Biochemistry of peroxynitrite and protein tyrosine nitration

G Ferrer-Sueta, N Campolo, M Trujillo… - Chemical …, 2018 - ACS Publications
Peroxynitrite is a short-lived and reactive biological oxidant formed from the diffusion-
controlled reaction of the free radicals superoxide (O2•–) and nitric oxide (• NO). In this …

[HTML][HTML] Tissue-specific regulation of cytochrome c by post-translational modifications: respiration, the mitochondrial membrane potential, ROS, and apoptosis

HA Kalpage, V Bazylianska, MA Recanati… - The FASEB …, 2018 - pmc.ncbi.nlm.nih.gov
Cytochrome c (Cytc) plays a vital role in the mitochondrial electron transport chain (ETC). In
addition, it is a key regulator of apoptosis. Cytc has multiple other functions including ROS …

Multifunctional Cytochrome c: Learning New Tricks from an Old Dog

D Alvarez-Paggi, L Hannibal, MA Castro… - Chemical …, 2017 - ACS Publications
Cytochrome c (cyt c) is a small soluble heme protein characterized by a relatively flexible
structure, particularly in the ferric form, such that it is able to sample a broad conformational …

Alternative Conformations of Cytochrome c: Structure, Function, and Detection

L Hannibal, F Tomasina, DA Capdevila… - Biochemistry, 2016 - ACS Publications
Cytochrome c (cyt c) is a cationic hemoprotein of∼ 100 amino acid residues that exhibits
exceptional functional versatility. While its primary function is electron transfer in the …

3-Nitrotyrosine and related derivatives in proteins: precursors, radical intermediates and impact in function

N Campolo, FM Issoglio, DA Estrin… - Essays in …, 2020 - portlandpress.com
Oxidative post-translational modification of proteins by molecular oxygen (O2)-and nitric
oxide (• NO)-derived reactive species is a usual process that occurs in mammalian tissues …

Cytochrome c as a Peroxidase: Activation of the Precatalytic Native State by H2O2-Induced Covalent Modifications

V Yin, GS Shaw, L Konermann - Journal of the American Chemical …, 2017 - ACS Publications
In addition to serving as respiratory electron shuttle, ferri-cytochrome c (cyt c) acts as a
peroxidase; ie, it catalyzes the oxidation of organic substrates by H2O2. This peroxidase …

Structure and function of heme proteins regulated by diverse post-translational modifications

YW Lin - Archives of biochemistry and biophysics, 2018 - Elsevier
Heme proteins are crucial for biological systems by performing diverse functions. Nature has
evolved diverse approaches to fine-tune the structure and function of heme proteins, of …

Active Site Structure and Peroxidase Activity of Oxidatively Modified Cytochrome c Species in Complexes with Cardiolipin

DA Capdevila, S Oviedo Rouco, F Tomasina… - Biochemistry, 2015 - ACS Publications
We report a resonance Raman and UV–vis characterization of the active site structure of
oxidatively modified forms of cytochrome c (Cyt-c) free in solution and in complexes with …

De novo sequencing and construction of a unique antibody for the recognition of alternative conformations of cytochrome c in cells

F Tomasina, J Martínez, A Zeida… - Proceedings of the …, 2022 - National Acad Sciences
Cytochrome c (cyt c) can undergo reversible conformational changes under biologically
relevant conditions. Revealing these alternative cyt c conformers at the cell and tissue level …

Effect of V83G and I81A Substitutions to Human Cytochrome c on Acid Unfolding and Peroxidase Activity below a Neutral pH

H Lei, SM Nold, LJ Motta, BE Bowler - Biochemistry, 2019 - ACS Publications
Mitochondrial cytochrome c is a highly conserved protein in eukaryotes. Certain functions of
cytochrome c have been tuned during evolution. For instance, the intrinsic peroxidase …