[HTML][HTML] Modulation of allosteric coupling by mutations: from protein dynamics and packing to altered native ensembles and function

AN Naganathan - Current opinion in structural biology, 2019 - Elsevier
Highlights•Mutational effects are consistently felt beyond the first shell of
interactions.•Mutations modulate the dynamics and chemical shifts of distal …

The Wako-Saitô-Muñoz-Eaton model for predicting protein folding and dynamics

K Ooka, R Liu, M Arai - Molecules, 2022 - mdpi.com
Despite the recent advances in the prediction of protein structures by deep neutral networks,
the elucidation of protein-folding mechanisms remains challenging. A promising theory for …

Functional regulation of an intrinsically disordered protein via a conformationally excited state

K Madhurima, B Nandi, S Munshi, AN Naganathan… - Science …, 2023 - science.org
A longstanding goal in the field of intrinsically disordered proteins (IDPs) is to characterize
their structural heterogeneity and pinpoint the role of this heterogeneity in IDP function …

A finely balanced order–disorder equilibrium sculpts the folding–binding landscape of an antibiotic sequestering protein

L Natarajan, ML De Sciscio, AN Nardi… - Proceedings of the …, 2024 - National Acad Sciences
TipA, a MerR family transcription factor from Streptomyces lividans, promotes antibiotic
resistance by sequestering broad-spectrum thiopeptide-based antibiotics, thus …

[HTML][HTML] Thermodynamics and folding landscapes of large proteins from a statistical mechanical model

S Gopi, A Aranganathan, AN Naganathan - Current Research in Structural …, 2019 - Elsevier
Statistical mechanical models that afford an intermediate resolution between macroscopic
chemical models and all-atom simulations have been successful in capturing folding …

Probing excited state 1Hα chemical shifts in intrinsically disordered proteins with a triple resonance-based CEST experiment: Application to a disorder-to-order switch

A Kumar, K Madhurima, AN Naganathan, P Vallurupalli… - Methods, 2023 - Elsevier
Over 40% of eukaryotic proteomes and 15% of bacterial proteomes are predicted to be
intrinsically disordered based on their amino acid sequence. Intrinsically disordered proteins …

Determinants of Unfolding Cooperativity and Binding Are Decoupled in a DNA Binding Domain

D Rajendran, S Goyal, DK Chaurasiya… - The Journal of …, 2024 - ACS Publications
The relative magnitudes of noncovalent stabilization energies or the coupling free energies
in folded proteins are anisotropically distributed, uniquely influencing folding and functional …

Quantification of entropic excluded volume effects driving crowding-induced collapse and folding of a disordered protein

D Rajendran, S Mitra, H Oikawa… - The journal of …, 2022 - ACS Publications
We investigate the conformational properties of the intrinsically disordered DNA-binding
domain of CytR in the presence of the polymeric crowder polyethylene glycol (PEG) …

Flexible target recognition of the intrinsically disordered DNA-binding domain of CytR monitored by single-molecule fluorescence spectroscopy

S Mitra, H Oikawa, D Rajendran… - The Journal of …, 2022 - ACS Publications
The intrinsically disordered DNA-binding domain of cytidine repressor (CytR-DBD) folds in
the presence of target DNA and regulates the expression of multiple genes in E. coli. To …

Engineering order and cooperativity in a disordered protein

S Munshi, S Subramanian, S Ramesh, H Golla… - Biochemistry, 2019 - ACS Publications
Structural disorder in proteins arises from a complex interplay between weak hydrophobicity
and unfavorable electrostatic interactions. The extent to which the hydrophobic effect …