Myeloperoxidase precursors incorporate heme.
نویسندگان
چکیده
منابع مشابه
To incorporate or not to incorporate.
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Previous studies showed that females in the proestrus stage of the reproductive cycle maintain organ functions after trauma-hemorrhage. However, it remains unknown whether the female reproductive cycle is an important variable in the regulation of lung injury after trauma-hemorrhage and, if so, whether the effect is mediated via upregulation of heme oxygenase (HO)-1. To examine this, female Spr...
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A novel green heme protein from bovine spleen has been purified to apparent homogeneity. The visible spectrum, with unusually long wavelength absorptions due to alpha-, beta-, and gamma-porphyrin bands, the EPR g values of 6.81, 4.99, and 1.94, and the peroxidase activity are similar to those of myeloperoxidase (EC 1.11.1.7). The observed molecular mass of 57,000 daltons (established by gel per...
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OBJECTIVE CYP1A2 and NADPH-CYP450 oxidoreductase (POR) were expressed in the baculovirus/Spodoptera frugiperda (sf9) system. The aim of this study was to investigate the effects of heme precursors on the expression of CYP1A2 and POR. METHODS The heme precursors [δ-Aminolaevulinic Acid (5-ALA), Fe(3+) and hemin] were introduced into the system to evaluate their effects on the expression of CYP...
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Cyanobacteria, red algae, and cryptophytes contain phycobiliproteins which function as photosynthetic light-harvesting pigments. The chromophores of phycobiliproteins are phycobilins, open-chain tetrapyrroles that are synthesized from protoheme. The first step of phycobilin formation is the conversion of protoheme to biliverdin IX alpha in a reaction that is catalyzed by heme oxygenase. In the ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1987
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)60977-9