Methionine

Frae Wikipedia
Lowp tae: navigation, rake
Methionine
Identifiers
Abbreviations Met, M
CAS number 59-51-8 YesY, 63-68-3 (L-isomer) YesY, 348-67-4 (D-isomer) YesY
PubChem 876
ChemSpider 853 YesY, 5907 (L-isomer)
UNII 73JWT2K6T3 YesY
EC-nummer 200-432-1
KEGG D04983 YesY
ChEBI CHEBI:16811 YesY
ChEMBL CHEMBL42336 N
ATC code V03AB26,QA05BA90, QG04BA90
Jmol-3D images Image 1
Image 2
Properties[2]
Molecular formula C5H11NO2S
Molar mass 149.21 g mol−1
Appearance White crystalline pouder
Density 1.340 g/cm3
Meltin pynt

281 °C decomp.

Solubility in water Soluble
Acidity (pKa) 2.28 (carboxyl), 9.21 (amino)[1]
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Methionine (/mɛˈθ.ɵnn/ or /mɛˈθ.ɵnɪn/; abbreviatit as Met or M)[3] is an α-amino acid wi the chemical formula HO2CCH(NH2)CH2CH2SCH3.

References[eedit | eedit soorce]

  1. Dawson, R.M.C. (1959). Data for Biochemical Research. Oxford: Clarendon Press. 
  2. Weast, Robert C., ed. (1981). CRC Handbook of Chemistry and Physics (62nd ed.). Boca Raton, FL: CRC Press. p. C-374. ISBN 0-8493-0462-8. .
  3. "Nomenclature and symbolism for amino acids and peptides (IUPAC-IUB Recommendations 1983)", Pure Appl. Chem. 56 (5), 1984: 595–624, doi:10.1351/pac198456050595