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Related Concept Videos

ATP Synthase: Structure01:18

ATP Synthase: Structure

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ATP synthase or ATPase is among the most conserved proteins found in bacteria, mammals, and plants. This enzyme can catalyze a forward reaction in response to the electrochemical gradient, producing ATP from ADP and inorganic phosphate. ATP synthase can also work in a reverse direction by hydrolyzing ATP and generating an electrochemical gradient. Different forms of ATP synthases have evolved special features to meet the specific demands of the cell. Based on their specific feature, ATP...
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ATP Synthase: Mechanism01:48

ATP Synthase: Mechanism

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In animals, the mitochondrial F1F0 ATP synthase is the key protein that synthesizes ATP molecules through a complex catalytic mechanism. While the nuclear genome encodes the majority of ATP synthase subunits, the mitochondrial genome encodes some of the enzyme's most critical components. The formation of this multi-subunit enzyme is a complex multi-step process regulated at the level of transcription, translation, and assembly. Defects in one or more of these steps can result in decreased...
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ATP Driven Pumps I: An Overview01:27

ATP Driven Pumps I: An Overview

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ATP-driven pumps, also known as transport ATPases, are integral membrane proteins. They have binding sites for ATP located on the membrane's cytosolic side and the ion-conducting domain in the transmembrane region. These pumps use the free energy released from ATP hydrolysis to move the solutes across cell membranes against an electrochemical gradient.
There are four main types of ATP-driven pumps - P-type, V-type, F-type, and ABC transporter. All these pumps are of varying complexities and...
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Chemiosmosis01:32

Chemiosmosis

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Oxidative phosphorylation is a highly efficient process that generates large amounts of adenosine triphosphate (ATP), the basic unit of energy that drives many cellular processes. Oxidative phosphorylation involves two processes— the electron transport chain and chemiosmosis.
Electron Transport Chain
The electron transport chain involves a series of protein complexes on the inner mitochondrial membrane that undergo a series of redox reactions. At the end of this chain, the electrons...
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Protein Transport to the Stroma01:24

Protein Transport to the Stroma

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Chloroplasts are triple membrane structures with an outer membrane, an inner membrane, and a thylakoid membrane, each containing distinct metabolite transporters, membrane translocons, and enzymes. Appropriate sorting and translocating these proteins to their correct membrane systems is essential for chloroplast function.
Protein complexes called the translocon of the outer chloroplast membrane or TOC complex, and the translocon of the inner chloroplast membrane or TIC complex mediate the...
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The Z-Scheme of Electron Transport in Photosynthesis01:34

The Z-Scheme of Electron Transport in Photosynthesis

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The light reactions of photosynthesis assume a linear flow of electrons from water to NADP+. During this process, light energy drives the splitting of water molecules to produce oxygen. However, oxidation of water molecules is a thermodynamically unfavorable reaction and requires a strong oxidizing agent. This is accomplished by the first product of light reactions: oxidized P680 (or P680+), the most powerful oxidizing agent known in biology. The oxidized P680 that acquires an electron from the...
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Updated: Jul 1, 2025

Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography
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Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography

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Chloroplast ATP synthase: From structure to engineering.

Thilo Rühle1, Dario Leister1, Viviana Pasch1

  • 1Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, D-82152 Planegg-Martinsried, Germany.

The Plant Cell
|March 14, 2024
PubMed
Summary
This summary is machine-generated.

F-type ATP synthases are crucial for energy metabolism. Research advances understanding of chloroplast ATP synthases, enabling future engineering of light-driven nanomotors for photosynthesis modulation.

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Area of Science:

  • Biochemistry and structural biology
  • Molecular and cellular biology

Background:

  • F-type ATP synthases are vital protein complexes central to cellular energy metabolism.
  • Significant advancements in structural biology, proteomics, and molecular biology have enhanced understanding of chloroplast ATP synthases.
  • Chloroplast ATP synthases play a critical role in light-driven ATP generation during photosynthesis.

Purpose of the Study:

  • To review the current understanding of F-type ATP synthases, particularly chloroplast ATP synthases.
  • To highlight the potential of tailoring chloroplast ATP synthase activity for photosynthesis modulation.
  • To explore future strategies for engineering light-driven nanomotors using protein design tools.

Main Methods:

  • Review of recent literature in structural biology, proteomics, and molecular biology.
  • Analysis of the catalytic mechanisms, post-translational modifications, and biogenesis of chloroplast ATP synthases.
  • Discussion of modeling approaches for modulating photosynthesis.

Main Results:

  • Comprehensive understanding of chloroplast ATP synthase structure and function.
  • Identification of chloroplast ATP synthases as key targets for photosynthesis modulation.
  • Exploration of advanced genetic and protein design tools for future applications.

Conclusions:

  • Chloroplast ATP synthases are central to energy metabolism and photosynthesis.
  • Tailoring their activity offers potential for modulating photosynthetic efficiency.
  • Future engineering efforts using advanced tools could lead to novel light-driven nanomotors.