Aspartic acid
Aspartic acid (abbreviatit as Asp or D; encodit bi the codons [GAU an GAC]), kent as aspartate an aw, is an α-amino acid that is uised in the biosynthesis o proteins. It conteens an α-amino group (which is in the protonated −NH+
3 form unner biological condeetions), an α-carboxylic acid group (which is in the deprotonatit −COO− form unner biological condeetions), an a side chain CH2COOH. Unner physiological condeetions in proteins the sidechain uisually occurs as the negatively chairged aspartate form, −COO−. It is semi-essential in humans, meanin the bouk can seenthesize it frae oxaloacetate.
Names | |
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IUPAC names Trivial: Aspartic acid Systematic: 2-Aminobutanedioic acid | |
Ither names Aminosuccinic acid, asparagic acid, asparaginic acid[1] | |
Identifiers | |
CAS Nummer | |
3D model (JSmol) | |
ChEBI | |
ChEMBL | |
ChemSpider | |
EC Nummer | 200-291-6 |
KEGG | |
PubChem CID | |
UNII | |
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SMILES
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Properties | |
C4H7NO4 | |
Molar mass | 133.10 g·mol−1 |
Appearance | colourless crystals |
Density | 1.7 g/cm3 |
Meltin pynt | 270 °C (518 °F; 543 K) |
Bylin pynt | 324 °C (615 °F; 597 K) (decompones) |
Solubility in watter | 4.5 g/L[2] |
Acidity (pKa) | 3.9 |
Hazards | |
NFPA 704 | 1 1 0 |
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa). | |
verify (whit is ?) | |
Infobox references | |
References
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