Biosynthesis and function of 7-deazaguanine derivatives in bacteria and phages

V de Crécy-Lagard, G Hutinet… - Microbiology and …, 2024 - Am Soc Microbiol
Deazaguanine modifications play multifaceted roles in the molecular biology of DNA and
tRNA, sha** diverse yet essential biological processes, including the nuanced fine-tuning …

Deazaguanine derivatives, examples of crosstalk between RNA and DNA modification pathways

G Hutinet, MA Swarjo, V de Crécy-Lagard - RNA biology, 2017 - Taylor & Francis
Seven-deazapurine modifications were thought to be highly specific of tRNAs, but have now
been discovered in DNA of phages and of phylogenetically diverse bacteria, illustrating the …

[HTML][HTML] To what extent do structural changes in catalytic metal sites affect enzyme function?

Y Valasatava, A Rosato, N Furnham… - Journal of inorganic …, 2018 - Elsevier
About half of known enzymatic reactions involve metals. Enzymes belonging to the same
superfamily often evolve to catalyze different reactions on the same structural scaffold. The …

Structural and functional insights into human tRNA guanine transglycosylase

K Sievers, L Welp, H Urlaub, R Ficner - RNA biology, 2021 - Taylor & Francis
The eukaryotic tRNA guanine transglycosylase (TGT) is an RNA modifying enzyme
incorporating queuine, a hypermodified guanine derivative, into the tRNAsAsp, Asn, His, Tyr …

Harnessing underground metabolism for pathway development

J Rosenberg, FM Commichau - Trends in biotechnology, 2019 - cell.com
Fermentative production of valuable substances is an economically competitive and
ecologically sustainable alternative to chemical synthesis, but it is often hampered by …

Structural and functional insights into tRNA recognition by human tRNA guanine transglycosylase

K Sievers, P Neumann, L Sušac, S Da Vela… - Structure, 2024 - cell.com
Eukaryotic tRNA guanine transglycosylase (TGT) is an RNA-modifying enzyme which
catalyzes the base exchange of the genetically encoded guanine 34 of tRNAs Asp, Asn, His …

Crystal structure of the human tRNA guanine transglycosylase catalytic subunit QTRT1

S Johannsson, P Neumann, R Ficner - Biomolecules, 2018 - mdpi.com
RNA modifications have been implicated in diverse and important roles in all kingdoms of
life with over 100 of them present on tRNAs. A prominent modification at the wobble base of …

Molecular modeling of the reaction pathway and hydride transfer reactions of HMG-CoA reductase

BE Haines, CN Steussy, CV Stauffacher, O Wiest - Biochemistry, 2012 - ACS Publications
HMG-CoA reductase catalyzes the four-electron reduction of HMG-CoA to mevalonate and
is an enzyme of considerable biomedical relevance because of the impact of its statin …

Insight into enzymatic nitrile reduction: QM/MM study of the catalytic mechanism of QueF nitrile reductase

AJM Ribeiro, L Yang, MJ Ramos, PA Fernandes… - ACS …, 2015 - ACS Publications
The NADPH-dependent QueF nitrile reductases catalyze the unprecedented four-electron
reduction of nitrile to amine. QueF nitrile reductases can be found in the tRNA biosynthetic …

Investigation of specificity determinants in bacterial tRNA-guanine transglycosylase reveals queuine, the substrate of its eucaryotic counterpart, as inhibitor

I Biela, N Tidten-Luksch, F Immekus, S Glinca… - PLoS …, 2013 - journals.plos.org
Bacterial tRNA-guanine transglycosylase (Tgt) catalyses the exchange of the genetically
encoded guanine at the wobble position of tRNAsHis, Tyr, Asp, Asn by the premodified base …