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Five models for myosin V.
Vilfan A. Vilfan A. Front Biosci (Landmark Ed). 2009 Jan 1;14:2269-84. doi: 10.2741/3378. Front Biosci (Landmark Ed). 2009. PMID: 19273200 Review.
It has therefore been subject of a number of mechanical, kinetic, optical and structural studies and now belongs to the best characterised motor proteins. This effort has been accompanied by a number of different theoretical models. In this article we give an overvi …
It has therefore been subject of a number of mechanical, kinetic, optical and structural studies and now belongs to the best characte …
Working stroke of the kinesin-14, ncd, comprises two substeps of different direction.
Nitzsche B, Dudek E, Hajdo L, Kasprzak AA, Vilfan A, Diez S. Nitzsche B, et al. Proc Natl Acad Sci U S A. 2016 Oct 25;113(43):E6582-E6589. doi: 10.1073/pnas.1525313113. Epub 2016 Oct 11. Proc Natl Acad Sci U S A. 2016. PMID: 27729532 Free PMC article.
Combined with a simple mechanical model, these observations suggest that the working stroke of ncd consists of an initial small movement of its stalk in a lateral direction when ADP is released and a second, main component of the working stroke, in a l …
Combined with a simple mechanical model, these observations suggest that the working stroke of ncd consists of an initial small movem …
Twirling motion of actin filaments in gliding assays with nonprocessive Myosin motors.
Vilfan A. Vilfan A. Biophys J. 2009 Aug 19;97(4):1130-7. doi: 10.1016/j.bpj.2009.06.008. Biophys J. 2009. PMID: 19686661 Free PMC article.
Each myosin head has a higher binding probability before it reaches the center of the target zone than afterwards, which results in a left-handed twirling. We present a stochastic simulation and an approximative analytical solution. The calculated pitch of th …
Each myosin head has a higher binding probability before it reaches the center of the target zone than afterwards, which results in …
Elastic lever-arm model for myosin V.
Vilfan A. Vilfan A. Biophys J. 2005 Jun;88(6):3792-805. doi: 10.1529/biophysj.104.046763. Epub 2005 Mar 25. Biophys J. 2005. PMID: 15792977 Free PMC article.
We present a mechanochemical model for myosin V, a two-headed processive motor protein. We derive the properties of a dimer from those of an individual head, which we model both with a four-state cycle (detached; attached with ADP.Pi; attached with ADP …
We present a mechanochemical model for myosin V, a two-headed processive motor protein. We derive the properties of a d …
Synchronization of active mechanical oscillators by an inertial load.
Vilfan A, Duke T. Vilfan A, et al. Phys Rev Lett. 2003 Sep 12;91(11):114101. doi: 10.1103/PhysRevLett.91.114101. Epub 2003 Sep 9. Phys Rev Lett. 2003. PMID: 14525430
Motivated by the operation of myogenic (self-oscillatory) insect flight muscle, we study a model consisting of a large number of identical oscillatory contractile elements joined in a chain, whose end is attached to a damped mass-spring oscillator. ... …
Motivated by the operation of myogenic (self-oscillatory) insect flight muscle, we study a model consisting of a large number …
Instabilities in the transient response of muscle.
Vilfan A, Duke T. Vilfan A, et al. Biophys J. 2003 Aug;85(2):818-27. doi: 10.1016/S0006-3495(03)74522-6. Biophys J. 2003. PMID: 12885630 Free PMC article.
We first consider a single pair of filaments, and show that when values of parameters such as the lever-arm displacement and the cross-bridge elasticity are chosen to provide effective energy transduction, the T(2) curve (the tension recovered immediately after a st …
We first consider a single pair of filaments, and show that when values of parameters such as the lever-arm displacement and the cros …
Minimum requirements for motility of a processive motor protein.
Šarlah A, Vilfan A. Šarlah A, et al. PLoS One. 2017 Oct 10;12(10):e0185948. doi: 10.1371/journal.pone.0185948. eCollection 2017. PLoS One. 2017. PMID: 29016643 Free PMC article.
Motor proteins generally have a two-way coupling between the ATP hydrolysis site, the lever movement and the binding affinity for their track, which allows them to perform efficient stepping. ...We show that a directed power stroke alone is not sufficient for motili …
Motor proteins generally have a two-way coupling between the ATP hydrolysis site, the lever movement and the binding affinity for the …
Hydrodynamic flow patterns and synchronization of beating cilia.
Vilfan A, Jülicher F. Vilfan A, et al. Phys Rev Lett. 2006 Feb 10;96(5):058102. doi: 10.1103/PhysRevLett.96.058102. Epub 2006 Feb 6. Phys Rev Lett. 2006. PMID: 16486996
We calculate the hydrodynamic flow field generated far from a cilium which is attached to a surface and beats periodically. In the case of two beating cilia, hydrodynamic interactions can lead to synchronization of the cilia, which are nonlinear oscillators. We pres …
We calculate the hydrodynamic flow field generated far from a cilium which is attached to a surface and beats periodically. In …
Influence of fluctuations in actin structure on myosin V step size.
Vilfan A. Vilfan A. J Chem Inf Model. 2005 Nov-Dec;45(6):1672-5. doi: 10.1021/ci050182m. J Chem Inf Model. 2005. PMID: 16309271
Myosin V passing over Arp2/3 junctions: branching ratio calculated from the elastic lever arm model.
Vilfan A. Vilfan A. Biophys J. 2008 May 1;94(9):3405-12. doi: 10.1529/biophysj.107.120568. Epub 2008 Jan 25. Biophys J. 2008. PMID: 18223006 Free PMC article.
Myosin V is a two-headed processive motor protein that walks in a hand-over-hand fashion along actin filaments. When it encounters a filament branch, formed by the Arp2/3 complex, it can either stay on the straight mother filament, or switch to the daughter f …
Myosin V is a two-headed processive motor protein that walks in a hand-over-hand fashion along actin filaments. When it encoun …
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