[HTML][HTML] A new proposal for urease mechanism based on the crystal structures of the native and inhibited enzyme from Bacillus pasteurii: why urea hydrolysis costs …

S Benini, WR Rypniewski, KS Wilson, S Miletti, S Ciurli… - Structure, 1999 - cell.com
Background: Urease catalyzes the hydrolysis of urea, the final step of organic nitrogen
mineralization, using a bimetallic nickel centre. The role of the active site metal ions and …

Structure-based rationalization of urease inhibition by phosphate: novel insights into the enzyme mechanism

S Benini, W Rypniewski, K Wilson, S Ciurli… - JBIC Journal of …, 2001 - Springer
The structure of Bacillus pasteurii urease (BPU) inhibited with phosphate was solved and
refined using synchrotron X-ray diffraction data from a vitrified crystal (1.85 Å resolution …

The complex of Bacillus pasteurii urease with β-mercaptoethanol from X-ray data at 1.65-Å resolution

S Benini, WR Rypniewski, KS Wilson, S Ciurli… - JBIC Journal of …, 1998 - Springer
The structure of β-mercaptoethanol-inhibited urease from Bacillus pasteurii, a highly
ureolytic soil micro-organism, was solved at 1.65 Å using synchrotron X-ray cryogenic …

Structure-based computational study of the catalytic and inhibition mechanisms of urease

F Musiani, E Arnofi, R Casadio, S Ciurli - JBIC Journal of Biological …, 2001 - Springer
The viability of different mechanisms of catalysis and inhibition of the nickel-containing
enzyme urease was explored using the available high-resolution structures of the enzyme …

Crystal structure of the first plant urease from jack bean: 83 years of journey from its first crystal to molecular structure

A Balasubramanian, K Ponnuraj - Journal of molecular biology, 2010 - Elsevier
Urease, a nickel-dependent metalloenzyme, is synthesized by plants, some bacteria, and
fungi. It catalyzes the hydrolysis of urea into ammonia and carbon dioxide. Although the …

The complex of Bacillus pasteurii urease with acetohydroxamate anion from X-ray data at 1.55 Å resolution

S Benini, WR Rypniewski, KS Wilson, S Miletti… - JBIC Journal of …, 2000 - Springer
The structure of Bacillus pasteurii urease inhibited with acetohydroxamic acid was solved
and refined anisotropically using synchrotron X-ray cryogenic diffraction data (1.55 Å …

Structures of Cys319 Variants and Acetohydroxamate-Inhibited Klebsiella aerogenes Urease,

MA Pearson, LO Michel, RP Hausinger… - Biochemistry, 1997 - ACS Publications
Cys319 is located on a mobile flap covering the active site of Klebsiella aerogenes urease
but does not play an essential role in catalysis. Four urease variants altered at position C319 …

Structural properties of the nickel ions in urease: novel insights into the catalytic and inhibition mechanisms

S Ciurli, S Benini, WR Rypniewski, KS Wilson… - Coordination Chemistry …, 1999 - Elsevier
This work provides a comprehensive critical summary of urease spectroscopy,
crystallography, inhibitor binding, and site-directed mutagenesis, with special emphasis …

The structure of the elusive urease–urea complex unveils the mechanism of a paradigmatic nickel‐dependent enzyme

L Mazzei, M Cianci, S Benini… - Angewandte Chemie …, 2019 - Wiley Online Library
Urease, the most efficient enzyme known, contains an essential dinuclear NiII cluster in the
active site. It catalyzes the hydrolysis of urea, inducing a rapid pH increase that has negative …

Interplay of metal ions and urease

EL Carter, N Flugga, JL Boer, SB Mulrooney… - Metallomics, 2009 - academic.oup.com
Urease, the first enzyme to be crystallized, contains a dinuclear nickel metallocenter that
catalyzes the decomposition of urea to produce ammonia, a reaction of great agricultural …