid…”
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14
Cleavage, Downregulation, and Aggregation of Serum Amyloid A
Published in The journal of physical chemistry. B (13-02-2020)“…Various diseases cause overexpression of the serum amyloid A (SAA) protein, which in some cases, but not in all cases, leads to amyloidosis as a secondary…”
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15
Self-Assembly of Phenylalanine-Based Molecules
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (05-03-2015)“…Using molecular dynamics, we study the self-assembly of phenylalanine with charged end-groups at various temperatures and concentrations. As in the case of…”
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16
The effect of retro-inverse D-amino acid Aβ-peptides on Aβ-fibril formation
Published in The Journal of chemical physics (07-03-2019)“…Peptides build from D-amino acids resist enzymatic degradation. The resulting extended time of biological activity makes them prime candidates for the…”
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17
Pearl-Necklace-Like Local Ordering Drives Polypeptide Collapse
Published in Macromolecules (13-08-2019)“…The collapse of the polypeptide backbone is an integral part of protein folding. Using polyglycine as a probe, we explore the nonequilibrium pathways of…”
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18
Bifurcated Hydrogen Bonds and the Fold Switching of Lymphotactin
Published in The journal of physical chemistry. B (30-07-2020)“…Lymphotactin (Ltn) exists under physiological conditions in an equilibrium between two interconverting structures with distinct biological functions. Using…”
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19
Multifunnel Landscape of the Fold-Switching Protein RfaH-CTD
Published in The journal of physical chemistry. B (08-02-2018)“…Proteins such as the transcription factor RfaH can change biological function by switching between distinct three-dimensional folds. RfaH regulates…”
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20
Ring-like N-fold Models of Aβ42 fibrils
Published in Scientific reports (26-07-2017)“…When assembling as fibrils Aβ 40 peptides can only assume U-shaped conformations while Aβ 42 can also arrange as S-shaped three-stranded chains. We show that…”
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