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  2. Nitric oxide synthase - Wikipedia

    en.wikipedia.org/wiki/Nitric_oxide_synthase

    It is the proximate cause of septic shock and may function in autoimmune disease. NOS catalyzes the reaction: [3] 2 L-arginine + 3 NADPH + 3 H + + 4 O 2 2 citrulline +2 nitric oxide + 4 H 2 O + 3 NADP + NOS isoforms catalyze other leak and side reactions, such as superoxide production at the expense of NADPH. As such, this stoichiometry is not ...

  3. Biological functions of nitric oxide - Wikipedia

    en.wikipedia.org/wiki/Biological_functions_of...

    Biological functions of nitric oxide are roles that nitric oxide plays within biology. Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O . In mammals including humans, nitric oxide is a signaling molecule involved in several physiological and pathological processes. [ 1 ]

  4. Nitric oxide - Wikipedia

    en.wikipedia.org/wiki/Nitric_oxide

    It is a bioproduct in almost all types of organisms, including bacteria, plants, fungi, and animal cells. [28] Nitric oxide, an endothelium-derived relaxing factor (EDRF), is biosynthesized endogenously from L-arginine, oxygen, and NADPH by various nitric oxide synthase (NOS) enzymes. [29] Reduction of inorganic nitrate may also make nitric ...

  5. Reactive nitrogen species - Wikipedia

    en.wikipedia.org/wiki/Reactive_Nitrogen_Species

    RNS are produced in animals starting with the reaction of nitric oxide (•NO) with superoxide (O 2 •−) to form peroxynitrite (ONOO −): [4] [5] •NO (nitric oxide) + O 2 •− (superoxide) → ONOO − (peroxynitrite) Superoxide anion (O 2 −) is a reactive oxygen species that reacts quickly with nitric oxide (NO) in the vasculature ...

  6. Nitric-oxide reductase - Wikipedia

    en.wikipedia.org/wiki/Nitric-oxide_reductase

    Nitric oxide reductase is in Class 1, therefore it is an oxidoreductases. [5] Figure 1. The Nitrogen Cycle. Nitric oxide (NO) and nitrous oxide (N 2 O) are intermediates in the denitrification of nitrate (NO 3 −) to nitrogen gas (N 2). Nitric oxide reductase reduces NO to N 2 O.

  7. NOS1 - Wikipedia

    en.wikipedia.org/wiki/NOS1

    Nitric oxide synthases (EC 1.14.13.39) (NOSs) are a family of synthases that catalyze the production of nitric oxide (NO) from L-arginine.NO is a chemical messenger with diverse functions throughout the body depending on its enzymatic source and tissue localization.

  8. Gasotransmitter - Wikipedia

    en.wikipedia.org/wiki/Gasotransmitter

    It is a known bioproduct in almost all types of organisms, ranging from bacteria to plants, fungi, and animal cells. [29] [30] NO is biosynthesized endogenously from L-arginine by various nitric oxide synthase (NOS) enzymes. Reduction of inorganic nitrate may also serve to make NO.

  9. Nitrite reductase - Wikipedia

    en.wikipedia.org/wiki/Nitrite_reductase

    Different forms of this reductase catalyze the formation of nitric oxide or nitrous oxide. [2] [3] A version of this compound was originally called [Ferrocytochrome c-551:oxidoreductase]. It was initially considered an oxidase. It catalyzes the reduction of NO 2 − to NO. This tetraheme enzyme has two subunits, each containing a c-type and a d ...