6.3.4.5: argininosuccinate synthase
This is an abbreviated version!
For detailed information about argininosuccinate synthase, go to the full flat file.
Word Map on EC 6.3.4.5
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6.3.4.5
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ornithine
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citrullinemia
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arginase
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ammonia
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hyperammonemia
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deiminase
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transcarbamylase
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l-arginine
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pegylated
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auxotrophic
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adi-peg20
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carbamyl
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adult-onset
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coma
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argininosuccinase
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carbamoylphosphate
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carbamoyltransferase
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citrin
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tropoelastin
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urea-cycle
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consciousness
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medicine
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ureogenesis
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elastogenesis
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ornithine-urea
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elastin-derived
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jararaca
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coinduction
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bothrops
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n-acetylglutamate
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drug development
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molecular biology
- 6.3.4.5
- ornithine
- citrullinemia
- arginase
- ammonia
- hyperammonemia
- deiminase
-
transcarbamylase
- l-arginine
-
pegylated
-
auxotrophic
-
adi-peg20
-
carbamyl
-
adult-onset
- coma
- argininosuccinase
- carbamoylphosphate
-
carbamoyltransferase
-
citrin
- tropoelastin
-
urea-cycle
-
consciousness
- medicine
-
ureogenesis
-
elastogenesis
-
ornithine-urea
-
elastin-derived
- jararaca
-
coinduction
-
bothrops
- n-acetylglutamate
- drug development
- molecular biology
Reaction
Synonyms
ARGG, Arginine succinate synthetase, argininosuccinate synthase, argininosuccinate synthase 1, Argininosuccinate synthetase, Argininosuccinic acid synthetase, arininosuccinate synthetase, AS, ASS, ASS1, Citrulline--aspartate ligase, Citrulline-aspartate ligase, EAS, Elastin-binding protein, PyARG1, Synthetase, argininosuccinate, tAsS
ECTree
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Source Tissue
Source Tissue on EC 6.3.4.5 - argininosuccinate synthase
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more abundantly expressed in amastigotes than in promastigotes
Northern analyses of ass during fruiting body formation and post-harvest development reveals that expression is significantly up-regulated from developmental stage 3 on for all the tissues studied (gills, stip and cap). The expression reaches a maximum at the later stages of fruiting body growth, stages 6 and 7
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in a rat ischemia model the striatum is examined at 24, 72 and 144 h after reperfusion and compared with rats in normal conditions. At 24 h after reperfusion, the number of the nitric oxide synthase-positive neurons and the percentage of those co-expressing argininosuccinate synthetase and argininsuccinate lyase and nitric oxide synthase are significantly increased in the animals with a longer survival
Ass1 is highly expressed in mouse decidua and uterine stromal cells undergoing decidualization, and argininosuccinate lyase Asl is weakly expressed in mouse decidua and uterine stromal cells undergoing decidualization
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expression analysis is performed in bovine aortic endothelial cells (BAEC)
Northern analyses of ass during fruiting body formation and post-harvest development reveals that expression is significantly up-regulated from developmental stage 3 on for all the tissues studied (gills, stip and cap). The expression reaches a maximum at the later stages of fruiting body growth, stages 6 and 7
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increased co-expression of AS and TNF-a mRNA is observed in non-small cell lung and stomach cancer, compared with normal corresponding tissues
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pancreatic cancer cell line, low ASS expression level
argininosuccinate synthase accumulates in circulation within 1 h after treatment with both lipopolysaccharide alone and hepatotoxic combination of lipopolysaccharide and D-Galactosamine
decrease in Ass mRNA expression level during aestivation, accompanied with decreases in the concentrations of arginine and NO
Northern analyses of ass during fruiting body formation and post-harvest development reveals that expression is significantly up-regulated from developmental stage 3 on for all the tissues studied (gills, stip and cap). The expression reaches a maximum at the later stages of fruiting body growth, stages 6 and 7
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increased co-expression of AS and TNF-a mRNA is observed in non-small cell lung and stomach cancer, compared with normal corresponding tissues
Ass1 is highly expressed in mouse decidua and uterine stromal cells undergoing decidualization, and argininosuccinate lyase Asl is weakly expressed in mouse decidua and uterine stromal cells undergoing decidualization
additional information
changes in Ass and Asl mRNA expression levels during the three phases of aestivation can be related to the supply of arginine for NO synthesis
significant decrease in Ass mRNA expression level after 6 months of aestivation
strong expression of both argininosuccinate synthase and argininosuccinate lyase. mRNA expression levels of Ass and Asl increase significantly during the induction phase of aestivation
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AS mRNA increases 2- to 3fold by 24 h in both the IGROV-1 cell line, and a second ovarian cancer cell line OVCAR-3, following treatment with TNF-alpha. In contrast, although the ovarian cancer cell lines, PEO1 and SKOV-3, express AS in abundance, this is not TNF-a-inducible
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TNF-alpha induces prolonged expression of AS mRNA and protein in ovarian tumour cells, contrasting with short-lived expression of AS mRNA in the normal ovarian epithelial cells. AS mRNA is higher expressed in ovarian tumor tissue compared to normal ovarian tissue. Moreover, AS protein colocalises with TNF-alpha in ovarian cancer cells, with significantly higher levels of AS in malignant compared with normal ovarian tissue.
ASS is up-regulated within 3 h after harvest showing that the induction mechanism is very sensitive to the harvest event and emphasizes the importance of the arginine biosynthetic pathway/ornithine cycle in post-harvest physiology
additional information
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ASS is up-regulated within 3 h after harvest showing that the induction mechanism is very sensitive to the harvest event and emphasizes the importance of the arginine biosynthetic pathway/ornithine cycle in post-harvest physiology
additional information
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treatment of BAEC cells with tumor necrosis factor-alpha supresses argininosuccinate synthase expression. reporter gene analysis demonstrates that TNF-alpha suppresses the AS proximal promoter and electrophoretic mobility shift assay shows reduced binding to three essential Sp1 elements
additional information
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87% of human tumors and 5 of 7 cancer cell lines lack ASS expression, overview