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21.
Oligomeric self-assembly of a coiled-coil-based bipyramidal protein cage
Fabio Lapenta, Jana Aupič, Žiga Strmšek, Roman Jerala, 2021, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: protein design, coiled coils, CCPO
Objavljeno v RUNG: 13.07.2021; Ogledov: 1938; Prenosov: 50
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Implicit water model within the Zimm-Bragg approach to analyze experimental data for heat and cold denaturation of proteins
Artem Badasyan, Sh. A. Tonoyan, Matjaž Valant, Jože Grdadolnik, 2021, izvirni znanstveni članek

Opis: Studies of biopolymer conformations essentially rely on theoretical models that are routinely used to process and analyze experimental data. While modern experiments allow study of single molecules in vivo, corresponding theories date back to the early 1950s and require an essential update to include the recent significant progress in the description of water. The Hamiltonian formulation of the Zimm-Bragg model we propose includes a simplified, yet explicit model of water-polypeptide interactions that transforms into the equivalent implicit description after performing the summation of solvent degrees of freedom in the partition function. Here we show that our model fits very well to the circular dichroism experimental data for both heat and cold denaturation and provides the energies of inter- and intra- molecular H-bonds, unavailable with other processing methods. The revealed delicate balance between these energies determines the conditions for the existence of cold dena- turation and thus clarifies its absence in some proteins.
Ključne besede: protein folding, cold denaturation, water, Zimm-Bragg model
Objavljeno v RUNG: 06.05.2021; Ogledov: 2026; Prenosov: 13
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Crystal structure of CNG mimicking NaK-ETPP mutant in complex with Na+
Matteo De March, L. M. R. Napolitano, S. Onesti, 2015, zaključena znanstvena zbirka raziskovalnih podatkov

Ključne besede: crystal structures, transport protein, Bacillus cereus ATCC 14579
Objavljeno v RUNG: 16.03.2021; Ogledov: 1861; Prenosov: 9
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