Mitochondrial cytochrome c biogenesis: no longer an enigma

SE Babbitt, MC Sutherland, B San Francisco… - Trends in biochemical …, 2015 - cell.com
Cytochromes c (cyt c) and c 1 are heme proteins that are essential for aerobic respiration.
Release of cyt c from mitochondria is an important signal in apoptosis initiation. Biogenesis …

AF2Complex predicts direct physical interactions in multimeric proteins with deep learning

M Gao, D Nakajima An, JM Parks, J Skolnick - Nature communications, 2022 - nature.com
Accurate descriptions of protein-protein interactions are essential for understanding
biological systems. Remarkably accurate atomic structures have been recently computed for …

Structures and functions of mitochondrial ABC transporters

TA Schaedler, B Faust, CA Shintre… - Biochemical Society …, 2015 - portlandpress.com
A small number of physiologically important ATP-binding cassette (ABC) transporters are
found in mitochondria. Most are half transporters of the B group forming homodimers and …

Promoting Extracellular Electron Transfer of Shewanella oneidensis MR-1 by Optimizing the Periplasmic Cytochrome c Network

W Sun, Z Lin, Q Yu, S Cheng, H Gao - Frontiers in Microbiology, 2021 - frontiersin.org
The low efficiency of extracellular electron transfer (EET) is a major bottleneck for
Shewanella oneidensis MR-1 acting as an electroactive biocatalyst in bioelectrochemical …

Empty pericarp7 encodes a mitochondrial E–subgroup pentatricopeptide repeat protein that is required for ccmFN editing, mitochondrial function and seed …

F Sun, X Wang, G Bonnard, Y Shen, Z Xiu… - The Plant …, 2015 - Wiley Online Library
RNA editing, converting cytidines (C) to uridines (U) at specific sites in the transcripts of
mitochondria and plastids, plays a critical role in organelle gene expression in land plants …

Photoferrotrophs produce a PioAB electron conduit for extracellular electron uptake

D Gupta, MC Sutherland, K Rengasamy, JM Meacham… - MBio, 2019 - Am Soc Microbiol
Photoferrotrophy is a form of anoxygenic photosynthesis whereby bacteria utilize soluble or
insoluble forms of ferrous iron as an electron donor to fix carbon dioxide using light energy …

Architecture of the Heme-translocating CcmABCD/E complex required for Cytochrome c maturation

L Ilcu, L Denkhaus, A Brausemann, L Zhang… - Nature …, 2023 - nature.com
Mono-and multiheme cytochromes c are post-translationally matured by the covalent
attachment of heme. For this, Escherichia coli employs the most complex type of maturation …

A de novo peroxidase is also a promiscuous yet stereoselective carbene transferase

R Stenner, JW Steventon, A Seddon… - Proceedings of the …, 2020 - National Acad Sciences
By constructing an in vivo-assembled, catalytically proficient peroxidase, C45, we have
recently demonstrated the catalytic potential of simple, de novo-designed heme proteins …

Cryo-EM of CcsBA reveals the basis for cytochrome c biogenesis and heme transport

DL Mendez, EP Lowder, DE Tillman… - Nature chemical …, 2022 - nature.com
Although the individual structures and respiratory functions of cytochromes are well studied,
the structural basis for their assembly, including transport of heme for attachment, are …

Architecture of the membrane-bound cytochrome c heme lyase CcmF

A Brausemann, L Zhang, L Ilcu, O Einsle - Nature chemical biology, 2021 - nature.com
The covalent attachment of one or multiple heme cofactors to cytochrome c protein chains
enables cytochrome c proteins to be used in electron transfer and redox catalysis in …