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 …

Real-Time Observation of Conformational Changes and translocation of endogenous cytochrome c within Intact Mitochondria

J Zhan, D Zeng, X Xiao, Z Fang, T Huang… - Journal of the …, 2024 - ACS Publications
Cytochrome c (cyt c) is a multifunctional protein with varying conformations. However, the
conformation of cyt c in its native environment, mitochondria, is still unclear. Here, we …

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 …

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 …

Increased dynamics in the 40–57 Ω-loop of the G41S variant of human cytochrome c promote its pro-apoptotic conformation

AI Karsisiotis, OM Deacon, MT Wilson, C Macdonald… - Scientific Reports, 2016 - nature.com
Thrombocytopenia 4 is an inherited autosomal dominant thrombocytopenia, which occurs
due to mutations in the human gene for cytochrome c that results in enhanced mitochondrial …

Cytochrome c Interaction with Cardiolipin Plays a Key Role in Cell Apoptosis: Implications for Human Diseases

L Fiorucci, F Erba, R Santucci, F Sinibaldi - Symmetry, 2022 - mdpi.com
In the cell cytochrome, c performs different functions depending on the environment in which
it acts; therefore, it has been classified as a multifunction protein. When anchored to the …

Discovery of a functional, contracted heme-binding motif within a multiheme cytochrome

C Ferousi, S Lindhoud, F Baymann, ER Hester… - Journal of Biological …, 2019 - ASBMB
Anaerobic ammonium-oxidizing (anammox) bacteria convert nitrite and ammonium via nitric
oxide (NO) and hydrazine into dinitrogen gas by using a diverse array of proteins, including …

Relating the multi-functionality of cytochrome c to membrane binding and structural conversion

R Schweitzer-Stenner - Biophysical reviews, 2018 - Springer
Cytochrome c is known as an electron-carrying protein in the respiratory chain of
mitochondria. Over the last 20 years, however, alternative functions of this very versatile …

Nanosecond photochemically promoted click chemistry for enhanced neuropeptide visualization and rapid protein labeling

G Li, F Ma, Q Cao, Z Zheng, K DeLaney, R Liu… - Nature …, 2019 - nature.com
Comprehensive protein identification and concomitant structural probing of proteins are of
great biological significance. However, this is challenging to accomplish simultaneously in …