Status of reactive non-heme metal–oxygen intermediates in chemical and enzymatic reactions

K Ray, FF Pfaff, B Wang, W Nam - Journal of the American …, 2014 - ACS Publications
Selective functionalization of unactivated C–H bonds, water oxidation, and dioxygen
reduction are extremely important reactions in the context of finding energy carriers and …

Activation of dioxygen by iron and manganese complexes: a heme and nonheme perspective

S Sahu, DP Goldberg - Journal of the American Chemical Society, 2016 - ACS Publications
The rational design of well-defined, first-row transition metal complexes that can activate
dioxygen has been a challenging goal for the synthetic inorganic chemist. The activation of …

Enzymology of H2S Biogenesis, Decay and Signaling

O Kabil, R Banerjee - Antioxidants & redox signaling, 2014 - liebertpub.com
Abstract Significance: Hydrogen sulfide (H2S), produced by the desulfuration of cysteine or
homocysteine, functions as a signaling molecule in an array of physiological processes …

Dealing with methionine/homocysteine sulfur: cysteine metabolism to taurine and inorganic sulfur

MH Stipanuk, I Ueki - Journal of inherited metabolic disease, 2011 - Springer
Synthesis of cysteine as a product of the transsulfuration pathway can be viewed as part of
methionine or homocysteine degradation, with cysteine being the vehicle for sulfur …

Cdo1 promotes PPARγ-mediated adipose tissue lipolysis in male mice

YY Guo, BY Li, G Xiao, Y Liu, L Guo, QQ Tang - Nature Metabolism, 2022 - nature.com
Abstract Cysteine dioxygenase 1 (Cdo1) is a key enzyme in taurine synthesis. Here we
show that Cdo1 promotes lipolysis in adipose tissue. Adipose-specific knockout of Cdo1 in …

Dioxygen activation chemistry by synthetic mononuclear nonheme iron, copper and chromium complexes

S Hong, YM Lee, K Ray, W Nam - Coordination Chemistry Reviews, 2017 - Elsevier
The activation of dioxygen (O 2) by metalloenzymes proceeds by binding O 2 at their active
sites and then generating highly reactive, thermally unstable metal-oxygen intermediates …

Quantum mechanics/molecular mechanics modeling of enzymatic processes: Caveats and breakthroughs

MG Quesne, T Borowski… - Chemistry–A European …, 2016 - Wiley Online Library
Nature has developed large groups of enzymatic catalysts with the aim to transfer substrates
into useful products, which enables biosystems to perform all their natural functions. As …

Theoretical study on the mechanism of the oxygen activation process in cysteine dioxygenase enzymes

D Kumar, W Thiel, SP De Visser - Journal of the American …, 2011 - ACS Publications
Cysteine dioxygenase (CDO) is a vital enzyme for human health involved in the
biodegradation of toxic cysteine and thereby regulation of the cysteine concentration in the …

Spectroscopic Evidence for the Two C–H-Cleaving Intermediates of Aspergillus nidulans Isopenicillin N Synthase

E Tamanaha, B Zhang, Y Guo, W Chang… - Journal of the …, 2016 - ACS Publications
The enzyme isopenicillin N synthase (IPNS) installs the β-lactam and thiazolidine rings of
the penicillin core into the linear tripeptide l-δ-aminoadipoyl-l-Cys-d-Val (ACV) on the …

Characterization of patient mutations in human persulfide dioxygenase (ETHE1) involved in H2S catabolism

O Kabil, R Banerjee - Journal of Biological Chemistry, 2012 - ASBMB
Hydrogen sulfide (H 2 S) is a recently described endogenously produced gaseous signaling
molecule that influences various cellular processes in the central nervous system …