نتایج جستجو برای: phosphatase activity
تعداد نتایج: 1165711 فیلتر نتایج به سال:
By use of the autophosphorylated epidermal-growth-factor receptor and the synthetic peptide RRLIE-DAEY(P)AARG, representing an autophosphorylation site of the transforming protein of Rous-sarcoma virus, it is demonstrated that the phosphotyrosyl phosphatase activity of the polycation-stimulated phosphatases is substantially increased by an enzyme-directed effect of ATP or PPi. Concomitant with ...
To determine whether decreased alkaline phosphatase activity in the granules from neutrophils of patients with chronic myelogenous leukemia (CML) was due to an absence of enzyme or the production of defective enzyme, we compared the immunologic properties of granule alkaline phosphatase derived from patients with CML with that of normal subjects and patients with polycythemia vera (PRV). Antise...
The presence of a nonspecific acid phosphatase which had high activity with 3-phosphoglycerate as substrate has recently been reported in Spinacia oleracea L. chloroplasts (Mulligan, Tolbert 1980 Plant Physiol 66: 1169-1173). The subcellular localization of this activity has been reinvestigated by differential centrifugation of spinach leaf homogenates. The fraction sedimenting at 1,200g compri...
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