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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 ...
Chemical formula: C 4 H 8 N 2 O 3 Molar mass: 132.118 g·mol −1 Systematic name: (2S)-2-amino-3-carbamoyl-propanoic acid Abbreviations: N, Asn Synonyms: (S)-2-aminosuccinic acid 4-amide {α/2}-aminosuccinamic acid Agedoite Altheine Asparagine acid Asparamide Asparatamine Aspartamic acid Aspartamine Aspartic acid β-amide Aspartic acid amide ...
Potassium asparaginate is a potassium salt of L-asparagine amino acid. [2] [3] [4] [5]Potassium asparaginate can be considered both a salt and a coordination complex. [6] [3] As a salt, potassium asparaginate is formed when the potassium ion (K +) replaces the hydrogen ion (H +) in the carboxyl group of L-asparagine, an amino acid; in this process, the carboxyl group (–COOH) in L-asparagine ...
Escherichia coli derived asparagine synthetase is a dimeric protein with each subunit folding into two distinct domains. [4] The N-terminal region consists of two layers of six-stranded antiparallel β-sheets between which is the active site responsible for the hydrolysis of glutamine. [4]
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.
In enzymology, an aspartate—ammonia ligase (EC 6.3.1.1) is an enzyme that catalyzes the chemical reaction. ATP + L-aspartate + NH 3 AMP + diphosphate + L-asparagine. The 3 substrates of this enzyme are ATP, L-aspartate, and NH 3, whereas its 3 products are AMP, diphosphate, and L-asparagine.
[1] [2] It consists of four or five amino acid residues with either aspartate or asparagine as the first residue (residue i). It is defined by two internal hydrogen bonds . One is between the side chain oxygen of residue i and the main chain NH of residue i+2 or i+3; the other is between the main chain oxygen of residue i and the main chain NH ...
The different types of lipid-linked oligosaccharide (LLO) precursor produced in different organisms.. N-linked glycosylation is the attachment of an oligosaccharide, a carbohydrate consisting of several sugar molecules, sometimes also referred to as glycan, to a nitrogen atom (the amide nitrogen of an asparagine (Asn) residue of a protein), in a process called N-glycosylation, studied in ...