38 Result(s)

Article

Structure–function of the cytochrome b₆f lipoprotein complex: a scientific odyssey and personal perspective

Structure–function studies of the cytochrome b₆f complex, the central hetero-oligomeric membrane protein complex in the electron transport chain of oxygenic photosynthesis, which formed the basis for a high-resol...

William A. Cramer in Photosynthesis Research (2019)

Living Reference Work Entry In depth

Cytochrome b₆f Complex

William A. Cramer, Satarupa Bhaduri, Stanislav D. Zakharov… in Encyclopedia of Biophysics

Article

David W. Krogmann, 1931–2016

We provide here reflections on the life and career of David W. Krogmann (1931–2016), a great scientist, a mentor and an outstanding teacher, who had a remarkable impact on anyone who came in contact with him. ...

Jerry J. Brand, Cheryl A. Kerfeld, William A. Cramer, Govindjee in Photosynthesis Research (2017)

Article

Structural insight into the role of the Ton complex in energy transduction

In Gram-negative bacteria, outer membrane transporters import nutrients by coupling to an inner membrane protein complex called the Ton complex. The Ton complex consists of TonB, ExbB, and ExbD, and uses the p...

Hervé Celia, Nicholas Noinaj, Stanislav D. Zakharov, Enrica Bordignon… in Nature (2016)

Chapter

Structure-Function of the Cytochrome b ₆ f Lipoprotein Complex

The cytochrome b ₆ f complex (f, derived from “leaf” in Latin, “folium,” or French, “feuille”, see D. S. Bendall, this volume) is responsible for the proton-coupled electron transfer reactions that link the two l...

William A. Cramer, S. Saif Hasan in Cytochrome Complexes: Evolution, Structure… (2016)

Chapter

Mechanisms of Superoxide Generation and Signaling in Cytochrome bc Complexes

The mechanisms of action of reactive oxygen species (ROS) in plant and animal cells, in chloroplasts, mitochondria, and other sub-cellular compartments such as the endoplasmic reticulum and nucleus, which resu...

Danas Baniulis, S. Saif Hasan, Inga Miliute… in Cytochrome Complexes: Evolution, Structure… (2016)

Reference Work Entry In depth

Cytochrome b ₆ f Complex

William A. Cramer, Eiki Yamashita, Danas Baniulis… in Encyclopedia of Biophysics (2013)

Protocol

Purification and Crystallization of the Cyanobacterial Cytochrome b ₆ f Complex

The cytochrome b ₆ f complex from the filamentous cyanobacteria (Mastigocladus laminosus, Nostoc sp. PCC 7120) and spinach chloroplasts has been purified as a homo-dimer. Electrospray ...

Danas Baniulis, Huamin Zhang, Taisiya Zakharova… in Photosynthesis Research Protocols (2011)

Chapter

Chapter 6 The Enigmatic Chlorophyll a Molecule in the Cytochrome b ₆ f Complex

The structure of the cytochrome b ₆ f complex, which functions in the “dark” reactions of oxygenic photosynthesis contains two pigment molecules, one molecule of chlorophyll a and β-ca...

William A. Cramer, Sergei Savikhin, Jiusheng Yan, E. Yamashita in The Chloroplast (2010)

Chapter and Conference Paper

Structure of the Cytochrome b ₆ f Complex: n-Side Donor Pathway to the Plastoquinone Pool

Three Prosthetic Groups, Heme C_N, Chl A, And β-Carotene Were Identified In Crystal Structures Of The Cytochrome B ₆ F Complex In The Thermophilic Cyanobacterium, M. Laminosus (Kurisu Et Al. 2003) An...

Eiki Yamashita, Huamin Zhang, Danas Baniulis… in Photosynthesis. Energy from the Sun (2008)

Chapter and Conference Paper

Ultrafast Optical Studies of the Cytochrome b ₆ f Complex in Solution and Crystalline States

The cytochrome b ₆ f complex of oxygenic photosynthesis contains a single chlorophyll a molecule. The singlet excited state of the Chl a. molecule is quenched by the surrounding protei...

Naranbaatar Dashdorj, Eiki Yamashita, John Schaibley… in Photosynthesis. Energy from the Sun (2008)

Article

Problems in Obtaining Diffraction-quality Crystals of Hetero-oligomeric Integral Membrane Proteins

The major barrier responsible for the slow pace of structure determination of integral membrane proteins is the difficulty of crystallizing detergent-solubilized hydrophobic proteins, particularly hetero-oligo...

Huamin Zhang, William A. Cramer in Journal of Structural and Functional Genomics (2005)

Article

Structure of the cytochrome b₆f complex: new prosthetic groups, Q-space, and the ‘hors d’oeuvres hypothesis’ for assembly of the complex

3-Å crystal structures of the cytochrome b₆f complex have provided a structural framework for the photosynthetic electron transport chain. The structures of the 220,000 molecular weight dimeric cytochrome b₆f com...

William A. Cramer, Jiusheng Yan, Huamin Zhang, Genji Kurisu… in Photosynthesis Research (2005)

Chapter

Ironies in photosynthetic electron transport: a personal perspective

In this brief personal perspective, studies, mainly in my laboratory, directed toward understanding of the structure and function of the Fe-metalloprotein electron transport carriers of oxygenic photosynthesis...

William A. Cramer in Discoveries in Photosynthesis (2005)

Article

Ironies in Photosynthetic Electron Transport: A Personal Perspective

In this brief personal perspective, studies, mainly in my laboratory, directed toward understanding of the structure and function of the Fe-metalloprotein electron transport carriers of oxygenic photosynthesis...

William A. Cramer in Photosynthesis Research (2004)

Protocol

Purification and Crystallization of the Cytochrome b ₆ f Complex in Oxygenic Photosynthesis

The cytochrome b ₆ f complex from the thermophilic cyanobacterium Mastigocladus laminosus and spinach chloroplasts has been purified as a dimeric species. It was found by electrospray ...

Huamin Zhang, William A. Cramer in Photosynthesis Research Protocols (2004)

Article

The structure of BtuB with bound colicin E3 R-domain implies a translocon

Cellular import of colicin E3 is initiated by the Escherichia coli outer membrane cobalamin transporter, BtuB. The 135-residue 100-Å coiled-coil receptor-binding domain (R135) of colicin E3 forms a 1:1 complex wi...

Genji Kurisu, Stanislav D Zakharov… in Nature Structural & Molecular Biology (2003)

Article

The best offense is a good defense

How does a cell employ a lethal toxin against neighboring cells of the same species, yet provide nearly perfect protection for itself? Two new structures offer insights into the nature of interactions between ...

William A. Cramer, Magdalen Lindeberg, Ross Taylor in Nature Structural Biology (1999)