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Browsing by Subject ATP synthase

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Journal article

Cryo-electron tomography of C. elegans mitochondria reveals how the ATP synthase dimer interface shapes crista membranes

Authors : Buzzard, Emma (2023)

Mitochondrial ATP synthases form rows of dimers, which induce membrane curvature to give cristae their 18 characteristic lamellar or tubular morphology. The angle formed between the central stalks of ATP synthase 19 dimers varies between species. Using cryo-electron tomography and sub-tomogram averaging, we 20 determined the structure of the ATP synthase dimer from the nematode worm C. elegans. We showed that 21 the angle formed by the ATP synthase&...

Journal article

MLQ is responsible for stabilisation of subunit a in the holoenzyme of mammalian ATP synthase

Authors : K, Tauchmannová; DH, Ho; H, Nůsková (2020)

Based on our data, we conclude that MLQ and Fo-a closely associate and their incorporation into the enzyme complex depends on each another. On the contrary, DAPIT protein seems to be incorporated at the very last step and its presence stabilises the holoenzyme.

Journal article

Structure of a proton-powered molecular motor that drives protein transport and gliding motility

Authors : James, Rory Hennell; Deme, Justin C; Kjӕr, Andreas (2020)

Ion-driven motors are rare in biology. The archetypes of the three classes identified to date are ATP synthase, the bacterial flagellar motor, and a proton-driven motor that powers gliding motility and protein secretion in Bacteroidetes bacteria. Whilst the molecular mechanism of ATP synthase is now well understood, structural information is lacking for the other two classes of motor. Here we present the structure of the Bacteroidetes gliding motility&#x...

Journal article

The mobility of interfaces between monomers in dimeric bovine ATP synthase participates in the ultrastructure of inner mitochondrial membranes

Authors : Spikes, Tobias E.; Montgomery, Martin G.; Walker, John E. (2020)

The angle between the central rotatory axes of the monomeric complexes varies between ca. 76o and ca. 95o . Some variations in this angle arise directly from the catalytic mechanism of the enzyme, and others are independent of catalysis. The monomer monomer interaction is mediated mainly by j-subunits attached to the surface of wedge shaped protein-lipid structures in the membrane domain of the complex, and the angular variation arises fr...