Titin-based tension in the cardiac sarcomere: molecular origin and physiological adaptations

BR Anderson, HL Granzier - Progress in biophysics and molecular biology, 2012 - Elsevier
The passive stiffness of cardiac muscle plays a critical role in ventricular filling during
diastole and is determined by the extracellular matrix and the sarcomeric protein titin. Titin …

Molecular origin of the hierarchical elasticity of titin: simulation, experiment, and theory

J Hsin, J Strümpfer, EH Lee… - Annual review of …, 2011 - annualreviews.org
This review uses the giant muscle protein titin as an example to showcase the capability of
molecular dynamics simulations. Titin is responsible for the passive elasticity in muscle and …

An elastic element in the protocadherin-15 tip link of the inner ear

R Araya-Secchi, BL Neel, M Sotomayor - Nature communications, 2016 - nature.com
Tip link filaments convey force and gate inner-ear hair-cell transduction channels to mediate
perception of sound and head movements. Cadherin-23 and protocadherin-15 form tip links …

Tailored polyproteins using sequential staple and cut

S Garg, GS Singaraju, S Yengkhom… - Bioconjugate …, 2018 - ACS Publications
Polyproteins, individual protein units joined covalently in tandem, have evolved as a
promising tool for measuring the dynamic folding of biomacromolecules in single-molecule …

How fast is too fast in force-probe molecular dynamics simulations?

S Sheridan, F Gräter, C Daday - The Journal of Physical …, 2019 - ACS Publications
While molecular dynamics (MD) simulations are routinely used to interpret atomic force
microscopy (AFM) experiments of protein unfolding, computational cost in MD simulations …

Molecular insights into titin's A-band

JR Fleming, I Müller, T Zacharchenko… - Journal of Muscle …, 2023 - Springer
The thick filament-associated A-band region of titin is a highly repetitive component of the
titin chain with important scaffolding properties that support thick filament assembly. It also …

The structure of the FnIII Tandem A77-A78 points to a periodically conserved architecture in the myosin-binding region of titin

RM Bucher, DI Svergun, C Muhle-Goll… - Journal of molecular …, 2010 - Elsevier
Titin is a large intrasarcomeric protein that, among its many roles in muscle, is thought to
modulate the in vivo assembly of the myosin motor filament. This is achieved through the …

Structural advances on titin: towards an atomic understanding of multi-domain functions in myofilament mechanics and scaffolding

T Zacharchenko, E von Castelmur… - Biochemical Society …, 2015 - portlandpress.com
Titin is a gigantic filamentous protein of the muscle sarcomere that plays roles in myofibril
mechanics and homoeostasis. 3D-structures of multi-domain fragments of titin are now …

Identification of an N-terminal inhibitory extension as the primary mechanosensory regulator of twitchin kinase

E Von Castelmur, J Strümpfer… - Proceedings of the …, 2012 - National Acad Sciences
Titin-like kinases are an important class of cytoskeletal kinases that intervene in the
response of muscle to mechanical stimulation, being central to myofibril homeostasis and …

The extracellular juncture domains in the intimin passenger adopt a constitutively extended conformation inducing restraints to its sphere of action

J Weikum, A Kulakova, G Tesei, S Yoshimoto… - Scientific reports, 2020 - nature.com
Enterohemorrhagic and enteropathogenic Escherichia coli are among the most important
food-borne pathogens, posing a global health threat. The virulence factor intimin is essential …