| http://dbpedia.org/ontology/abstract
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Glutamátsyntáza je obecné označení pro enz … Glutamátsyntáza je obecné označení pro enzym, který katalyzuje přeměnu na glutamát za spotřeby amonného iontu (NH4+) z glutaminu a z NADPH, feredoxinu nebo NADH. V lidském těle se glutamátsyntáza nevyskytuje – mají ji mikroorganismy, rostliny a někteří nižší živočichové.smy, rostliny a někteří nižší živočichové.
, Глутамин-2-оксоглутаратаминотрансфераза ил … Глутамин-2-оксоглутаратаминотрансфераза или глутаматсинтаза (GOGAT, ГОГАТ) — фермент, катализирующий реакцию образования глутаминовой кислоты из глутамина и α-кетоглутарата. Вместе с (GS) играет центральную роль в ассимиляции азота фотосинтезирующими эукариотами и прокариотами, хотя встречается и у хемотрофных бактерий. Особо значима во многих морских экосистемах, где первичная продукция определяется доступностью неорганических соединений азота. В качестве источника неорганического азота морские водоросли используют ионы нитрата и аммония. Оба соединения включаются в состав аминокислот в результате последовательной работы глутаминсинтетазы и глутаматсинтазы. Изоэнзимы GOGAT катализируют перенос амидного азота с глутамина на α-кетоглутарат (2-оксоглутарат), используя в качестве восстановителей NADH/NADPH или ферредоксин. У фотосинтезирующих эукариот изоэнзимы GS и GOGAT работают в цитоплазме и строме хлоропласта.аботают в цитоплазме и строме хлоропласта.
, Glutamato sintase (também conhecida como g … Glutamato sintase (também conhecida como glutamina oxoglutarato aminotransferase) é uma enzima e frequentemente abreviada na literatura científica como GOGAT. Esta enzima produz glutamato a partir de glutamina e α-cetoglutarato, e assim juntamente com a (abreviada GS) desempenha um papel central na regulação da assimilação de nitrogênio em eucariontes e procariontes fotossintetizantes. Isso é de grande importância, pois a produtividade primária em muitos ambientes marinhos é regulada pela disponibilidade de nitrogênio inorgânico. As principais fontes de nitrogênio inorgânico usadas pelas algas marinhas são nitrato e amônio. Ambas as formas são finalmente incorporadas aos aminoácidos através da reação sequencial de glutamina sintetase (GS) e glutamato sintase (glutamina:2-oxoglutarato aminotransferase; GOGAT). A isoenzima GOGAT catalisa a transferência do nitrogênio amida de glutamina para 2-oxoglutarato usando nucleotídeos de piridina (NADH-/dependente de NADPH) ou ferredoxina (dependente de ferredoxina) como redutores. São chamados e respectivamente. Em eucariotos fotossintetizantes, isoenzimas GS e GOGAT são localizadas no citosol e cloroplasto. Fd-GOGAT encontra-se estritamente em cianobactérias e eucariotos fotossintetizantes, e o gene está localizado no cloroplasto de rodófitas e no núcleo das plantas vasculares, mas em ambos os casos seu produto é ativo no cloroplasto. NADH-GOGAT é encontrado no núcleo de plantas vasculares, fungos e diatomáceas, enquanto NADPH-GOGAT é encontrado em bactérias não fotossintetizantes e archaea.actérias não fotossintetizantes e archaea.
, Glutamate synthase (also known as Glutamin … Glutamate synthase (also known as Glutamine oxoglutarate aminotransferase) is an enzyme and frequently abbreviated as GOGAT. This enzyme manufactures glutamate from glutamine and α-ketoglutarate, and thus along with glutamine synthetase (abbreviated GS) plays a central role in the regulation of nitrogen assimilation in photosynthetic eukaryotes and prokaryotes. This is of great importance as primary productivity in many marine environments is regulated by the availability of inorganic nitrogen. The primary sources of inorganic nitrogen used by marine algae are nitrate and ammonium. Both forms are ultimately incorporated into amino acids through the sequential reaction of glutamine synthetase (GS) and glutamate synthase (glutamine:2-oxoglutarate aminotransferase; GOGAT). GOGAT isoenzymes catalyze the transfer of the amido nitrogen of glutamine to 2-oxoglutarate using pyridine nucleotides (NADH-/NADPH-dependent) or ferredoxin (ferredoxin dependent) as reductants. They are called NADH-GOGAT and Fd-GOGAT respectively. In photosynthetic eukaryotes, GS and GOGAT isoenzymes are localized in the cytosol and chloroplast. Fd-GOGAT is found strictly in cyanobacteria and photosynthetic eukaryotes, and the gene is located in the chloroplast of rhodophytes and in the nucleus of vascular plants, but in both cases its product is active in the chloroplast. NADH-GOGAT is found in the nucleus of vascular plants, fungi, and diatoms, while NADPH-GOGAT is found in non-photosynthetic bacteria and archaea.n non-photosynthetic bacteria and archaea.
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, http://dbpedia.org/resource/Nitrate +
, http://dbpedia.org/resource/Ferredoxin +
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, http://dbpedia.org/resource/Glutamate +
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, http://dbpedia.org/resource/Category:Enzymes +
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| rdfs:comment |
Глутамин-2-оксоглутаратаминотрансфераза ил … Глутамин-2-оксоглутаратаминотрансфераза или глутаматсинтаза (GOGAT, ГОГАТ) — фермент, катализирующий реакцию образования глутаминовой кислоты из глутамина и α-кетоглутарата. Вместе с (GS) играет центральную роль в ассимиляции азота фотосинтезирующими эукариотами и прокариотами, хотя встречается и у хемотрофных бактерий. Особо значима во многих морских экосистемах, где первичная продукция определяется доступностью неорганических соединений азота.тупностью неорганических соединений азота.
, Glutamato sintase (também conhecida como g … Glutamato sintase (também conhecida como glutamina oxoglutarato aminotransferase) é uma enzima e frequentemente abreviada na literatura científica como GOGAT. Esta enzima produz glutamato a partir de glutamina e α-cetoglutarato, e assim juntamente com a (abreviada GS) desempenha um papel central na regulação da assimilação de nitrogênio em eucariontes e procariontes fotossintetizantes. Isso é de grande importância, pois a produtividade primária em muitos ambientes marinhos é regulada pela disponibilidade de nitrogênio inorgânico. disponibilidade de nitrogênio inorgânico.
, Glutamátsyntáza je obecné označení pro enz … Glutamátsyntáza je obecné označení pro enzym, který katalyzuje přeměnu na glutamát za spotřeby amonného iontu (NH4+) z glutaminu a z NADPH, feredoxinu nebo NADH. V lidském těle se glutamátsyntáza nevyskytuje – mají ji mikroorganismy, rostliny a někteří nižší živočichové.smy, rostliny a někteří nižší živočichové.
, Glutamate synthase (also known as Glutamin … Glutamate synthase (also known as Glutamine oxoglutarate aminotransferase) is an enzyme and frequently abbreviated as GOGAT. This enzyme manufactures glutamate from glutamine and α-ketoglutarate, and thus along with glutamine synthetase (abbreviated GS) plays a central role in the regulation of nitrogen assimilation in photosynthetic eukaryotes and prokaryotes. This is of great importance as primary productivity in many marine environments is regulated by the availability of inorganic nitrogen.by the availability of inorganic nitrogen.
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| rdfs:label |
Glutamate synthase
, Глутамин-2-оксоглутаратаминотрансфераза
, Glutamátsyntáza
, Glutamato sintase
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