The Twenty

Atlas/Met

M

Methionine

Met

HydrophobicEssentialHydrophobic131 Da

Thioether (–CH₂–CH₂–S–CH₃)

  • Encoded by the start codon AUG, so it begins most nascent polypeptides.
  • Contains sulfur but does not form disulfide bonds.

Mastery: unseen

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Structure of Methionine
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