Latest papers

Oxidative stress induces impairment of human erythrocyte energy metabolism through the oxygen radical-mediated direct activation of AMP-deaminase.

Canatoxin, a toxic protein from jack beans (Canavalia ensiformis), is a variant form of urease (EC 3.5.1.5): biological effects of urease independent of its ureolytic activity.

The site of production of superoxide radical in mitochondrial Complex I is not a bound ubisemiquinone but presumably iron-sulfur cluster N2.

Intracellular signaling pathways involved in acetaldehyde-induced collagen and fibronectin gene expression in human hepatic stellate cells

Conformation and polarity of the active site of xylanase I from Thermomonospora sp. as deduced by fluorescent chemoaffinity labeling. Site and significance of a histidine residue.

Screening, overexpression and characterization of an N-acylamino acid racemase from Amycolatopsis orientalis subsp. lurida.

Regulation of Chicken Gizzard Ecto-ATPase Activity by Modulators That Affect Its Oligomerization Status

Antinociceptive effect produced by intracerebroventricularly administered dynorphin A is potentiated by p-hydroxymercuribenzoate or phosphoramidon in the mouse formalin test.

Guanine nucleotide transport by atractyloside-sensitive and -insensitive carriers in isolated heart mitochondria.

Conformational change of dihydrofolate reductase near the active site after thiol modification: detected by limited proteolysis.

The conserved RING-H2 finger of ROC1 is required for ubiquitin ligation.

Expression of nonspecific esterase (NSE) by thyroid follicular epithelium as a marker for the target organ susceptibility to immune system attack.

Interactions between ascorbyl free radical and coenzyme Q at the plasma membrane.

In vivo evidence that L-S-nitrosocysteine may exert its vasodilator effects by interaction with thiol residues in the vasculature.

Chemical modification of xylanase from Trichosporon cutaneum shows the presence of carboxyl groups and cysteine residues essential for enzyme activity.

Phenylarsine oxide inhibits phosphate uptake in human ciliary non-pigmented epithelial cells.

Identification of the reactive cysteine residue (Cys227) in human carbonyl reductase.

Mechanism of biochemical action of substituted 4-methylbenzopyran-2-ones. Part 4: hyperbolic activation of rat liver microsomal NADPH-cytochrome C reductase by the novel acetylator 7,8-diacetoxy-4-methylcoumarin.

Activation of dihydrofolate reductase following thiol modification involves a conformational change at the active site.

Intrathecal administration of p-hydroxymercuribenzoate or phosphoramidon/bestatin-combined induces antinociceptive effects through different opioid mechanisms.