نتایج جستجو برای: dithiothreitol

تعداد نتایج: 3478  

Journal: :The Journal of biological chemistry 1999
M Forgac

It has been previously demonstrated that the vacuolar H+-ATPase (V-ATPase) of clathrin-coated vesicles is reversibly inhibited by disulfide bond formation between conserved cysteine residues at the catalytic site on the A subunit (Feng, Y., and Forgac, M. (1994) J. Biol. Chem. 269, 13224-13230). Proton transport and ATPase activity of the purified, reconstituted V-ATPase are now shown to be inh...

Journal: :Plant physiology 1981
V Valenti P Pupillo

NAD-dependent malic enzyme (EC 1.1.1.39) was obtained from isolated mitochondria of cauliflower buds (Brassica oleracea L., var. botrytis). The NAD-linked activity is accompanied by a minor NADP-linked activity. Some contaminant NADP-malic enzyme from the supernatant and the plasma membrane is usually present in crude mitochondrial preparations. NAD-dependent malic enzyme has been purified 38-f...

Journal: :Cell calcium 2013
Michel Ronjat José Pablo Finkelstein Paola Llanos Luis Montecinos Hicham Bichraoui Michel De Waard Cecilia Hidalgo Ricardo Bull

The scorpion toxin maurocalcine acts as a high affinity agonist of the type-1 ryanodine receptor expressed in skeletal muscle. Here, we investigated the effects of the reducing agent dithiothreitol or the oxidizing reagent thimerosal on type-1 ryanodine receptor stimulation by maurocalcine. Maurocalcine addition to sarcoplasmic reticulum vesicles actively loaded with calcium elicited Ca²⁺ relea...

Journal: :Clinical Hemorheology and Microcirculation 2010

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