Activation of hematin catalase function by ethylenediamine
نویسندگان
چکیده
منابع مشابه
Cloning and heterologous expression of hematin-dependent catalase produced by Lactobacillus plantarum CNRZ 1228.
Lactobacillus plantarum CNRZ 1228 exhibited heme-dependent catalase activity under environmental conditions similar to those encountered during sausage fermentation. The 1,455-bp catalase gene (katL) was cloned and encoded a protein of 484 amino acids. Expression of katL in a heterologous host showed that katL encodes a functional catalase. PCR screening of selected strains of lactic acid bacte...
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15 صفحه اولActivation of factor XII-dependent pathways in human plasma by hematin and protoporphyrin.
Intravenous administration of hematin is effective in the treatment of acute exacerbations of the inducible porphyrias. In the course of such treatment, coagulopathies have occurred that are characterized by prolongation of prothrombin time, partial thromboplastin time, and formation of fibrin split products. In experiments in vitro with normal human plasma, we observed that hematin and protopo...
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Continuous assay of the soluble and inducible tryptophan pyrrolase (L-tryptophan : Hz02 oxidoreductase, EC 1.11.1.4) by direct spectrophotometry in the particle-free supcrnatant fraction of liver (1) would be a desirable alternative to t,he usual assay in whole liver homogenates (2) for studies of the adaptive variations of the concentration of this enzyme, but it is uncertain whether the total...
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Environmental stimuli such as UV, pathogen attack, and gravity can induce rapid changes in hydrogen peroxide (H(2)O(2)) levels, leading to a variety of physiological responses in plants. Catalase, which is involved in the degradation of H(2)O(2) into water and oxygen, is the major H(2)O(2)-scavenging enzyme in all aerobic organisms. A close interaction exists between intracellular H(2)O(2) and ...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 1974
ISSN: 0014-5793
DOI: 10.1016/0014-5793(74)80624-1