Structural metamorphism and polymorphism in proteins on the brink of thermodynamic stability

P Kulkarni, TL Solomon, Y He, Y Chen… - Protein …, 2018 - Wiley Online Library
The classical view of the structure–function paradigm advanced by Anfinsen in the 1960s is
that a protein's function is inextricably linked to its three‐dimensional structure and is …

A review of visualisations of protein fold networks and their relationship with sequence and function

J Sykes, BR Holland, MA Charleston - Biological Reviews, 2023 - Wiley Online Library
Proteins form arguably the most significant link between genotype and phenotype.
Understanding the relationship between protein sequence and structure, and applying this …

Extant fold-switching proteins are widespread

LL Porter, LL Looger - … of the National Academy of Sciences, 2018 - National Acad Sciences
A central tenet of biology is that globular proteins have a unique 3D structure under
physiological conditions. Recent work has challenged this notion by demonstrating that …

Mechanisms of pearlite spheroidization

YL Tian, RW Kraft - Metallurgical transactions A, 1987 - Springer
A study of the mechanisms of pearlite spheroidization under static annealing conditions was
carried out in two materials—AISI 1080 steel and pure Fe-C alloy. By electrolytically etching …

Many dissimilar NusG protein domains switch between α-helix and β-sheet folds

LL Porter, AK Kim, S Rimal, LL Looger… - Nature …, 2022 - nature.com
Folded proteins are assumed to be built upon fixed scaffolds of secondary structure, α-
helices and β-sheets. Experimentally determined structures of> 58,000 non-redundant …

Reversible switching between two common protein folds in a designed system using only temperature

TL Solomon, Y He, N Sari, Y Chen… - Proceedings of the …, 2023 - National Acad Sciences
Naturally occurring metamorphic proteins have the ability to interconvert from one folded
state to another through either a limited set of mutations or by way of a change in the local …

Identification of a covert evolutionary pathway between two protein folds

D Chakravarty, S Sreenivasan, L Swint-Kruse… - Nature …, 2023 - nature.com
Although homologous protein sequences are expected to adopt similar structures, some
amino acid substitutions can interconvert α-helices and β-sheets. Such fold switching may …

Structure of the hydrophobic core determines the 3D protein structure—verification by single mutation proteins

M Banach, P Fabian, K Stapor, L Konieczny… - Biomolecules, 2020 - mdpi.com
Four de novo proteins differing in single mutation positions, with a chain length of 56 amino
acids, represent diverse 3D structures: monomeric 3α and 4β+ α folds. The reason for this …

Exploring the sequence fitness landscape of a bridge between protein folds

P Tian, RB Best - PLoS computational biology, 2020 - journals.plos.org
Most foldable protein sequences adopt only a single native fold. Recent protein design
studies have, however, created protein sequences which fold into different structures apon …

Structural fluctuations and mechanical stabilities of the metamorphic protein RfaH

B Seifi, A Aina, S Wallin - Proteins: Structure, Function, and …, 2021 - Wiley Online Library
RfaH is a compact two‐domain bacterial transcription factor that functions both as a
regulator of transcription and an enhancer of translation. Underpinning the dual functional …