The structure-based reaction mechanism of urease, a nickel dependent enzyme: tale of a long debate

L Mazzei, F Musiani, S Ciurli - JBIC Journal of Biological Inorganic …, 2020 - Springer
… of the role of nickel as the essential metal ion in urease for the enzymatic catalysis of urea,
a … In 1975, jack bean urease was demonstrated to require nickel for the catalysis, providing …

Urease: structure, function, catalysis, and inhibition

L Mazzei, F Musiani, B Zambelli, S Benini, M Cianci… - Ureases, 2024 - Elsevier
… This reports a nickel-bridging fluoride ion replacing the hydroxide ion present in the resting
state of the enzyme and a urea molecule replacing W1, W2, and W3 in the active site cavity …

Intrinsic disorder in the nickel-dependent urease network

B Zambelli, L Mazzei, S Ciurli - Progress in molecular biology and …, 2020 - Elsevier
… to tightly control the intracellular nickel ion quota in the cell. … in the picture of urease activation,
both the structural and … exploited by urease to efficiently regulate its catalytic mechanism …

Inhibition of urease activity by different compounds provides insight into the modulation and association of bacterial nickel import and ureolysis

S Svane, JJ Sigurdarson, F Finkenwirth, T Eitinger… - Scientific reports, 2020 - nature.com
structure and active site are surprisingly conserved among different species 2 . The active
site of urease contains two Ni 2+ ions, … 3, and as expected, the catalytic activity of JBU was …

Theoretical study on the inhibition mechanisms of heavy metal ions on urease activity

M Huang, P Cui, J Zhou, C Liu, Y Wang - Chemosphere, 2023 - Elsevier
… Overall, the theoretical study provided insight into the … urease apoprotein can acquire
some activity with non-nickel … Thus, the inhibition of urease catalytic activity by heavy metals…

Moving nickel along the hydrogenase–urease maturation pathway

KL Tsang, KB Wong - Metallomics, 2022 - academic.oup.com
structures of bacterial and plant ureases have been determined. The active site of urease
contains two nickel ions … aerogenes urease (PDB: 1FWJ)96 consists of three catalytic units. …

Delivering a toxic metal to the active site of urease

YS Nim, IYH Fong, J Deme, KL Tsang, J Caesar… - Science …, 2023 - science.org
Urease is a nickel (Ni) enzyme that is essential for the … pneumoniae urease contains three
catalytic units arranged … of the urease maturation pathway could provide insights into the …

Explaining urease specificity towards nickel: a re-analysis of its proposed mechanism

MP Ferreira, CB de Castro, CGCM Netto - 2020 - chemrxiv.org
… zinc ions similarly coordinated to the nickel centers in urease … , in the crystal structure of
the inhibited urease, no water … of the catalytic center is hindered, decreasing urease activity …

QM/MM molecular dynamics simulations revealed catalytic mechanism of urease

T Saito, Y Takano - The Journal of Physical Chemistry B, 2022 - ACS Publications
Urease, a nickel-containing metalloenzyme, is found in various … (14−24) It has been revealed
that two divalent nickel ions in the … mechanistic insights into the urease-catalyzed reaction. …

Urease

I D'Agostino, S Carradori - Metalloenzymes, 2024 - Elsevier
… decades, insights into the tridimensional structure of urease, its mechanism of catalysis, and
… Then, the GTP-bound UreG 2 receives the nickel ion from UreE 2 , and at this point, the new …