نتایج جستجو برای: b5

تعداد نتایج: 2878  

Journal: :Journal of virology 2006
Beatriz Perdiguero Rafael Blasco

The extracellular form of vaccinia virus acquires its outer envelope by wrapping with cytoplasmic membranes that contain at least seven virus-encoded proteins, of which four are glycoproteins. We searched for interactions between the vaccinia virus A33 glycoprotein and proteins A34, A36, B5, F12, and F13. First, when myc epitope-tagged A33 was expressed in combination with other envelope protei...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1999
H Zhu H Qiu H W Yoon S Huang H F Bunn

Cytochrome b-type NAD(P)H oxidoreductases are involved in many physiological processes, including iron uptake in yeast, the respiratory burst, and perhaps oxygen sensing in mammals. We have identified a cytosolic cytochrome b-type NAD(P)H oxidoreductase in mammals, a flavohemoprotein (b5+b5R) containing cytochrome b5 (b5) and b5 reductase (b5R) domains. A genetic approach, using BLAST searches ...

Journal: :Plant physiology 1999
M Fukuchi-Mizutani M Mizutani Y Tanaka T Kusumi D Ohta

AtCBR, a cDNA encoding NADH-cytochrome (Cyt) b5 reductase, and AtB5-A and AtB5-B, two cDNAs encoding Cyt b5, were isolated from Arabidopsis. The primary structure deduced from the AtCBR cDNA was 40% identical to those of the NADH-Cyt b5 reductases of yeast and mammals. A recombinant AtCBR protein prepared using a baculovirus system exhibited typical spectral properties of NADH-Cyt b5 reductase ...

Journal: :The Journal of pharmacology and experimental therapeutics 2004
Joseph R Kurian Sunil U Bajad Jackie L Miller Nathaniel A Chin Lauren A Trepanier

Hydroxylamine metabolites, implicated in dose-dependent and idiosyncratic toxicity from arylamine drugs, and amidoximes, used as pro-drugs, are metabolized by an as yet incompletely characterized NADH-dependent microsomal reductase system. We hypothesized that NADH cytochrome b5 reductase and cytochrome b5 were responsible for this enzymatic activity in humans. Purified human soluble NADH cytoc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده دامپزشکی 1391

در اردیبهشت 1390 تعداد 25 راس میش دنبه دار ایرانی به ظاهر سالم با وزن تقریبی 5/1±25 کیلوگرم انتخاب شدند. چهار هفته پیش از آغاز پژوهش، تمامی گوسفندان توسط آلبندازول (15 میلی گرم/کیلوگرم، خوراکی) و آیورمکتین (2/0 میلی گرم/کیلوگرم، زیرپوستی) مورد درمان ضدانگلی قرار گرفتند. در ادامه، میش ها به 5 گروه مساوی (5 میش در هر گروه) شامل انسولین 5/1، انسولین 3، فلونیکسین، دگزامتازون و کنترل تقسیم شدند. لیپ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1987
P P Tamburini J B Schenkman

A covalent complex between rabbit hepatic microsomal cytochromes P-450 isozyme 2 (LM2) and b5 was created and purified to greater than 95% homogeneity. The purified complex was largely comprised of the two cytochromes covalently attached at the interface of the functional electron transfer-effector complex as shown by the following evidence. The spin state of the LM2 within the complex was grea...

Journal: :Horticulturae 2023

Micropropagation is an effective way to preserve the gene pool of threatened plants. This study devoted mathematical modeling nutrient media and effect mT (meta-topoline) on multiplication shoots Hedysarum grandiflorum, Hyssopus cretaceus, Matthiola fragrans in vitro comparison with benzylaminopurine (BAP) kinetin (KT). Initiation was performed MS medium 0.5 mg/L BAP. For multiplication, MS, B5...

Journal: :The Journal of biological chemistry 1975
M J Rogers P Strittmatter

Incubation of liposomes prepared by sonication of egg lecithin with the amphipathic form of cytochrome b5 results in the binding of a maximum of 244 molecules of cytochrome b5 per liposomal vesicle. Interactions of the phospholipid with the hydrophobic segment of cytochrome b5 are involved in this binding which does not disrupt the liposome. When a small amount of NADH-cytochrome b5 reductase i...

Journal: :The Biochemical journal 1988
M Tamura T Yubisui M Takeshita

The effects of bivalent cations on cytochrome b5 reduction by NADH:cytochrome b5 reductase and NADPH:cytochrome c reductase were studied with the proteinase-solubilized enzymes. Cytochrome b5 reduction by NADH:cytochrome b5 reductase was strongly inhibited by CaCl2 or MgCl2. When 1.2 microM-cytochrome b5 was used, the concentrations of CaCl2 and MgCl2 required for 50% inhibition (I50) were 8 an...

2015
Meng Zhang Stéphanie V. Le Clair Rui Huang Shivani Ahuja Sang-Choul Im Lucy Waskell Ayyalusamy Ramamoorthy

Mammalian cytochrome b5 (cyt b5) is a membrane-bound protein capable of donating an electron to cytochrome P450 (P450) in the P450 catalytic cycle. The interaction between cyt b5 and P450 has been reported to be affected by the substrates of P450; however, the mechanism of substrate modulation on the cyt b5-P450 complex formation is still unknown. In this study, the complexes between full-lengt...

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