Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Transmembrane traffic in the cytochrome b6f complex.

William A Cramer1, Huamin Zhang, Jiusheng Yan

  • 1Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907-2054, USA. waclab@purdue.edu

Annual Review of Biochemistry
|June 8, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Crystalline 3D covalent organic frameworks with nbo topology.

Science advances·2026
Same author

Protein Data Bank Japan: A unified portal for integrating structural and chemical data to explore protein-ligand interactions in PDB and PubChem.

Protein science : a publication of the Protein Society·2026
Same author

A planar dimer of bovine ATP synthase.

Cell death and differentiation·2026
Same author

Tanyu Tongzhi Decoction Improves Cardiac Function by Inhibiting Platelet Activation and Alleviating Coronary Microthrombosis for Coronary Heart Disease Mice.

Pharmaceuticals (Basel, Switzerland)·2026
Same author

Oridonin ameliorates ulcerative colitis by regulating the PI3K/AKT/mTOR signaling pathway to activate autophagy.

International journal of molecular medicine·2026
Same author

Crystal structure determination of an Fe<sup>II</sup> azo aldehyde complex [Fe(C<sub>14</sub>H<sub>11</sub>N<sub>2</sub>O<sub>3</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>] by MicroED.

Acta crystallographica. Section E, Crystallographic communications·2026

Structural insights into the cytochrome b6f complex reveal its energy transduction mechanisms in photosynthesis. Unique prosthetic groups suggest novel roles in cyclic electron transport.

Area of Science:

  • Photosynthesis research
  • Structural biology
  • Biochemistry

Background:

  • The cytochrome b6f complex is crucial for energy transduction in oxygenic photosynthesis.
  • Its structure is similar to the respiratory cytochrome bc1 complex, but with unique features.

Purpose of the Study:

  • To elucidate the crystal structures of the cytochrome b6f complex from Mastigocladus laminosus and Chlamydomonas reinhardtii.
  • To understand the implications of these structures for the complex's function in photosynthesis.

Main Methods:

  • X-ray crystallography to determine the 3D structures of the cytochrome b6f complex.
  • Comparative analysis with related cytochrome complexes.

Main Results:

  • Detailed crystal structures of the dimeric cytochrome b6f complex were obtained.

Related Experiment Videos

  • A central quinone exchange cavity and a unique 11x12 Å portal for quinol/quinone transfer were identified.
  • Three unique prosthetic groups, including a covalently bound heme, were observed in the b6f complex.

    • Conclusions:

    • The structure supports a labyrinthine pathway for quinol/quinone transfer.
    • The unique heme's position suggests a potential role in cyclic electron transport via anionic ferredoxin.