methionine

See also: méthionine

English

Structure diagram of methionine

Etymology

From methyl +‎ thio- +‎ -n- +‎ -ine.

Pronunciation

• (UK) IPA^(key): /mɪˈθʌɪəniːn/, /mɪˈθʌɪənɪn/

• Audio (Southern England):

  (file)

• Audio (Southern England):

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• (US) IPA^(key): /mɛˈθaɪəˌniːn/, /-ˌnaɪn/

Noun

methionine (countable and uncountable, plural methionines)

2. (biochemistry, organic chemistry) A sulphur-containing amino acid, C₅H₁₁NO₂S, in L- and D-forms.
   2. (biochemistry, organic chemistry) The L-form thereof, a lipotropic molecule widely occurring in living organisms and found in most protein; in humans it is an essential amino acid.

      Alternative forms: Met, M (IUPAC symbols)

      • 1999, Matt Ridley, Genome, Harper Perennial, published 2004, page 253:

        The purpose was to make soya beans more healthy for those for whom they are a staple food by correcting soya beans' natural deficiency in a chemical called methionine.

Derived terms

• acetylmethionine
• dehydromethionine
• formyl methionine
• homomethionine
• methioninemia
• methioninol
• methioninyl
• methionyl
• selenomethionine

Translations

amino acid

• Arabic: مِيثِيُونِين m (miṯiyunīn)
• Bulgarian: метионин m (metionin)
• Catalan: metionina f
• Chinese:

  Mandarin: 蛋氨酸 (zh) (dàn'ānsuān), 甲硫氨酸 (zh) (jiǎliú'ānsuān)

• Czech: methionin m
• Dutch: methionine (nl)
• Esperanto: metionino
• Finnish: metioniini
• French: méthionine (fr) f
• German: Methionin (de)
• Greek: μεθιονίνη f (methioníni)
• Hebrew: מתיונין
• Hungarian: metionin (hu)
• Indonesian: metionina
• Italian: metionina (it) f
• Japanese: メチオニン (mechionin)
• Korean: 메티오닌 (metionin)
• Latvian: metionīns
• Lithuanian: metioninas
• Luxembourgish: Methionin
• Norwegian: metionin m
• Occitan: metionina f
• Persian: متیونین (metiyonin)
• Polish: metionina (pl) f
• Portuguese: metionina f
• Romanian: metionină (ro) f
• Russian: метиони́н (ru) m (metionín)
• Serbo-Croatian:

  Cyrillic: метионин m

  Latin: metionin (sh) m

• Slovak: metionín m
• Spanish: metionina (es) f
• Swedish: metionin (sv) c
• Turkish: metiyonin
• Ukrainian: метіонін m (metionin)

Further reading

• methionine on Wikipedia.Wikipedia