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Asparagine synthetase (or aspartate-ammonia ligase) is a chiefly cytoplasmic enzyme that generates asparagine from aspartate. [1] This amidation reaction is similar to that promoted by glutamine synthetase. The enzyme is ubiquitous in its distribution in mammalian organs, but basal expression is relatively low in tissues other than the exocrine ...
Asparagine (symbol Asn or N [2]) is an α-amino acid that is used in the biosynthesis of proteins.It contains an α-amino group (which is in the protonated −NH + 3 form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO − form under biological conditions), and a side chain carboxamide, classifying it as a polar (at physiological pH), aliphatic ...
Asparagine synthase (glutamine-hydrolysing) (EC 6.3.5.4, asparagine synthetase (glutamine-hydrolysing), glutamine-dependent asparagine synthetase, asparagine synthetase B, AS, AS-B) is an enzyme with systematic name L-aspartate:L-glutamine amido-ligase (AMP-forming).
In the asparagine synthetase reaction, ATP is used to activate aspartate, forming β-aspartyl-AMP. Glutamine donates an ammonium group, which reacts with β-aspartyl-AMP to form asparagine and free AMP. The biosynthesis of aspartate and asparagine from oxaloacetate. Two asparagine synthetases are found in bacteria.
By adding asparaginase before baking or frying the food, asparagine is converted into another common amino acid, aspartic acid, and ammonium. As a result, asparagine cannot take part in the Maillard reaction, and therefore the formation of acrylamide is significantly reduced.
Argininosuccinate synthase or synthetase (ASS; EC 6.3.4.5) is an enzyme that catalyzes the synthesis of argininosuccinate from citrulline and aspartate. In humans, argininosuccinate synthase is encoded by the ASS gene located on chromosome 9. ASS is responsible for the third step of the urea cycle and one of the reactions of the citrulline-NO ...
Jessica DeCristofaro was diagnosed with stage 4B Hodgkin’s lymphoma, a rare form of cancer, at 28 years old. Here, she shares her story and what doctors missed.
66514 Ensembl ENSG00000162174 ENSMUSG00000024654 UniProt Q7L266 Q8C0M9 RefSeq (mRNA) NM_001083926 NM_025080 NM_025610 RefSeq (protein) NP_001077395 NP_079356 NP_079886 Location (UCSC) Chr 11: 62.34 – 62.39 Mb Chr 19: 9.09 – 9.11 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse L-asparaginase is an enzyme that in humans is encoded by the ASRGL1 gene. Function The ASRGL1 protein ...