Asparagine

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L-Asparagine
Skeletal formula of L-asparagine
Baw-an-stick model o the L-asparagine molecule as a zwitterion
Names
IUPAC name
Asparagine
Ither names
2-Amino-3-carbamoylpropanoic acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.669
EC Nummer 200-735-9
KEGG
UNII
Properties
C4H8N2O3
Molar mass 132.12 g·mol−1
Appearance white crystals
Density 1.543 g/cm3
Meltin pynt 234 °C (453 °F; 507 K)
Bylin pynt 438 °C (820 °F; 711 K)
2.94 g/100 mL
Solubility soluble in acids, bases, negligible in methanol, ethanol, ether, benzene
log P −3.82
Acidity (pKa) 2.02 (carboxyl), 8.80 (amino)[1]
Magnetic susceptibility -69.5·10−6 cm3/mol
Structur
orthorhomic
Thermochemistry
Std enthalpy o
formation
ΔfHo298
−789.4 kJ/mol
Hazards
Safety data sheet Sigma-Alrich
NFPA 704
Flammability code 0: Will nae burn. E.g., watterHealth code 1: Exposur would cause irritation but anly minor residual injury. E.g., turpentineReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
0
1
0
Flash pynt 219 °C (426 °F; 492 K)
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Asparagine (seembol Asn or N[2]), encodit bi the codons AAU an AAC,[3] is an α-amino acid that is uised in the biosynthesis o proteins.

References[eedit | eedit soorce]

  1. R. M. C. Dawson; Daphne Elliott; W. H. Elliott; K. M. Jones. Clarendon, eds. (1959). Data for Biochemical Research. Oxford: Clarendon Press. OCLC 644267041. 
  2. "Nomenclature and Symbolism for Amino Acids and Peptides". IUPAC-IUB Joint Commission on Biochemical Nomenclature. 1983. Archived frae the oreeginal on 9 October 2008. Retrieved 5 Mairch 2018. 
  3. "Nomenclature and symbolism for amino acids and peptides (IUPAC-IUB Recommendations 1983)", Pure Appl. Chem., 56 (5): 595–624, 1984, doi:10.1351/pac198456050595