Multistep orthophosphate release tunes actomyosin energy transduction

L Moretto, M Ušaj, O Matusovsky, DE Rassier… - Nature …, 2022 - nature.com
Muscle contraction and a range of critical cellular functions rely on force-producing
interactions between myosin motors and actin filaments, powered by turnover of adenosine …

New paradigms in actomyosin energy transduction: Critical evaluation of non‐traditional models for orthophosphate release

A Månsson, M Ušaj, L Moretto, O Matusovsky… - …, 2023 - Wiley Online Library
Release of the ATP hydrolysis product ortophosphate (Pi) from the active site of myosin is
central in chemo‐mechanical energy transduction and closely associated with the main …

Probing actin‐activated ATP turnover kinetics of human cardiac myosin II by single molecule fluorescence

A Berg, LP Velayuthan, S Tågerud, M Ušaj… - …, 2024 - Wiley Online Library
Mechanistic insights into myosin II energy transduction in striated muscle in health and
disease would benefit from functional studies of a wide range of point‐mutants. This …

Acceleration of enzymatic reactions due to nearby inactive binding sites

H Katznelson, S Rahav - arXiv preprint arXiv:2501.01662, 2025 - arxiv.org
Many biological molecular motors and machines are driven by chemical reactions that occur
in specific catalytic sites. We study whether the arrival of molecules to such an active site can …

Bayesian Inference for Top-Down Protein Markov Models and the Ubiquity of Michaelis-Menten Kinetics

MN Schäffner - 2024 - ediss.uni-goettingen.de
The current understanding of protein function predominantly relies on the concept of
describing proteins as comprising discrete conformational and chemical states including …

Communication between DNA and nucleotide binding sites facilitates stepping by the RecBCD helicase

V Gaydar, R Zananiri, L Saied, O Dvir… - Nucleic Acids …, 2024 - academic.oup.com
Double-strand DNA breaks are the severest type of genomic damage, requiring rapid
response to ensure survival. RecBCD helicase in prokaryotes initiates processive and rapid …