نتایج جستجو برای: nicotinamide adenine dinucleotide phosphate
تعداد نتایج: 125473 فیلتر نتایج به سال:
p 47 phox is 1 of the 5 subunits that makes up the multisubunit complex of the enzyme nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (Nox2), a major source of cellular reactive oxygen species (ROS).
A new type of ferredoxin was isolated from Azotobacter vinelandii cells. The protein was able to replace the native chloroplast ferredoxin in the photoreduction of nicotinamide adenine dinucleotide phosphate (NADP) and functioned as a reductant for the Azotobacter nitrogenase.
An enzyme is present in extracts of guinea pig polymorphonuclear leukocytes which can catalyze the hydrolysis of pyridine nucleotides. The enzyme is equally active toward nicotinamide adenine dinucleotide (NAD) or NAD phosphate, has an acid pH optimum, and is inhibited by either nicotinamide or isonicotinic acid hydrazide. This enzyme might be involved in the regulation of the pyridine nucleoti...
OBJECTIVE: In the present study, we investigate the existence of a temporal window of brain vulnerability in rats undergoing repeat mild traumatic brain injury (mTBI) delivered at increasing time intervals. METHODS: Rats were subjected to two diffuse mTBIs (450 g/1 m height) with the second mTBI delivered after 1 (n 6), 2 (n 6), 3 (n 6), 4 (n 6), and 5 days (n 6) and sacrificed 48 hours after t...
OBJECTIVE In the present study, we investigate the existence of a temporal window of brain vulnerability in rats undergoing repeat mild traumatic brain injury (mTBI) delivered at increasing time intervals. METHODS Rats were subjected to two diffuse mTBIs (450 g/1 m height) with the second mTBI delivered after 1 (n = 6), 2 (n = 6), 3 (n = 6), 4 (n = 6), and 5 days (n = 6) and sacrificed 48 hou...
Tryptophan pyrrolase was studied in partially purified extracts of Xanthomonas pruni. The dialyzed enzyme required both heme and ascorbate for maximal activity. Other reducing agents were able to substitute for ascorbate. Protoporphyrin competed with heme for the enzyme, suggesting that the native enzyme is a hemoprotein. The enzyme exhibited sigmoid saturation kinetics. Reduced nicotinamide ad...
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