B12-dependent radical SAM enzymes: Ever expanding structural and mechanistic diversity

A Benjdia, O Berteau - Current Opinion in Structural Biology, 2023 - Elsevier
In the last decade, B 12-dependent radical SAM enzymes have emerged as central
biocatalysts in the biosynthesis of a myriad of natural products. Notably, these enzymes …

Association of B vitamin intake and total homocysteine levels with all-cause and cause-specific mortality in central obesity

X Wang, H Peng, C Xia, Y Zhou, L Shen, X Cheng… - Nutrition, 2023 - Elsevier
Objectives Future primary prevention strategies may benefit from understanding the
connection between mortality in individuals with central obesity and modifiable lifestyle …

[HTML][HTML] B12 and F430 models: Metal-versus ligand-centered redox in cobalt and nickel tetradehydrocorrin derivatives

A Ghosh, J Conradie - Journal of Inorganic Biochemistry, 2023 - Elsevier
DFT calculations with the well-tested OLYP and B3LYP* exchange-correlation functionals
(along with D3 dispersion corrections and all-electron ZORA STO-TZ2P basis sets) and …

Theoretical study on the mechanism of tryptophan methylation catalyzed by the cobalamin-dependent radical enzyme TsrM

KL Xian, Q Zhang, RZ Liao - Journal of Catalysis, 2024 - Elsevier
TsrM is a radical S-adenosylmethionine (SAM) methylase that catalyzes the C2 methylation
of L-tryptophan to produce 2-methyltryptophan, an intermediate in the biosynthesis of the …

[PDF][PDF] 一碳代谢相关营养素与肿瘤关系

周子逸, 刘德梅, 许萍 - 肿瘤代谢与营养电子杂志 - 182.92.200.144
代谢紊乱被认为是所有肿瘤细胞的基本特征, 细胞代谢相关调控基因已逐渐成为肿瘤诊断和治疗
的靶点. 一碳代谢是细胞普遍存在的代谢过程, 主要负责机体生物合成, 氨基酸稳态 …

環境負荷物質からの炭素循環システムの創製を目指したコバルト-炭素結合の生成と開裂を鍵とするクリーン物質変換システムの開発

嶌越恒 - 有機合成化学協会誌, 2024 - jstage.jst.go.jp
抄録 The bioinspired catalyst system was developed in the interdisciplinary fields of
bioinorganic chemistry and catalytic chemistry. In nature, enzymes catalyze various …