نتایج جستجو برای: reversible inactivation
تعداد نتایج: 100427 فیلتر نتایج به سال:
Background: The nucleus raphe magnus (NRM) is involved in thermoregulatory processing. There is a correlation between changes in the firing rates of the cells in the NRM and the application of the peripheral thermal stimulus. Introduction: we examined the effect of reversible inactivation and excitation of NRM on mechanisms involved in tail blood flow (TBF) regulation in hypothermia. Methods: H...
1. Pig heart mitochondrial malate dehydrogenase incubated with pyridoxal 5'-phosphate at pH 8.0 and 25 degrees C gradually loses activity. Such inactivation can be largely reversed by dialysis or by addition of L-lysine or L-cysteine, and can be made permanent by NaBH4 reduction. 2. Modification of malate dehydrogenase with pyridoxal 5'-phosphate at 35 degrees C involves two phases, an initial ...
The architecture of the active site of members of the protein tyrosine phosphatase (PTP) superfamily renders these enzymes sensitive to reversible oxidation and inactivation. The importance of reversible oxidation of PTP superfamily members in controlling the signal output following an extracellular stimulus is discussed.
c i’ inhibitor (Ci-INH) and a2-macroglobulin (a2M) account for over 90% of the inactivation of purified plasma kallikrein by normal human plasma. The rate of kallikrein inactivation is also dependent on the presence of high molecular weight kininogen (HMWK). which forms a reversible complex with kallikrein protecting the active site of the enzyme against inhibitors. By selectively mactivating a...
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