Oxygen Activation and Energy Conservation by Cytochrome c Oxidase

M Wikström, K Krab, V Sharma - Chemical reviews, 2018 - ACS Publications
This review focuses on the type A cytochrome c oxidases (C c O), which are found in all
mitochondria and also in several aerobic bacteria. C c O catalyzes the respiratory reduction …

Copper active sites in biology

EI Solomon, DE Heppner, EM Johnston… - Chemical …, 2014 - ACS Publications
On the basis of its generally accessible I/II redox couple and bioavailability, copper plays a
wide variety of roles in nature that mostly involve electron transfer (ET), O 2 binding …

Reaction Mechanism of Cytochrome c Oxidase

S Yoshikawa, A Shimada - Chemical reviews, 2015 - ACS Publications
Cytochrome c oxidase (CcO), the terminal oxidase of cell respiration, reduces molecular
oxygen (O2) in a reaction that is coupled with proton pumping. Since the discovery of this …

Structure and mechanism of respiratory III–IV supercomplexes in bioenergetic membranes

P Brzezinski, A Moe, P Adelroth - Chemical reviews, 2021 - ACS Publications
In the final steps of energy conservation in aerobic organisms, free energy from electron
transfer through the respiratory chain is transduced into a proton electrochemical gradient …

The whole structure of the 13-subunit oxidized cytochrome c oxidase at 2.8 Å

T Tsukihara, H Aoyama, E Yamashita, T Tomizaki… - Science, 1996 - science.org
The crystal structure of bovine heart cytochrome c oxidase at 2.8 Å resolution with an R
value of 19.9 percent reveals 13 subunits, each different from the other, five phosphatidyl …

Heme/copper terminal oxidases

S Ferguson-Miller, GT Babcock - Chemical reviews, 1996 - ACS Publications
Spatially well-organized electron-transfer reactions in a series of membrane-bound redox
proteins form the basis for energy conservation in both photosynthesis and respiration. The …

New perspectives on proton pumping in cellular respiration

M Wikstrom, V Sharma, VRI Kaila, JP Hosler… - Chemical …, 2015 - ACS Publications
Cellular respiration has a long research history at the interface between biology, chemistry,
and physics. Research in this field spans the entire range from fundamental mechanistic and …

Voltage-gated proton channels and other proton transfer pathways

TE Decoursey - Physiological reviews, 2003 - journals.physiology.org
Proton channels exist in a wide variety of membrane proteins where they transport protons
rapidly and efficiently. Usually the proton pathway is formed mainly by water molecules …

Structures and proton-pumping strategies of mitochondrial respiratory enzymes

BE Schultz, SI Chan - Annual review of biophysics and …, 2001 - annualreviews.org
▪ Abstract Enzymes of the mitochondrial respiratory chain serve as proton pumps, using the
energy made available from electron transfer reactions to transport protons across the inner …

The roles of the two proton input channels in cytochrome c oxidase from Rhodobacter sphaeroides probed by the effects of site-directed mutations on time-resolved …

AA Konstantinov, S Siletsky… - Proceedings of the …, 1997 - National Acad Sciences
The crystal structures of cytochrome c oxidase from both bovine and Paracoccus
denitrificans reveal two putative proton input channels that connect the heme-copper center …