Considerations about the kinetic mechanism of tyrosinase in its action on monophenols: A review

P García-Molina, F García-Molina, JA Teruel-Puche… - Molecular …, 2022 - Elsevier
The mechanism of action of tyrosinase on monophenols is complex, several processes
overlap in time, such as the hydroxylation of monophenols to o-diphenols, the oxidation of …

Kinetic characterisation of o-aminophenols and aromatic o-diamines as suicide substrates of tyrosinase

JL Muñoz-Muñoz, F Garcia-Molina, J Berna… - … et Biophysica Acta (BBA …, 2012 - Elsevier
We study the suicide inactivation of tyrosinase acting on o-aminophenols and aromatic o-
diamines and compare the results with those obtained for the corresponding o-diphenols …

An approximate analytical solution to the lag period of monophenolase activity of tyrosinase

FG Molina, JL Munoz, R Varon, JNR Lopez… - … International Journal of …, 2007 - Elsevier
Tyrosinase shows a lag period in its action on monophenols (l-tyrosine). We propose an
approximate analytical solution for the lag period, which fulfils the dependences with regard …

Hydroxylation of p-substituted phenols by tyrosinase: Further insight into the mechanism of tyrosinase activity

JL Muñoz-Muñoz, J Berna… - Biochemical and …, 2012 - Elsevier
A study of the monophenolase activity of tyrosinase by measuring the steady state rate with
a group of p-substituted monophenols provides the following kinetic information: kcatm and …

Kinetic study of monophenol and o-diphenol binding to oxytyrosinase

F García-Molina, MJ Peñalver, LG Fenoll… - Journal of Molecular …, 2005 - Elsevier
The complex reaction mechanism of tyrosinase involves three enzymatic forms, two
overlapping catalytic cycles and a dead-end complex. The deoxytyrosinase form binds …

Phenolic substrates and suicide inactivation of tyrosinase: kinetics and mechanism

JL Muñoz-Muñoz, F Garcia-Molina… - Biochemical …, 2008 - portlandpress.com
The suicide inactivation mechanism of tyrosinase acting on its substrates has been studied.
The kinetic analysis of the proposed mechanism during the transition phase provides explicit …

Catalysis and inactivation of tyrosinase in its action on o-diphenols, o-aminophenols and o-phenylendiamines: potential use in industrial applications

JL Muñoz-Muñoz, M del Mar Garcia-Molina… - Journal of Molecular …, 2013 - Elsevier
A study of the diphenolase, o-aminophenol oxidase, and the aromatic o-diamine oxidase
activities of tyrosinase carried out by measuring the catalysis and suicide inactivation …

[HTML][HTML] Structural and kinetic considerations on the catalysis of deoxyarbutin by tyrosinase

A Garcia-Jimenez, JA Teruel-Puche, PA Garcia-Ruiz… - PLoS …, 2017 - journals.plos.org
Deoxyarbutin, a potent inhibitor of tyrosinase, could act as substrate of the enzyme.
Oxytyrosinase is able to hydroxylate deoxyarbutin and finishes the catalytic cycle by …

Suicide inactivation of the diphenolase and monophenolase activities of tyrosinase

JL Muñoz‐Muñoz, F Garcia‐Molina, R Varon… - IUBMB …, 2010 - Wiley Online Library
The suicide inactivation mechanism of tyrosinase acting on its phenolic substrates has been
studied. Kinetic analysis of the proposed mechanism during the transition phase provides …

Mechanistic implications of variable stoichiometries of oxygen consumption during tyrosinase catalyzed oxidation of monophenols and o-diphenols

MJ Peñalver, ANP Hiner, JN Rodrı́guez-López… - … et Biophysica Acta (BBA …, 2002 - Elsevier
The stoichiometry of oxygen consumption during tyrosinase-catalyzed oxidation of an o-
diphenol (4-tert-butylcatechol, TBC) and a monophenol (4-tert-butylphenol, TBP) has been …