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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
additional information
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
NO is an important signalling molecule, released by numerous cells, that acts in many tissues to regulate a diverse range of physiological and biological processes, including neurotransmission, immune defence and the regulation of apoptosis. NO plays a major role in the killing of intracellular pathogens as part of the innate immune response
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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overall reaction, overview
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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regulatory mechanism, overview
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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NO from acetylsalicylic acid-activated enzyme is involved in thrombolysis, overview
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
endothelial nitric oxide synthase (eNOS) is responsible for maintaining systemic blood pressure, vascular remodeling and angiogenesis
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
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overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
the enzyme plays an important role in host defense system by catalyzing the production of nitric oxide
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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physiological functions and pathophysiology of the isoforms
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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physiological functions and pathophysiology of the isoforms
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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a cytokine-inducible, calcium independent and a constitutive, calcium dependent form
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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physiological functions and pathophysiology of the isoforms
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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acts as signal molecule for neurotransmission, vasorelaxation, and cytotoxity
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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enzyme of mammalian immune, cardiovascular and neural systems, synthesizing the free radical nitric oxide or a NO-releasing product
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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soluble cytochrome P-450 enzyme in eukaryotes
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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physiological functions and pathophysiology of the isoforms
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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acts as signal molecule for neurotransmission, vasorelaxation, and cytotoxity
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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soluble cytochrome P-450 enzyme in eukaryotes
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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mitochondrial nitric oxide production is involved in modulation of several organelle functions, such as transmembrane potential and matrix pH, inhibition of respiration by competitive inhibition with oxygen in cytochrome c oxidase, inhibition of ATP synthesis, permeability transition pore (PTP) opening, apoptosis and cell death, overview
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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2 L-arginine + 3 NADPH + 4 O2 + 3 H+
2 L-citrulline + 2 NO + 3 NADP+ + 4 H2O
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physiological functions and pathophysiology of the isoforms
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L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
nitric-oxide synthase (NOS) is required in mammals to generate nitric-oxide for regulating blood pressure, synaptic response, and immune defense
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L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
synthesis of the signaling molecule nitric oxide
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L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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L-arginine + 3 NADPH + 3 H+ + 4 O2
2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O
overall reaction
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additional information
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the enzyme is involved in a multi-turnover process that results in NO as a product, NO is important in various pathological and physiological processes, NO produced by Bacillus anthracis may also have a pivotal pathophysiological role in anthrax infection
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additional information
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the bacterial enzyme, bNOS, lacks an essential reductase domain, that supplies electrons during NO biosynthesis, and is thus limited with respect to a pool of available redox partners, but does produce NO in living cells and accomplish this task by hijacking available cellular redox partners that are not normally committed to NO production, bacterial reductase also supports NO synthesis by the oxygenase domain of mammalian NOS expressed in Escherichia coli, overview
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additional information
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the bacterial enzyme, bNOS, lacks an essential reductase domain, that supplies electrons during NO biosynthesis, and is thus limited with respect to a pool of available redox partners, but does produce NO in living cells and accomplish this task by hijacking available cellular redox partners that are not normally committed to NO production, bacterial reductase also supports NO synthesis by the oxygenase domain of mammalian NOS expressed in Escherichia coli, overview
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additional information
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enzyme shows also superoxide formation activity
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additional information
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postsynaptic density 95 proteins mediate the complex formation of neuronal nitric oxide synthase and N-methyl-D-aspartate receptors
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additional information
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dNOS participates in essential developmental and behavioral aspects of the fruit fly
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additional information
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Drosophila dNOS is a more efficient and active NO synthase than the mammalian NOS enzymes, which may allow it to function more broadly in cell signaling and immune functions in the fruit fly
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additional information
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crude, boiled or ethanolic and dried extracts of Ganoderma applanatum show antioxidant activity, inhibition of lipid peroxidation, and potent hydroxylradical scavenging activity, overview
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additional information
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NO represents the endogenous activator of soluble guanylyl cyclase
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additional information
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neuronal NO synthase may be involved in the pathogenesis of acute lung injury after smoke inhalation injury followed by bacterial instillation in the airway
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additional information
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Pseudomonas aeruginosa stimulates expression of inducible nitric oxide synthase by A-549 cells. NO may be the mediator of epithelial damage caused by Pseudomonas aeruginosa
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additional information
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calmodulin-controlled isoforms are signal generators, overview
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additional information
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cell-specific gene regulation mechanism of the endothelial isozyme in the vascular endothelium involving endothelial-specific promoter, binding sites for AP-1, high affinity Sp1-binding sites and GATA promoter sites, and several, e.g. octameric, transcriptional regulators, epigenetic regulatory mechanisms in vascular endothelial cell-specific gene expression, genetic, endothelial-specific regulation model, overview
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additional information
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genetic regulation, mechanism, eNOS expression is controlled by both histone acetylation and lysine 4 methylation of histone H3 at eNOS proximal promoter regions, overview
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additional information
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the bioavailability of substrates (L-arginine and O2) and the cofactor BH4 are important elements of enzyme activity
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additional information
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the bioavailability of substrates (L-arginine and O2) and the cofactor BH4 are important elements of enzyme activity
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additional information
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the enzyme might be involved in the infectivity and/or escaping mechanism of the parasite
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additional information
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calmodulin-controlled isoforms are signal generators, overview
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additional information
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inducible nitric-oxide synthase-derived NO contributes to the pathophysiology of intestinal inflammation in the colon
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additional information
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iNOS modulates endothelin-1-dependent release of prostacyclin and inhibition of platelet aggregation ex vivo in the mouse, overview
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additional information
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nitric-oxide synthase 2 interacts with CD74 and inhibits its cleavage by caspase during dendritic cell development
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additional information
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the enzyme exclusively performs the nitric oxide synthesis, an essential biological mediator, and of peroxynitrite, a well known cytotoxic agent involved innumerouspathophysiological processes, NOSs have the unique ability to both produce and activate peroxynitrite, overview
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additional information
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eNOS is an important negative regulator of AMP-activated protein kinase phosphorylation and intracellular H2O2 generation in endothelial cells
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additional information
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NO represents the endogenous activator of soluble guanylyl cyclase
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additional information
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NO represents the endogenous activator of soluble guanylyl cyclase
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additional information
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calmodulin-controlled isoforms are signal generators, overview
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additional information
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caveolin-1 is a prominent NOS-interacting protein in rat polymorphonuclear neutrophils
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additional information
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NO is implicated in the pathogenesis of liver cirrhosis, overview
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additional information
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eNOS uncoupling is known to be controlled by substrate/cofactor availability, and the uncoupled reactions play important roles under various physiological/pathological conditions, such as atherosclerosis and septic shock
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additional information
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increased iNOS expression due to ethanol intake is responsible for gender differences in the vascular effects elicited by chronic ethanol consumption, while ovarian hormones do not play a role, overview
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additional information
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three unique structural elements are involved in the catalytic suppression of NOS: an autoinhibitory element in the FMN binding module, a CD2A loop in the connecting subdomain, and a C-terminal extension or tail, the C-terminal tail of nNOS is a regulatory element that suppresses nNOS activities in the absence of bound calmodulin, it may help stabilize the FMN-shielded conformation by holding the FMN module up against the FNR module as required for inter-flavin electron transfer, mechanism, overview
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additional information
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NO represents the endogenous activator of soluble guanylyl cyclase
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additional information
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NO represents the endogenous activator of soluble guanylyl cyclase
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