Cysteine Oxygenase
نویسندگان
چکیده
منابع مشابه
Cysteine-independent activation/inhibition of heme oxygenase-2
Reactive thiols of cysteine (cys) residues in proteins play a key role in transforming chemical reactivity into a biological response. The heme oxygenase-2 (HO-2) isozyme contains two cys residues that have been implicated in binding of heme and also the regulation of its activity. In this paper, we address the question of a role for cys residues for the HO-2 inhibitors or activators designed i...
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Aldehyde deformylating oxygenase (AD) is a key enzyme for alkane biosynthesis in cyanobacteria, and it can be used as a catalyst for alkane production in vitro and in vivo. However, three free Cys residues in AD may impair its catalytic activity by undesired disulfide bond formation and oxidation. To develop Cys-deficient mutants of AD, we examined the roles of the Cys residues in the structure...
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Alkylation and oxidation of cysteine residues significantly decrease the catalytic activity and stimulate the degradation of ribulose 1,5-bisphosphate carboxylase/oxygenase (RuBisCO). We analyzed the role of vicinal cysteine residues in redox regulation of RuBisCO from Synechocystis sp. strain PCC 6803. Cys172 and Cys192, which are adjacent to the catalytic site, and Cys247, which cross-links t...
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Analysis of known sulfur oxygenase-reductases (SORs) and the SOR-like sequences identified from public databases indicated that they all possess three cysteine residues within two conserved motifs (V-G-P-K-V-C(31) and C(101)-X-X-C(104); numbering according to the Acidianus tengchongensis numbering system). The thio-modifying reagent N-ethylmaleimide and Zn(2+) strongly inhibited the activities ...
متن کامل[Carotinoid oxygenase in Chlorella].
Läßt man in dem Gefäßpaar nur ein Gas entste hen, z. B. Kohlensäure, indem man aus den Birnen Säure in Bicarbonat einkippt, so muß der Versuch Xq2 = 0 ergeben; läßt man nur Sauerstoff entstehen, indem man aus den Birnen z. B. Katalase in Wasser stoffperoxyd einkippt, so muß der Versuch xco2 = 0 ergeben. Mit diesen beiden einfachen Kontrollen, bei denen immer die Einkippdrucke abzuziehen sind,...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1969
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)91825-9