The Journal of biological chemistry, 259(3), 1607-1615 (1984-02-10)
Dopamine beta-hydroxylase was incubated with p-hydroxybenzyl cyanide, ascorbate, and O2 and the products of the hydroxylation reaction were monitored by high performance liquid chromatography. At early times, p-hydroxymandelonitrile was the sole product but this compound slowly decomposed to p-hydroxybenzaldehyde and
The Biochemical journal, 333 ( Pt 3), 685-691 (1998-07-25)
When 3,4-dihydroxybenzylcyanide (DBC) is oxidized by mushroom tyrosinase, the first visible product, identified as the corresponding quinomethane, exhibits an absorption maximum at 480 nm. Pulse-radiolysis experiments, in which the o-quinone is formed by disproportionation of semiquinone radicals generated by single-electron
Journal of biochemical and biophysical methods, 43(1-3), 157-174 (2000-06-28)
In the present study analytical and preparative supercritical fluid chromatography (SFC) were used for investigation of myrosinase catalysed degradation of 4-hydroxybenzylglucosinolate (sinalbin). Sinalbin occurs as a major glucosinolate in seeds of Sinapis alba L., in various mustards and other food
The Journal of biological chemistry, 255(19), 8987-8990 (1980-10-10)
Dopamine beta-hydroxylase (EC 1.14.17.1) is inactivated by p-hydroxybenzylcyanide (PHBC) in a manner characteristic of a suicide substrate. The inactivation 1) is first order in inhibitor (Kd = 1.9 mM, k2 = 0.05 min-1, pH 5.0), 2) exhibits saturation kinetics, and
Canadian journal of microbiology, 44(6), 554-564 (1998-09-12)
Defined insertion mutations have been constructed in the Rhizobium (Sinorhizobium) meliloti phbC gene, which encodes poly-beta-hydroxybutyrate (PHB) synthase. The locus was isolated and subcloned from a genomic library of R. meliloti Rm1021 by complementation of phbC mutation of Alcaligenes eutrophus.
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