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Crystal structures of a group II chaperonin reveal the open and closed states associated with the protein folding cycle
Crystal structures group II chaperonin reveal closed states associated protein folding cycle
2015/12/11
Chaperonins are large protein complexes consisting of two stacked multisubunit rings, which open and close in an ATP-dependent manner to create a protected environment for protein folding. Here, we de...
Analysis of noise-induced bistability in Michaelis Menten single-step enzymatic cycle
noise-induced bistability Michaelis Menten single-step enzymatic cycle
2011/8/11
Abstract: In this paper we study noise-induced bistability in a specific circuit with many biological implications, namely a single-step enzymatic cycle described by Michaelis Menten equations with qu...
Modeling the Q-cycle mechanism of transmembrane energy conversion
Q-cycle transmembrane energy conversion
2011/9/9
The Q-cycle mechanism plays an important role in the conversion of the redox energy into the energy of the proton electrochemical gradient across the biomembrane. The bifurcated electron transfer reac...
Load-dependent sliding direction change of a myosin head on an actin molecule and its energetic aspects: Energy borrowing model of a cross-bridge cycle
myosin ATPase enthalpy production molecular machinery loose coupling Hill’s Formulation
2010/12/2
A model of muscle contraction is proposed, assuming loose coupling between power strokes and ATP hydrolysis of a myosin head. The energy borrowing mechanism is introduced in a cross-bridge cycle that ...