Methionine

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Methionine
Methionin - Methionine.svg
Baw-an-stick model o the L-isomer
Names
IUPAC name
Methionine
Ither names
2-amino-4-(methylthio)butanoic acid
Identifiers
59-51-8 YesY
63-68-3 (L-isomer) YesY
348-67-4 (D-isomer) YesY
Abbreviations Met, M
ATC code
ChEBI CHEBI:16811 YesY
ChEMBL ChEMBL42336 N
ChemSpider 853 YesY
5907 (L-isomer)
EC-nummer [1]
Jmol-3D images Image
Image
KEGG D04983 YesY
PubChem
UNII 73JWT2K6T3 YesY
Properties[2]
C5H11NO2S
Molar mass 149.21 g·mol−1
Appearance White crystalline pouder
Density 1.340 g/cm3
Meltin pynt 281 °C decomp.
Soluble
Acidity (pKa) 2.28 (carboxyl), 9.21 (amino)[1]
Except whaur otherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YesYN ?)
Infobox references

Methionine (/mɛˈθ.nn/ or /mɛˈθ.nɪn/; 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.; et al. (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