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Carbamoyl phosphate synthetase I information


carbamoyl-phosphate synthetase 1, mitochondrial
Identifiers
SymbolCPS1
NCBI gene1373
HGNC2323
OMIM608307
RefSeqNM_001875
UniProtP31327
Other data
EC number6.3.4.16
LocusChr. 2 p
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StructuresSwiss-model
DomainsInterPro

Carbamoyl phosphate synthetase I (CPS I) is a ligase enzyme located in the mitochondria involved in the production of urea. Carbamoyl phosphate synthetase I (CPS1 or CPSI) transfers an ammonia molecule to a molecule of bicarbonate that has been phosphorylated by a molecule of ATP. The resulting carbamate is then phosphorylated with another molecule of ATP. The resulting molecule of carbamoyl phosphate leaves the enzyme.

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Carbamoyl phosphate synthetase

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Carbamoyl phosphate synthetase catalyzes the ATP-dependent synthesis of carbamoyl phosphate from glutamine (EC 6.3.5.5) or ammonia (EC 6.3.4.16) and bicarbonate...

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Carbamoyl phosphate synthetase I

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Carbamoyl phosphate synthetase I (CPS I) is a ligase enzyme located in the mitochondria involved in the production of urea. Carbamoyl phosphate synthetase...

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Carbamoyl phosphate synthetase I deficiency

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Carbamoyl phosphate synthetase I deficiency (CPS I deficiency) is an autosomal recessive metabolic disorder that causes ammonia to accumulate in the blood...

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Carbamoyl phosphate

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the synthesis of pyrimidines. Its enzymatic counterpart, carbamoyl phosphate synthetase I (CPS I), interacts with a class of molecules called sirtuins,...

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Carbamoyl phosphate synthetase III

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Carbamoyl phosphate synthetase III (CPS III) is one of the three isoforms of the carbamoyl phosphate synthetase, an enzyme that catalyzes the active production...

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Carbamoyl phosphate synthase II

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Carbamoyl phosphate synthetase (glutamine-hydrolysing) (EC 6.3.5.5) is an enzyme that catalyzes the reactions that produce carbamoyl phosphate in the cytosol...

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Urea cycle

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carbamoyl phosphate synthetase I and requires the use of two ATP molecules. The carbamoyl phosphate then enters the urea cycle. Carbamoyl phosphate is...

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Hyperammonemia

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(OMIM): 237300 - hyperammonemia due to carbamoyl phosphate synthetase I deficiency (carbamoyl phosphate synthetase I) Online Mendelian Inheritance in Man...

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Carbamic acid

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of an enzyme with this activity is carbamoyl phosphate synthetase, e.g. carbamoyl phosphate synthetase I carrying out the first step of the urea cycle...

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Mitochondrial matrix

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converted into carbamoyl phosphate through the investment of two ATP molecules. This step is facilitated by carbamoyl phosphate synthetase I. The second...

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Glutamine synthetase

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to form glutamine: Glutamate + ATP + NH3 → Glutamine + ADP + phosphate Glutamine synthetase uses ammonia produced by nitrate reduction, amino acid degradation...

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Allosteric regulation

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negligible, as is the case with N-acetylglutamate's activity on carbamoyl phosphate synthetase I, for example. A non-regulatory allosteric site is any non-regulatory...

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Inborn errors of metabolism

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acidemia type 1 Urea Cycle Disorder or Urea Cycle Defects Carbamoyl phosphate synthetase I deficiency Citrullinemia type II (citrin deficiency) Disorders...

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Sodium phenylbutyrate

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deficiences in the enzymes carbamoyl phosphate synthetase I, ornithine transcarbamylase, or argininosuccinic acid synthetase. Uncontrolled, this causes...

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Citrullinemia type I

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cycle disorders, citrullinemia type I needs to be distinguished from the others: carbamoyl phosphate synthetase deficiency, argininosuccinic acid lyase...

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CAD protein

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CAD protein (carbamoyl-phosphate synthetase 2, aspartate transcarbamylase, and dihydroorotase) is a trifunctional multi-domain enzyme involved in the first...

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List of OMIM disorder codes

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Capillary malformation-arteriovenous malformation; 608354; RASA1 Carbamoyl phosphate synthetase I deficiency; 237300; CPS1 Carbohydrate-deficient glycoprotein...

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Ornithine

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into carbamoyl phosphate (H 2NC(O)OPO2− 3) by carbamoyl phosphate synthetase. Ornithine transcarbamylase catalyzes the reaction between carbamoyl phosphate...

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Pyrimidine metabolism

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process are all coded by the same gene in CAD which consists of carbamoyl phosphate synthetase II, aspartate carbamoyltransferase and dihydroorotase. Dihydroorotate...

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Ribonucleotide

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N-Carbamoylaspartate by undergoing a condensation reaction with carbamoyl phosphate. Dihydroorotase and dihydroorotase dehydrogenase then converts N-Carbamoylaspartate...

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Transferase

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a transfer is written as carbamoyl phosphate + L-aspartate → {\displaystyle \rightarrow } L-carbamoyl aspartate + phosphate. Enzymes that transfer aldehyde...

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Nucleotide

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of carbamoyl phosphate from glutamine and CO2. Next, aspartate carbamoyltransferase catalyzes a condensation reaction between aspartate and carbamoyl phosphate...

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Sirtuin 5

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lysine residues of proteins. SIRT5 deacetylases and regulates carbamoyl phosphate synthetase (CPS1), the rate-limiting and initiating step of the urea cycle...

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Carglumic acid

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used for the treatment of hyperammonaemia. Carglumic acid is a carbamoyl phosphate synthetase 1 (CPS 1) activator. The most common adverse effects include...

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RHEB

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example, RHEB is an activator for nucleotide synthesis by binding carbamoyl-phosphate synthetase 2, aspartate transcarbamylase, and dihydroorotase (CAD), an...

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Glutamine amidotransferase

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(ADC) synthase; CTP synthase; GMP synthase; glutamine-dependent carbamoyl-phosphate synthase; phosphoribosylformylglycinamidine synthase II; and the...

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Amidophosphoribosyltransferase

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homologous to other N-terminal nucleophile (Ntn) hydrolases such as carbamoyl phosphate synthetase (CPSase). Nine invariant residues among the sequences of all...

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