Role of cytochrome b5 in the modulation of the enzymatic activities of cytochrome P450 17α-hydroxylase/17, 20-lyase (P450 17A1)

MR Bhatt, Y Khatri, RJ Rodgers, LL Martin - The Journal of Steroid …, 2017 - Elsevier
Abstract Cytochrome b5 (cyt b5) is a small hemoprotein that plays a significant role in the
modulation of activities of an important steroidogenic enzyme, cytochrome P450 17α …

Cryo-EM reveals the architecture of the dimeric cytochrome P450 CYP102A1 enzyme and conformational changes required for redox partner recognition

M Su, S Chakraborty, Y Osawa, H Zhang - Journal of Biological Chemistry, 2020 - ASBMB
Cytochrome P450 family 102 subfamily A member 1 (CYP102A1) is a self-sufficient
flavohemeprotein and a highly active bacterial enzyme capable of fatty acid hydroxylation at …

Probing protein–protein and protein–substrate interactions in the dynamic membrane-associated ternary complex of cytochromes P450, b 5, and reductase

KA Gentry, GM Anantharamaiah… - Chemical …, 2019 - pubs.rsc.org
Cytochrome P450 (cytP450) interacts with two redox partners, cytP450 reductase and
cytochrome-b5, to metabolize substrates. Using NMR, we reveal changes in the dynamic …

Role of the proximal cysteine hydrogen bonding interaction in cytochrome P450 2B4 studied by cryoreduction, electron paramagnetic resonance, and electron …

R Davydov, S Im, M Shanmugam, WA Gunderson… - Biochemistry, 2016 - ACS Publications
Crystallographic studies have shown that the F429H mutation of cytochrome P450 2B4
introduces an H-bond between His429 and the proximal thiolate ligand, Cys436, without …

Examination of the structures, energetics, and vibrational frequencies of small sulfur‐containing prototypical dimers, (H2S)2 and H2O/H2S

KM Dreux, GS Tschumper - Journal of computational chemistry, 2019 - Wiley Online Library
The optimized geometries, vibrational frequencies, and dissociation energies from MP2 and
CCSD (T) computations with large correlation consistent basis sets are reported for (H2S) 2 …

Mixed H2S and H2O Clusters─New Insights into Dispersion-Dominated Hydrogen Bonding

P Meyer, S Jäger, J Khatri, S Henkel… - The Journal of …, 2024 - ACS Publications
Here, we report the results of an IR spectroscopy study on heteroclusters of H2S and H2O
and several of their isotopomers using mass-selective IR spectroscopy in superfluid helium …

Reaction Mechanism of Mycobacterium Tuberculosis Glutamine Synthetase Using Quantum Mechanics/Molecular Mechanics Calculations

C Moreira, MJ Ramos… - Chemistry–A European …, 2016 - Wiley Online Library
This paper is devoted to the understanding of the reaction mechanism of mycobacterium
tuberculosis glutamine synthetase (mtGS) with atomic detail, using computational quantum …

Effect of CO binding to P450 BM3 F393 mutants on electron density distribution in the heme cofactor

JPM Schelvis, Z Chen, MA Messina… - Journal of Inorganic …, 2024 - Elsevier
Resonance Raman spectroscopy has been performed on a set of cytochrome P450 BM3
heme domains in which mutation of the highly conserved Phe393 induces significant …

F429 regulation of tunnels in cytochrome P450 2B4: a top down study of multiple molecular dynamics simulations

G Mancini, C Zazza - PLoS One, 2015 - journals.plos.org
The root causes of the outcomes of the single-site mutation in enzymes remain by and large
not well understood. This is the case of the F429H mutant of the cytochrome P450 (CYP) …

Metabolomics analysis of milk thistle lipids to identify drought-tolerant genes

R Ghanbari Moheb Seraj, M Tohidfar… - Scientific Reports, 2022 - nature.com
Milk thistle is an oil and medicinal crop known as an alternative oil crop with a high level of
unsaturated fatty acids, which makes it a favorable edible oil for use in food production. To …